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Summary Of Preliminary Assets And Liability Acquired

Summary of Assets Acquired and Liabilities Assumed

The total purchase price was allocated as follows:



	At April 2, 2018
Total current assets	$	786
Property, plant and equipment	1,332
Other non-current assets	15
Goodwill⁽¹⁾	366
Intangible assets	222
Total assets	2,721

Total current liabilities	110
Long-term debt, less current maturities	1,527
Other non-current liabilities	2
Total liabilities	1,639

Noncontrolling interest	832

Total consideration	250
Cash received⁽²⁾	711
Total consideration, net of cash received⁽²⁾	$	(461	)


⁽¹⁾	None of the goodwill is expected to be deductible for tax purposes. Goodwill recognized from the business combination primarily relates to the value attributed to additional growth opportunities, synergies and operating leverage within USAC’s operations.


⁽²⁾	Cash received represents cash and cash equivalents held by USAC as of the acquisition date.

PennTex Acquisition [Member]

Summary Of Preliminary Assets And Liability Acquired

The total purchase price was allocated as follows:



	At November 1, 2016
Total current assets	$	34
Property, plant and equipment	393
Goodwill⁽¹⁾	177
Intangible assets	446
	1,050

Total current liabilities	6
Long-term debt, less current maturities	164
Other non-current liabilities	17
Noncontrolling interest	236
	423
Total consideration	627
Cash received	21
Total consideration, net of cash received	$	606


⁽¹⁾	None of the goodwill is expected to be deductible for tax purposes.

The fair values of the assets acquired and liabilities assumed were determined using various valuation techniques, including the income and market approaches.

Advances to and Investments in Unconsolidated Affiliates (Tables)

12 Months Ended

Dec. 31, 2018

Investments in and Advances to Affiliates, Schedule of Investments [Abstract]

Investments in and Advances to Affiliates [Table Text Block]

The carrying values of the Partnership’s advances to and investments in unconsolidated affiliates as of December 31, 2018 and 2017 were as follows:



	December 31,
	2018		2017
Citrus	$	1,737	$	1,754
FEP	107		121
MEP	225		242
HPC	—		28
Others	567		553
Total	$	2,636	$	2,698

The following table presents equity in earnings (losses) of unconsolidated affiliates:



	Years Ended December 31,
	2018		2017			2016
Citrus	$	141	$	144		$	102
FEP	55		53			51
MEP	31		38			40
HPC ⁽¹⁾	3		(168		)	31
Other	114		77			46
Total equity in earnings of unconsolidated affiliates	$	344	$	144		$	270


⁽¹⁾	For the year ended December 31, 2017, equity in earnings (losses) of unconsolidated affiliates includes the impact of non-cash impairments recorded by HPC, which reduced the Partnership’s equity in earnings by $185 million.

Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]

Summarized Financial Information



	December 31,
	2018 ⁽¹⁾		2017
Current assets	$	212	$	206
Property, plant and equipment, net	7,800		8,437
Other assets	39		43
Total assets	$	8,051	$	8,686

Current liabilities	$	1,534	$	861
Non-current liabilities	3,439		4,492
Equity	3,078		3,333
Total liabilities and equity	$	8,051	$	8,686



	Years Ended December 31,
	2018 ⁽¹⁾		2017		2016
Revenue	$	1,249	$	1,358	$	1,164
Operating income	723		407		714
Net income	460		145		384


⁽¹⁾	Selected balance sheet data as of December 31, 2018 does not include HPC and selected income data related to HPC for the year ended December 31, 2018 reflects HPC’s results for January 1, 2018 through March 31, 2018. HPC was fully consolidated beginning April 1, 2018 as discussed above.

In addition to the equity method investments described above we have other equity method investments which are not significant to our consolidated financial statements.

Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2018

Debt Obligations [Abstract]

Debt instruments

Our debt obligations consist of the following:



	December 31,
	2018		2017
ETO Debt
2.50% Senior Notes due June 15, 2018	$	—	$	650
6.70% Senior Notes due July 1, 2018	—		600
9.70% Senior Notes due March 15, 2019 (1)	400		400
9.00% Senior Notes due April 15, 2019 (1)	450		450
5.50% Senior Notes due February 15, 2020	250		250
5.75% Senior Notes due September 1, 2020	400		400
4.15% Senior Notes due October 1, 2020	1,050		1,050
4.40% Senior Notes due April 1, 2021	600		600
4.65% Senior Notes due June 1, 2021	800		800
5.20% Senior Notes due February 1, 2022	1,000		1,000
4.65% Senior Notes due February 15, 2022	300		300
5.875% Senior Notes due March 1, 2022	900		900
5.00% Senior Notes due October 1, 2022	700		700
3.45% Senior Notes due January 15, 2023	350		350
3.60% Senior Notes due February 1, 2023	800		800
4.20% Senior Notes due September 15, 2023	500		—
4.50% Senior Notes due November 1, 2023	600		600
4.90% Senior Notes due February 1, 2024	350		350
7.60% Senior Notes due February 1, 2024	277		277
4.25% Senior Notes due April 1, 2024	500		500
9.00% Debentures due November 1, 2024	65		65
4.05% Senior Notes due March 15, 2025	1,000		1,000
5.95% Senior Notes due December 1, 2025	400		400
4.75% Senior Notes due January 15, 2026	1,000		1,000
3.90% Senior Notes due July 15, 2026	550		550
4.20% Senior Notes due April 15, 2027	600		600
4.00% Senior Notes due October 1, 2027	750		750
4.95% Senior Notes due June 15, 2028	1,000		—
8.25% Senior Notes due November 15, 2029	267		267
4.90% Senior Notes due March 15, 2035	500		500
6.625% Senior Notes due October 15, 2036	400		400
5.80% Senior Notes due June 15, 2038	500		—
7.50% Senior Notes due July 1, 2038	550		550
6.85% Senior Notes due February 15, 2040	250		250
6.05% Senior Notes due June 1, 2041	700		700
6.50% Senior Notes due February 1, 2042	1,000		1,000
6.10% Senior Notes due February 15, 2042	300		300
4.95% Senior Notes due January 15, 2043	350		350



5.15% Senior Notes due February 1, 2043	450			450
5.95% Senior Notes due October 1, 2043	450			450
5.30% Senior Notes due April 1, 2044	700			700
5.15% Senior Notes due March 15, 2045	1,000			1,000
5.35% Senior Notes due May 15, 2045	800			800
6.125% Senior Notes due December 15, 2045	1,000			1,000
5.30% Senior Notes due April 15, 2047	900			900
5.40% Senior Notes due October 1, 2047	1,500			1,500
6.00% Senior Notes due June 15, 2048	1,000			—
Floating Rate Junior Subordinated Notes due November 1, 2066	546			546
ETO $5.00 billion Revolving Credit Facility due December 2023	3,694			2,292
ETO $1.00 billion 364-Day Credit Facility due November 2019	—			50
Unamortized premiums, discounts and fair value adjustments, net	17			33
Deferred debt issuance costs	(178		)	(170		)
	32,288			29,210
Transwestern Debt
5.36% Senior Notes due December 9, 2020	175			175
5.89% Senior Notes due May 24, 2022	150			150
5.66% Senior Notes due December 9, 2024	175			175
6.16% Senior Notes due May 24, 2037	75			75
Deferred debt issuance costs	(1		)	(1		)
	574			574
Panhandle Debt
7.00% Senior Notes due June 15, 2018	—			400
8.125% Senior Notes due June 1, 2019	150			150
7.60% Senior Notes due February 1, 2024	82			82
7.00% Senior Notes due July 15, 2029	66			66
8.25% Senior Notes due November 15, 2029	33			33
Floating Rate Junior Subordinated Notes due November 1, 2066	54			54
Unamortized premiums, discounts and fair value adjustments, net	14			28
	399			813
Bakken Project Debt
Bakken $2.50 billion Credit Facility due August 2019	2,500			2,500
Deferred debt issuance costs	(3		)	(8		)
	2,497			2,492
Sunoco LP Debt
4.875% Senior Notes Due January 15, 2023	1,000			—
5.50% Senior Notes Due February 15, 2026	800			—
5.875% Senior Notes Due March 15, 2028	400			—
5.50% Senior Notes due August 1, 2020	—			600
6.375% Senior Notes due April 1, 2023	—			800
6.25% Senior Notes due April 15, 2021	—			800
Sunoco LP $1.50 billion Revolving Credit Facility due July 2023	700			—
Sunoco LP $1.50 billion Revolving Credit Facility due September 2019	—			765
Sunoco LP Term Loan due October 1, 2019	—			1,243
Lease-related obligations	107			113
Deferred debt issuance costs	(23		)	(34		)
	2,984			4,287
USAC Debt
6.875% Senior Notes due April 1, 2026	725			—
USAC $1.60 billion Revolving Credit Facility due April 2023	1,050			—
Deferred debt issuance costs	(16		)	—
	1,759			—

Other	7			8
Total debt	40,508			37,384
Less: Current maturities of long-term debt	2,655			413
Long-term debt, less current maturities	$	37,853		$	36,971

Future maturities of long-term debt



2019	$	3,505
2020	1,881
2021	1,406
2022	5,505
2023	6,255
Thereafter	22,146
Total	$	40,698

Equity (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Preferred Units [Table Text Block]

Distributions on the Partnership’s Series A, Series B, Series C and Series D preferred units declared and/or paid by the Partnership during the periods presented were as follows:



Period Ended	Record Date	Payment Date	Series A⁽¹⁾			Series B⁽¹⁾			Series C			Series D
December 31, 2017	February 1, 2018	February 15, 2018	$	15.4510	^*	$	16.3780	^*	$	—		$	—
June 30, 2018	August 1, 2018	August 15, 2018	31.2500			33.1250			0.5634		^*	—
September 30, 2018	November 1, 2018	November 15, 2018	—			—			0.4609			0.5931		^*
December 31, 2018	February 1, 2019	February 15, 2019	31.2500			33.1250			0.4609			0.4766

^*Represent prorated initial distributions.

⁽¹⁾Series A and Series B preferred unit distributions are paid on a bi-annual basis.

Comprehensive Income (Loss) Note [Text Block]

The following table presents the components of AOCI, net of tax:



	December 31,
	2018			2017
Available-for-sale securities ⁽¹⁾	$	2		$	8
Foreign currency translation adjustment	(5		)	(5		)
Actuarial loss related to pensions and other postretirement benefits	(48		)	(5		)
Investments in unconsolidated affiliates, net	9			5
Total AOCI, net of tax	$	(42	)	$	3


⁽¹⁾	Effective January 1, 2018, the Partnership adopted Accounting Standards Update No. 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities, which resulted in the reclassification of $2 million from accumulated other comprehensive income related to available-for-sale equity securities to common unitholders.

Schedule of taxes related to accumulated other comprehensive income [Table Text Block]

The table below sets forth the tax amounts included in the respective components of other comprehensive income:



	December 31,
	2018			2017
Available-for-sale securities	$	(1	)	$	(2	)
Foreign currency translation adjustment	2			3
Actuarial loss relating to pension and other postretirement benefits	12			3
Total	$	13		$	4

Distributions Made to Limited Partner, by Distribution [Table Text Block]

Distributions on USAC’s units declared and/or paid by USAC subsequent to the USAC transaction on April 2, 2018 were as follows:



Quarter Ended	Record Date	Payment Date	Rate
March 31, 2018	May 1, 2018	May 11, 2018	$	0.5250
June 30, 2018	July 30, 2018	August 10, 2018	0.5250
September 30, 2018	October 29, 2018	November 09, 2018	0.5250
December 31, 2018	January 28, 2019	February 8, 2019	0.5250

Distributions Made to Limited Partner, by Distribution [Table Text Block]

Distributions on Sunoco LP’s units declared and/or paid by Sunoco LP were as follows:



Quarter Ended	Record Date	Payment Date	Rate
December 31, 2015	February 5, 2016	February 16, 2016	$	0.8013
March 31, 2016	May 6, 2016	May 16, 2016	0.8173
June 30, 2016	August 5, 2016	August 15, 2016	0.8255
September 30, 2016	November 7, 2016	November 15, 2016	0.8255
December 31, 2016	February 13, 2017	February 21, 2017	0.8255
March 31, 2017	May 9, 2017	May 16, 2017	0.8255
June 30, 2017	August 7, 2017	August 15, 2017	0.8255
September 30, 2017	November 7, 2017	November 14, 2017	0.8255
December 31, 2017	February 6, 2018	February 14, 2018	0.8255
March 31, 2018	May 7, 2018	May 15, 2018	0.8255
June 30, 2018	August 7, 2018	August 15, 2018	0.8255
September 30, 2018	November 6, 2018	November 14, 2018	0.8255
December 31, 2018	February 6, 2019	February 14, 2019	0.8255

Schedule of Incentive Distributions Made to Managing Members or General Partners by Distribution [Table Text Block]



		Marginal Percentage Interest in Distributions
	Total Quarterly Distribution Target Amount	Common Unitholders	Holder of IDRs
Minimum Quarterly Distribution	$0.4375	100%	—%
First Target Distribution	$0.4375 to $0.503125	100%	—%
Second Target Distribution	$0.503125 to $0.546875	85%	15%
Third Target Distribution	$0.546875 to $0.656250	75%	25%
Thereafter	Above $0.656250	50%	50%

Unit-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2018

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

The following table summarizes the activity of the Subsidiary Unit Awards:



	Sunoco LP				USAC
	Number of Units		Weighted Average Grant-Date Fair Value Per Unit		Number of Units		Weighted Average Grant-Date Fair Value Per Unit
Unvested awards, beginning of period ⁽¹⁾	1.7		$	31.89	1.0		$	14.24
Awards granted	1.1		27.67		1.1		15.47
Awards vested	(0.4	)	32.92		(0.6	)	14.79
Awards forfeited	(0.3	)	31.26		(0.1	)	17.85
Unvested awards as of December 31, 2018	2.1		29.15		1.4		14.98


⁽¹⁾	Amounts reflect Sunoco LP as of January 1, 2018 and USAC as of April 2, 2018 (the date that ET obtained control of USAC).

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

The following table summarizes the weighted average grant-date fair value per unit award granted:



	Years Ended December 31,
	2018		2017		2016
Sunoco LP	$	27.67	$	28.31	$	26.95
USAC	15.47		N/A		N/A

UNIT-BASED COMPENSATION PLANS

COMPENSATION PLANS:

ETO Long-Term Incentive Plan

Subsidiary Long-Term Incentive Plans

The following table summarizes the activity of the Subsidiary Unit Awards:



	Sunoco LP				USAC
	Number of Units		Weighted Average Grant-Date Fair Value Per Unit		Number of Units		Weighted Average Grant-Date Fair Value Per Unit
Unvested awards, beginning of period ⁽¹⁾	1.7		$	31.89	1.0		$	14.24
Awards granted	1.1		27.67		1.1		15.47
Awards vested	(0.4	)	32.92		(0.6	)	14.79
Awards forfeited	(0.3	)	31.26		(0.1	)	17.85
Unvested awards as of December 31, 2018	2.1		29.15		1.4		14.98


⁽¹⁾	Amounts reflect Sunoco LP as of January 1, 2018 and USAC as of April 2, 2018 (the date that ET obtained control of USAC).

The following table summarizes the weighted average grant-date fair value per unit award granted:



	Years Ended December 31,
	2018		2017		2016
Sunoco LP	$	27.67	$	28.31	$	26.95
USAC	15.47		N/A		N/A

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]



	Years Ended December 31,
	2018			2017			2016
Current expense (benefit):
Federal	$	(7	)	$	53		$	(47	)
State	20			(16		)	(34		)
Total	13			37			(81		)
Deferred expense (benefit):
Federal	183			(2,025		)	(185		)
State	(191		)	184			11
Total	(8		)	(1,841		)	(174		)
Total income tax expense (benefit)	$	5		$	(1,804	)	$	(255	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]



	Years Ended December 31,
	2018			2017			2016
Income tax expense at United States statutory rate	$	849		$	402		$	230
Increase (reduction) in income taxes resulting from:
Partnership earnings not subject to tax	(718		)	(626		)	(728		)
Federal rate change	—			(1,784		)	—
Goodwill impairments	—			208			278
State income taxes (net of federal income tax effects)	(125		)	123			(10		)
Dividend received deduction	(5		)	(14		)	(15		)
Change in tax status of subsidiary	—			(124		)	—
Other	4			11			(10		)
Income tax expense (benefit)	$	5		$	(1,804	)	$	(255	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]



	December 31,
	2018			2017
Deferred income tax assets:
Net operating losses, alternative minimum tax credit and other carryforwards	$	768		$	683
Pension and other postretirement benefits	34			21
Long-term debt	13			14
Other	181			190
Total deferred income tax assets	996			908
Valuation allowance	(96		)	(189		)
Net deferred income tax assets	$	900		$	719

Deferred income tax liabilities:
Property, plant and equipment	$	(742	)	$	(998	)
Investment in unconsolidated affiliates	(2,869		)	(2,726		)
Trademarks	(63		)	(169		)
Other	(110		)	(98		)
Total deferred income tax liabilities	(3,784		)	(3,991		)
Net deferred income taxes	$	(2,884	)	$	(3,272	)

Schedule of Unrecognized Tax Benefits Rollforward [Table Text Block]

The following table sets forth the changes in unrecognized tax benefits:



	Years Ended December 31,
	2018		2017			2016
Balance at beginning of year	$	609	$	615		$	610
Additions attributable to tax positions taken in the current year	8		—			8
Additions attributable to tax positions taken in prior years	7		28			18
Reduction attributable to tax positions taken in prior years	—		(25		)	(20		)
Lapse of statute	—		(9		)	(1		)
Balance at end of year	$	624	$	609		$	615

Regulatory Matters, Commitments, Contingencies and Environmental Matters (Tables)

12 Months Ended

Dec. 31, 2018

Regulatory Matters, Commitments, Contingencies And Environmental Liabilities [Abstract]

Lessee, Operating Lease, Disclosure [Table Text Block]



	Years Ended December 31,
	2018		2017		2016
Rental expense ⁽¹⁾	$	139	$	171	$	161
Sublease rental income ⁽²⁾	40		25		26
Net	$	99	$	146	$	135


⁽¹⁾	Includes contingent rentals totaling $4 million, $16 million and $18 million for the years ended December 31, 2018, 2017 and 2016, respectively.


⁽²⁾	Sublease rental income is included in other revenues in the accompanying statements of operations.

Future Minimum Lease Commitments

Future minimum lease commitments for such leases are:



Years Ending December 31:
2019	$	104
2020	95
2021	74
2022	58
2023	50
Thereafter	220
Future minimum lease commitments	601
Less: Sublease rental income	(111		)
Net future minimum lease commitments	$	490

Environmental Exit Costs by Cost [Table Text Block]



	December 31,
	2018		2017
Current	$	42	$	35
Non-current	295		337
Total environmental liabilities	$	337	$	372

Revenue (Tables)

12 Months Ended

Dec. 31, 2018

Revenue Recognition and Deferred Revenue [Abstract]

Contract with Customer, Asset and Liability [Table Text Block]

The opening and closing balances of Sunoco LP’s contract assets and contract liabilities are as follows:



	Balance at January 1, 2018		Balance at December 31, 2018		Increase (decrease)
Contract Balances
Contract asset	$	51	$	75	$	24
Accounts receivable from contracts with customers	445		347		(98		)
Contract liability	1		1		—

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]



	Years Ending December 31,
	2019		2020		2021		Thereafter		Total
Revenue expected to be recognized on contracts with customers existing as of December 31, 2018	$	5,529	$	4,955	$	4,413	$	27,452	$	42,349

Derivative assets and liabilties (Tables)

12 Months Ended

Dec. 31, 2018

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Outstanding commodity-related derivatives

The following table details our outstanding commodity-related derivatives:



	December 31, 2018			December 31, 2017
	Notional Volume		Maturity	Notional Volume		Maturity
Mark-to-Market Derivatives
(Trading)
Natural Gas (BBtu):
Fixed Swaps/Futures	468		2019	1,078		2018
Basis Swaps IFERC/NYMEX⁽¹⁾	16,845		2019-2020	48,510		2018-2020
Options – Puts	10,000		2019	13,000		2018
Power (Megawatt):
Forwards	3,141,520		2019	435,960		2018-2019
Futures	56,656		2019-2021	(25,760	)	2018
Options – Puts	18,400		2019	(153,600	)	2018
Options – Calls	284,800		2019	137,600		2018
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	(30,228	)	2019-2021	4,650		2018-2020
Swing Swaps IFERC	54,158		2019-2020	87,253		2018-2019
Fixed Swaps/Futures	(1,068	)	2019-2021	(4,390	)	2018-2019
Forward Physical Contracts	(123,254	)	2019-2020	(145,105	)	2018-2020
NGL (MBbls) – Forwards/Swaps	(2,135	)	2019	(2,493	)	2018-2019
Crude (MBbls) – Forwards/Swaps	20,888		2019	9,237		2018-2019
Refined Products (MBbls) – Futures	(1,403	)	2019	(3,901	)	2018-2019
Corn (thousand bushels)	(1,920	)	2019	1,870		2018
Fair Value Hedging Derivatives
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	(17,445	)	2019	(39,770	)	2018
Fixed Swaps/Futures	(17,445	)	2019	(39,770	)	2018
Hedged Item – Inventory	17,445		2019	39,770		2018


⁽¹⁾	Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

Interest rate swaps outstanding



Term	Type ⁽¹⁾	Notional Amount Outstanding
Term	Type ⁽¹⁾	December 31, 2018		December 31, 2017
July 2018 ⁽²⁾	Forward-starting to pay a fixed rate of 3.76% and receive a floating rate	$	—	$	300
July 2019 ⁽²⁾	Forward-starting to pay a fixed rate of 3.56% and receive a floating rate	400		300
July 2020 ⁽²⁾	Forward-starting to pay a fixed rate of 3.52% and receive a floating rate	400		400
July 2021 ⁽²⁾	Forward-starting to pay a fixed rate of 3.55% and receive a floating rate	400		—
December 2018	Pay a floating rate and receive a fixed rate of 1.53%	—		1,200
March 2019	Pay a floating rate and receive a fixed rate of 1.42%	300		300


⁽¹⁾	Floating rates are based on 3-month LIBOR.


⁽²⁾	Represents the effective date. These forward-starting swaps have terms of 30 years with a mandatory termination date the same as the effective date.

Fair Value of derivative instruments

The following table provides a summary of our derivative assets and liabilities:



	Fair Value of Derivative Instruments
	Asset Derivatives				Liability Derivatives
	December 31, 2018		December 31, 2017		December 31, 2018			December 31, 2017
Derivatives designated as hedging instruments:
Commodity derivatives (margin deposits)	$	—	$	14	$	(13	)	$	(2	)
	—		14		(13		)	(2		)
Derivatives not designated as hedging instruments:
Commodity derivatives (margin deposits)	402		262		(397		)	(281		)
Commodity derivatives	158		45		(173		)	(58		)
Interest rate derivatives	—		—		(163		)	(219		)
	560		307		(733		)	(558		)
Total derivatives	$	560	$	321	$	(746	)	$	(560	)

Offsetting Assets Table Text Block [Table Text Block]



		Asset Derivatives						Liability Derivatives
	Balance Sheet Location	December 31, 2018			December 31, 2017			December 31, 2018			December 31, 2017
Derivatives without offsetting agreements	Derivative liabilities	$	—		$	—		$	(163	)	$	(219	)
Derivatives in offsetting agreements:
OTC contracts	Derivative assets (liabilities)	158			45			(173		)	(58		)
Broker cleared derivative contracts	Other current assets (liabilities)	402			276			(410		)	(283		)
		560			321			(746		)	(560		)
Offsetting agreements:
Counterparty netting	Derivative assets (liabilities)	(47		)	(21		)	47			21
Counterparty netting	Other current assets (liabilities)	(397		)	(263		)	397			263
Total net derivatives		$	116		$	37		$	(302	)	$	(276	)

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]



	Location of Gain (Loss) Recognized in Income on Derivatives	Amount of Gain (Loss) Recognized in Income Representing Hedge Ineffectiveness and Amount Excluded from the Assessment of Effectiveness
		Years Ended December 31,
		2018			2017		2016
Derivatives in fair value hedging relationships (including hedged item):
Commodity derivatives	Cost of products sold	$	(3	)	$	26	$	14

Derivatives Not Designated as Hedging Instruments [Table Text Block]



	Location of Gain (Loss) Recognized in Income on Derivatives	Amount of Gain (Loss) Recognized in Income on Derivatives
		Years Ended December 31,
		2018			2017			2016
Derivatives not designated as hedging instruments:
Commodity derivatives – Trading	Cost of products sold	$	32		$	31		$	(35	)
Commodity derivatives – Non-trading	Cost of products sold	(102		)	5			(177		)
Interest rate derivatives	Gains (losses) on interest rate derivatives	47			(37		)	(12		)
Embedded derivatives	Other, net	—			1			4
Total		$	(23	)	$	—		$	(220	)

- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.4-08.(n)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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+ Details

Retirement Benefits Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2018

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The following table contains information at the dates indicated about the obligations and funded status of pension and other postretirement plans on a combined basis:



	December 31, 2018								December 31, 2017
	Pension Benefits								Pension Benefits
	Funded Plans		Unfunded Plans			Other Postretirement Benefits			Funded Plans			Unfunded Plans			Other Postretirement Benefits
Change in benefit obligation:
Benefit obligation at beginning of period	$	1	$	47		$	156		$	18		$	51		$	166
Service cost	—		—			1			—			—			—
Interest cost	—		1			5			1			1			4
Amendments	—		—			60			—			—			7
Benefits paid, net	—		(7		)	(17		)	(2		)	(6		)	(20		)
Actuarial (gain) loss and other	—		(4		)	(7		)	2			1			(1		)
Settlements	—		—			—			(18		)	—			—
Benefit obligation at end of period	1		37			198			1			47			156

Change in plan assets:
Fair value of plan assets at beginning of period	1		—			257			12			—			256
Return on plan assets and other	—		—			(8		)	3			—			11
Employer contributions	—		—			9			6			—			10
Benefits paid, net	—		—			(17		)	(2		)	—			(20		)
Settlements	—		—			—			(18		)	—			—
Fair value of plan assets at end of period	1		—			241			1			—			257

Amount underfunded (overfunded) at end of period	$	—	$	37		$	(43	)	$	—		$	47		$	(101	)

Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	$	—	$	—		$	68		$	—		$	—		$	127
Current liabilities	—		(6		)	(2		)	—			(8		)	(2		)
Non-current liabilities	—		(31		)	(23		)	—			(39		)	(24		)
	$	—	$	(37	)	$	43		$	—		$	(47	)	$	101

Amounts recognized in accumulated other comprehensive income (loss) (pre-tax basis) consist of:
Net actuarial gain (loss)	$	—	$	1		$	(7	)	$	—		$	5		$	(18	)
Prior service cost	—		—			66			—			—			21
	$	—	$	1		$	59		$	—		$	5		$	3

Schedule of Accumulated and Projected Benefit Obligations [Table Text Block]

The following table summarizes information at the dates indicated for plans with an accumulated benefit obligation in excess of plan assets:



	December 31, 2018						December 31, 2017
	Pension Benefits						Pension Benefits
	Funded Plans		Unfunded Plans		Other Postretirement Benefits		Funded Plans		Unfunded Plans		Other Postretirement Benefits
Projected benefit obligation	$	—	$	37	N/A		$	1	$	47	N/A
Accumulated benefit obligation	1		37		$	198	1		47		$	156
Fair value of plan assets	1		—		241		1		—		257

Schedule of Net Benefit Costs [Table Text Block]



	December 31, 2018					December 31, 2017
	Pension Benefits		Other Postretirement Benefits			Pension Benefits		Other Postretirement Benefits
Net periodic benefit cost:
Service cost	$	—	$	1		$	—	$	—
Interest cost	1		5			2		4
Expected return on plan assets	—		(10		)	—		(9		)
Prior service cost amortization	—		16			—		2
Net periodic benefit cost	$	1	$	12		$	2	$	(3	)

Schedule of Benefit Obligations Assumptions [Table Text Block]

The weighted-average assumptions used in determining benefit obligations at the dates indicated are shown in the table below:



	December 31, 2018				December 31, 2017
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	4.02	%	3.40	%	3.27	%	2.34	%
Rate of compensation increase	N/A		N/A		N/A		N/A

The weighted-average assumptions used in determining net periodic benefit cost for the periods presented are shown in the table below:



	December 31, 2018				December 31, 2017
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	3.52	%	3.51	%	3.52	%	3.10	%
Expected return on assets:
Tax exempt accounts	3.26	%	6.63	%	3.50	%	7.00	%
Taxable accounts	N/A		4.50	%	N/A		4.50	%
Rate of compensation increase	N/A		N/A		N/A		N/A

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

The assumed health care cost trend rates used to measure the expected cost of benefits covered by Panhandle and Sunoco, Inc.’s other postretirement benefit plans are shown in the table below:



	December 31,
	2018		2017
Health care cost trend rate	7.15	%	7.20	%
Rate to which the cost trend is assumed to decline (the ultimate trend rate)	4.82	%	4.99	%
Year that the rate reaches the ultimate trend rate	2024		2023

Fair Value of Plan Assets [Table Text Block]

The fair value of the pension plan assets by asset category at the dates indicated is as follows:



			Fair Value Measurements at December 31, 2018
	Fair Value Total		Level 1		Level 2		Level 3
Mutual funds⁽¹⁾	$	1	$	1	$	—	$	—


⁽¹⁾	Comprised of approximately 100% equities as of December 31, 2018.



			Fair Value Measurements at December 31, 2017
	Fair Value Total		Level 1		Level 2		Level 3
Mutual funds⁽¹⁾	$	1	$	1	$	—	$	—


⁽¹⁾	Comprised of approximately 100% equities as of December 31, 2017.

The fair value of other postretirement plan assets by asset category at the dates indicated is as follows:



			Fair Value Measurements at December 31, 2018
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	20	$	20	$	—	$	—
Mutual funds⁽¹⁾	144		144		—		—
Fixed income securities	77		—		77		—
Total	$	241	$	164	$	77	$	—


⁽¹⁾	Primarily comprised of approximately 53% equities, 46% fixed income securities and 1% cash as of December 31, 2018.



			Fair Value Measurements at December 31, 2017
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	33	$	33	$	—	$	—
Mutual funds⁽¹⁾	154		154		—		—
Fixed income securities	70		—		70		—
Total	$	257	$	187	$	70	$	—


⁽¹⁾	Primarily comprised of approximately 38% equities, 61% fixed income securities and 2% cash as of December 31, 2017.

Schedule of Expected Benefit Payments [Table Text Block]



Years	Pension Benefits - Unfunded Plans ⁽¹⁾		Other Postretirement Benefits (Gross, Before Medicare Part D)
2019	$	6	$	20
2020	6		20
2021	5		20
2022	4		18
2023	4		17
2024 - 2028	12		66

Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2018

The following table summarizes the affiliate revenues on our consolidated statements of operations:



	Years Ended December 31,
	2018		2017		2016
Affiliated revenues	$	431	$	303	$	221

The following table summarizes the related company balances on our consolidated balance sheets:



	December 31,
	2018		2017
Accounts receivable from related companies:
ET	$	65	$	—
FGT	25		11
Phillips 66	42		20
Other	44		22
Total accounts receivable from related companies	$	176	$	53

Accounts payable to related companies:
ET	$	59	$	64
Other	60		31
Total accounts payable to related companies	$	119	$	95



	December 31,
	2018		2017
Long-term notes receivable – related companies:
ET	$	440	$	617

Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2018

Reportable Segments [Abstract]

Reportable segments

The following tables present financial information by segment:



	Years Ended December 31,
	2018			2017			2016
Revenues:
Intrastate transportation and storage:
Revenues from external customers	$	3,428		$	2,891		$	2,155
Intersegment revenues	309			192			458
	3,737			3,083			2,613
Interstate transportation and storage:
Revenues from external customers	1,664			1,112			1,143
Intersegment revenues	18			19			23
	1,682			1,131			1,166
Midstream:
Revenues from external customers	2,090			2,510			2,342
Intersegment revenues	5,432			4,433			2,837
	7,522			6,943			5,179
NGL and refined products transportation and services:
Revenues from external customers	10,119			7,885			5,764
Intersegment revenues	1,004			763			645
	11,123			8,648			6,409
Crude oil transportation and services:
Revenues from external customers	17,236			11,672			7,539
Intersegment revenues	96			31			—
	17,332			11,703			7,539
Investment in Sunoco LP:
Revenues from external customers	16,982			11,713			9,977
Intersegment revenues	12			10			9
	16,994			11,723			9,986
Investment in USAC:
Revenues from external customers	495			—			—
Intersegment revenues	13			—			—
	508			—			—
All other:
Revenues from external customers	2,073			2,740			2,872
Intersegment revenues	155			161			400
	2,228			2,901			3,272
Eliminations	(7,039		)	(5,609		)	(4,372		)
Total revenues	$	54,087		$	40,523		$	31,792



	Years Ended December 31,
	2018			2017			2016
Cost of products sold:
Intrastate transportation and storage	$	2,665		$	2,327		$	1,897
Midstream	5,145			4,761			3,381
NGL and refined products transportation and services	8,462			6,508			4,553
Crude oil transportation and services	14,439			9,826			6,416
Investment in Sunoco LP	15,872			10,615			8,830
Investment in USAC	67			—			—
All other	2,006			2,509			2,942
Eliminations	(6,998		)	(5,580		)	(4,326		)
Total cost of products sold	$	41,658		$	30,966		$	23,693



	Years Ended December 31,
	2018		2017		2016
Depreciation, depletion and amortization:
Intrastate transportation and storage	$	169	$	147	$	144
Interstate transportation and storage	334		254		246
Midstream	1,006		954		840
NGL and refined products transportation and services	466		401		355
Crude oil transportation and services	445		402		251
Investment in Sunoco LP	167		169		176
Investment in USAC	169		—		—
All other	87		214		189
Total depreciation, depletion and amortization	$	2,843	$	2,541	$	2,201



	Years Ended December 31,
	2018		2017			2016
Equity in earnings (losses) of unconsolidated affiliates:
Intrastate transportation and storage	$	19	$	(156	)	$	35
Interstate transportation and storage	227		236			193
Midstream	26		20			19
NGL and refined products transportation and services	64		33			41
Crude oil transportation and services	6		4			(4		)
All other	2		7			(14		)
Total equity in earnings of unconsolidated affiliates	$	344	$	144		$	270



	Years Ended December 31,
	2018			2017			2016
Segment Adjusted EBITDA:
Intrastate transportation and storage	$	927		$	626		$	613
Interstate transportation and storage	1,680			1,274			1,297
Midstream	1,627			1,481			1,133
NGL and refined products transportation and services	1,979			1,641			1,496
Crude oil transportation and services	2,330			1,379			834
Investment in Sunoco LP	638			732			665
Investment in USAC	289			—			—
All other	76			219			193
Total Segment Adjusted EBITDA	9,546			7,352			6,231
Depreciation, depletion and amortization	(2,843		)	(2,541		)	(2,201		)
Interest expense, net	(1,709		)	(1,575		)	(1,478		)
Gains on acquisitions	—			—			83
Impairment losses	(431		)	(1,039		)	(1,040		)
Gains (losses) on interest rate derivatives	47			(37		)	(12		)
Non-cash compensation expense	(105		)	(99		)	(93		)
Unrealized gains (losses) on commodity risk management activities	(11		)	59			(136		)
Inventory valuation adjustments	(85		)	24			97
Losses on extinguishments of debt	(109		)	(42		)	—
Adjusted EBITDA related to unconsolidated affiliates	(655		)	(716		)	(675		)
Equity in earnings of unconsolidated affiliates	344			144			270
Impairment of investments in unconsolidated affiliates	—			(313		)	(308		)
Adjusted EBITDA related to discontinued operations	25			(223		)	(199		)
Other, net	30			154			117
Income from continuing operations before income tax (expense) benefit	4,044			1,148			656
Income tax (expense) benefit from continuing operations	(5		)	1,804			255
Income from continuing operations	4,039			2,952			911
Loss from discontinued operations, net of income taxes	(265		)	(177		)	(462		)
Net income	$	3,774		$	2,775		$	449



	December 31,
	2018		2017		2016
Assets:
Intrastate transportation and storage	$	6,365	$	5,020	$	5,174
Interstate transportation and storage	15,081		15,316		12,492
Midstream	19,745		20,004		17,873
NGL and refined products transportation and services	18,267		17,600		14,074
Crude oil transportation and services	18,022		17,730		15,908
Investment in Sunoco LP	4,879		8,344		8,701
Investment in USAC	3,775		—		—
All other and eliminations	2,308		2,470		4,762
Total assets	$	88,442	$	86,484	$	78,984



	Years Ended December 31,
	2018		2017		2016
Additions to property, plant and equipment excluding acquisitions, net of contributions in aid of construction costs (capital expenditures related to the Partnership’s proportionate ownership on an accrual basis):
Intrastate transportation and storage	$	344	$	175	$	76
Interstate transportation and storage	812		728		280
Midstream	1,161		1,308		1,255
NGL and refined products transportation and services	2,381		2,971		2,198
Crude oil transportation and services	474		453		1,841
Investment in Sunoco LP	103		103		119
Investment in USAC	205		—		—
All other	150		268		160
Total additions to property, plant and equipment excluding acquisitions, net of contributions in aid of construction costs (accrual basis)	$	5,630	$	6,006	$	5,929



	December 31,
	2018		2017		2016
Advances to and investments in unconsolidated affiliates:
Intrastate transportation and storage	$	83	$	85	$	387
Interstate transportation and storage	2,070		2,118		2,149
Midstream	124		126		111
NGL and refined products transportation and services	243		234		235
Crude oil transportation and services	28		22		18
All other	88		113		131
Total advances to and investments in unconsolidated affiliates	$	2,636	$	2,698	$	3,031

Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]



	Quarters Ended
	March 31		June 30		September 30		December 31		Total Year
2018:
Revenues	$	11,882	$	14,118	$	14,514	$	13,573	$	54,087
Operating income	1,105		1,138		1,715		1,444		5,402
Income from continuing operations	814		760		1,494		971		4,039
Net income	577		734		1,492		971		3,774
Net income attributable to partners	715		432		1,135		743		3,025



	Quarters Ended
	March 31		June 30		September 30		December 31		Total Year
2017:
Revenues	$	9,660	$	9,427	$	9,984	$	11,452	$	40,523
Operating income	775		754		938		298		2,765
Income from continuing operations	456		410		835		1,251		2,952
Net income	445		217		852		1,261		2,775
Net income attributable to partners	331		202		605		943		2,081

Guarantor Financial Information (Tables)

12 Months Ended

Dec. 31, 2018

Guarantor Financial Information [Abstract]

Condensed Balance Sheet [Table Text Block]

The consolidating financial information for the Parent Guarantor, Subsidiary Issuer and Non-Guarantor Subsidiaries are as follows:



	December 31, 2018
	Parent Guarantor			Subsidiary Issuer			Non-Guarantor Subsidiaries		Eliminations			Consolidated Partnership
Cash and cash equivalents	$	—		$	—		$	418	$	—		$	418
All other current assets	5			57			7,074		(734		)	6,402
Property, plant and equipment	—			—			66,655		—			66,655
Investments in unconsolidated affiliates	51,876			13,090			2,636		(64,966		)	2,636
All other assets	12			75			12,244		—			12,331
Total assets	$	51,893		$	13,222		$	89,027	$	(65,700	)	$	88,442

Current liabilities	$	(635	)	$	(3,315	)	$	14,469	$	(1,222	)	$	9,297
Non-current liabilities	24,787			7,605			10,132		—			42,524
Noncontrolling interest	—			—			7,903		—			7,903
Total partners’ capital	27,741			8,932			56,523		(64,478		)	28,718
Total liabilities and equity	$	51,893		$	13,222		$	89,027	$	(65,700	)	$	88,442



	December 31, 2017
	Parent Guarantor			Subsidiary Issuer			Non-Guarantor Subsidiaries		Eliminations			Consolidated Partnership
Cash and cash equivalents	$	—		$	(2	)	$	337	$	—		$	335
All other current assets	—			159			10,187		—			10,346
Property, plant and equipment	—			—			60,764		—			60,764
Investments in unconsolidated affiliates	51,194			11,648			2,698		(62,842		)	2,698
All other assets	—			—			12,341		—			12,341
Total assets	$	51,194		$	11,805		$	86,327	$	(62,842	)	$	86,484

Current liabilities	$	(1,496	)	$	(3,660	)	$	13,047	$	—		$	7,891
Non-current liabilities	21,604			7,608			12,414		—			41,626
Noncontrolling interest	—			—			5,882		—			5,882
Total partners’ capital	31,086			7,857			54,984		(62,842		)	31,085
Total liabilities and equity	$	51,194		$	11,805		$	86,327	$	(62,842	)	$	86,484

Condensed Income Statement [Table Text Block]



	Year Ended December 31, 2018
	Parent Guarantor			Subsidiary Issuer			Non-Guarantor Subsidiaries			Eliminations			Consolidated Partnership
Revenues	$	—		$	—		$	54,087		$	—		$	54,087
Operating costs, expenses, and other	—			—			48,685			—			48,685
Operating income	—			—			5,402			—			5,402
Interest expense, net	(1,196		)	(176		)	(337		)	—			(1,709		)
Equity in earnings of unconsolidated affiliates	4,170			1,430			344			(5,600		)	344
Losses on debt extinguishment	—			—			(109		)	—			(109		)
Gains on interest rate derivatives	47			—			—			—			47
Other, net	—			—			69			—			69
Income before income tax expense	3,021			1,254			5,369			(5,600		)	4,044
Income tax expense	—			—			5			—			5
Net income from continuing operations	3,021			1,254			5,364			(5,600		)	4,039
Net loss attributable to discontinued operations	—			—			(265		)	—			(265		)
Net income	3,021			1,254			5,099			(5,600		)	3,774
Less: Net income attributable to noncontrolling interest	—			—			715			—			715
Less: Net income attributable to redeemable noncontrolling interests	—			—			39			—			39
Less: Net loss attributable to predecessor	—			—			(5		)	—			(5		)
Net income attributable to partners	$	3,021		$	1,254		$	4,350		$	(5,600	)	$	3,025

Other comprehensive loss	$	—		$	—		$	(43	)	$	—		$	(43	)
Comprehensive income	3,021			1,254			5,056			(5,600		)	3,731
Comprehensive income attributable to noncontrolling interest	—			—			715			—			715
Comprehensive income attributable to redeemable noncontrolling interests	—			—			39			—			39
Comprehensive income attributable to predecessor	—			—			(5		)	—			(5		)
Comprehensive income attributable to partners	$	3,021		$	1,254		$	4,307		$	(5,600	)	$	2,982



	Year Ended December 31, 2017
	Parent Guarantor		Subsidiary Issuer			Non-Guarantor Subsidiaries			Eliminations			Consolidated Partnership
Revenues	$	—	$	—		$	40,523		$	—		$	40,523
Operating costs, expenses, and other	—		1			37,757			—			37,758
Operating income (loss)	—		(1		)	2,766			—			2,765
Interest expense, net	—		(156		)	(1,419		)	—			(1,575		)
Equity in earnings of unconsolidated affiliates	2,564		1,242			144			(3,806		)	144
Impairment of investment in unconsolidated affiliate	—		—			(313		)	—			(313		)
Losses on extinguishments of debt	—		—			(42		)	—			(42		)
Losses on interest rate derivatives	—		—			(37		)	—			(37		)
Other, net	—		—			207			(1		)	206
Income before income tax benefit	2,564		1,085			1,306			(3,807		)	1,148
Income tax benefit	—		—			(1,804		)	—			(1,804		)
Net income from continuing operations	2,564		1,085			3,110			(3,807		)	2,952
Net loss attributable to discontinued operations	—		—			(177		)	—			(177		)
Net income	2,564		1,085			2,933			(3,807		)	2,775
Less: Net income attributable to noncontrolling interest	—		—			420			—			420
Less: Net income attributable to predecessor	—		—			274			—			274
Net income attributable to partners	$	2,564	$	1,085		$	2,239		$	(3,807	)	$	2,081

Other comprehensive loss	$	—	$	—		$	(5	)	$	—		$	(5	)
Comprehensive income	2,564		1,085			2,928			(3,807		)	2,770
Comprehensive income attributable to noncontrolling interest	—		—			420			—			420
Comprehensive income attributable to predecessor	—		—			274			—			274
Comprehensive income attributable to partners	$	2,564	$	1,085		$	2,234		$	(3,807	)	$	2,076



	Year Ended December 31, 2016
	Parent Guarantor		Subsidiary Issuer			Non-Guarantor Subsidiaries			Eliminations			Consolidated Partnership
Revenues	$	—	$	—		$	31,792		$	—		$	31,792
Operating costs, expenses, and other	—		1			29,816			—			29,817
Operating income (loss)	—		(1		)	1,976			—			1,975
Interest expense, net	—		(157		)	(1,321		)	—			(1,478		)
Equity in earnings of unconsolidated affiliates	554		863			270			(1,417		)	270
Impairment of investment in unconsolidated affiliate	—		—			(308		)	—			(308		)
Gains on acquisitions	—		—			83			—			83
Losses on interest rate derivatives	—		—			(12		)	—			(12		)
Other, net	—		—			126			—			126
Income before income tax benefit	554		705			814			(1,417		)	656
Income tax benefit	—		—			(255		)	—			(255		)
Net income from continuing operations	554		705			1,069			(1,417		)	911
Net income attributable to discontinued operations	—		—			(462		)	—			(462		)
Net income	554		705			607			(1,417		)	449
Less: Net income attributable to noncontrolling interest	—		—			41			—			41
Less: Net loss attributable to predecessor	—		—			(134		)	—			(134		)
Net income attributable to partners	$	554	$	705		$	700		$	(1,417	)	$	542

Other comprehensive income	$	—	$	—		$	4		$	—		$	4
Comprehensive income	554		705			611			(1,417		)	453
Comprehensive income attributable to noncontrolling interest	—		—			41			—			41
Comprehensive loss attributable to predecessor	—		—			(134		)	—			(134		)
Comprehensive income attributable to partners	$	554	$	705		$	704		$	(1,417	)	$	546

Condensed Cash Flow Statement [Table Text Block]



	Year Ended December 31, 2018
	Parent Guarantor			Subsidiary Issuer			Non-Guarantor Subsidiaries			Eliminations			Consolidated Partnership
Cash flows provided by operating activities	$	4,041		$	1,521		$	5,641		$	(3,644	)	$	7,559
Cash flows used in investing activities	(3,408		)	(1,519		)	(5,619		)	3,644			(6,902		)
Cash flows used in financing activities	(633		)	—			(2,675		)	—			(3,308		)
Net increase in cash and cash equivalents of discontinued operations	—			—			2,734			—			2,734
Change in cash	—			2			81			—			83
Cash at beginning of period	—			(2		)	337			—			335
Cash at end of period	$	—		$	—		$	418		$	—		$	418



	Year Ended December 31, 2017
	Parent Guarantor			Subsidiary Issuer			Non-Guarantor Subsidiaries			Eliminations			Consolidated Partnership
Cash flows provided by operating activities	$	2,564		$	1,047		$	5,013		$	(3,807	)	$	4,817
Cash flows used in investing activities	(2,240		)	(1,368		)	(5,811		)	3,807			(5,612		)
Cash flows provided by (used in) financing activities	(324		)	277			619			—			572
Net increase in cash and cash equivalents of discontinued operations	—			—			93			—			93
Change in cash	—			(44		)	(86		)	—			(130		)
Cash at beginning of period	—			42			423			—			465
Cash at end of period	$	—		$	(2	)	$	337		$	—		$	335



	Year Ended December 31, 2016
	Parent Guarantor			Subsidiary Issuer			Non-Guarantor Subsidiaries			Eliminations			Consolidated Partnership
Cash flows provided by operating activities	$	553		$	675		$	4,395		$	(1,417	)	$	4,206
Cash flows used in investing activities	(976		)	(2,400		)	(6,998		)	1,417			(8,957		)
Cash flows provided by financing activities	423			1,729			2,865			—			5,017
Net decrease in cash and cash equivalents of discontinued operations	—			—			(385		)	—			(385		)
Change in cash	—			4			(123		)	—			(119		)
Cash at beginning of period	—			38			546			—			584
Cash at end of period	$	—		$	42		$	423		$	—		$	465

Operations and Organization (Narrative) (Details)	1 Months Ended
Operations and Organization (Narrative) (Details)	Oct. 31, 2018 shares	Apr. 30, 2017	Dec. 31, 2018 shares
Sunoco LP [Member]
Incentive Distribution Rights			100.00%
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.			28,500,000
USAC [Member]
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.			39,700,000
ETE Merger [Member]
Conversion Rate of Units in Merger, Per Unit	1.28
ETE Merger [Member] \| Sunoco LP [Member]
Sale of Stock, Number of Shares Issued in Transaction	2,263,158
ETE Merger [Member] \| USAC [Member]
Sale of Stock, Number of Shares Issued in Transaction	12,466,912
SXL and ETP Merger [Member]
Conversion Rate of Units in Merger, Per Unit		1.5
IDRs [Member] \| ETE Merger [Member]
Sale of Stock, Number of Shares Issued in Transaction	1,168,205,710
General Partner \| ETE Merger [Member]
Sale of Stock, Number of Shares Issued in Transaction	18,448,341

Estimates, Significant Accounting Policies and Balance Sheet Detials (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Lease, Right-of-Use Asset	$ 1,000	$ 1,000
Operating Lease, Liability	1,000	1,000
Asset Retirement Obligation	193	193	$ 220
Tangible Asset Impairment Charges		9	127	$ 133
ARO Underlying Asset	106	106	103
Impairment losses		378	895
Long-term Debt, Fair Value	39,540	39,540	38,710
Goodwill acquired		495	12
Goodwill	4,885	4,885	4,729	5,631
Long-term Debt	40,508	40,508	37,384
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net		0
Costs Incurred, Asset Retirement Obligation Incurred		13	9	7
Asset Retirement Obligation, Legally Restricted Assets, Fair Value	26	$ 26	21
Customer relationships, contracts and agreements (3 to 46 years)
Impairment of Intangible Assets (Excluding Goodwill)	30		13
Other (5 to 20 years)
Impairment of Intangible Assets (Excluding Goodwill)			4
Minimum [Member] \| Customer relationships, contracts and agreements (3 to 46 years)
Useful Lives		3 years
Minimum [Member] \| Other (5 to 20 years)
Useful Lives		1 year
Maximum [Member] \| Customer relationships, contracts and agreements (3 to 46 years)
Useful Lives		46 years
Maximum [Member] \| Patents [Member]
Useful Lives		10 years
Maximum [Member] \| Other (5 to 20 years)
Useful Lives		15 years
Interstate Transportation and Storage [Member]
Impairment losses		$ 0	262	638
Goodwill acquired		0	0
Goodwill	196	196	196	458
Midstream [Member]
Tangible Asset Impairment Charges				10
Impairment losses		(378)	0	32
Goodwill acquired		0	8
Goodwill	492	492	870	863
Retail Marketing [Member]
Excise Taxes Collected		370	234	243
NGL and refined products transportation and services [Member]
Impairment losses		0	79
Goodwill acquired		0	0
Goodwill	693	693	693	772
Other Segments [Member]
Impairment losses		0	452
Goodwill acquired		0	0
Goodwill	149	149	363	815
Investment In Sunoco LP [Member]
Impairment losses		0	387	641
Goodwill acquired		129	0
Goodwill	1,559	1,559	1,430	1,550
ETC Marketing [Member] \| Other Segments [Member]
Goodwill	$ 72	$ 72
Continuing Operations [Member] \| Investment In Sunoco LP [Member]
Impairment losses			$ 102	$ 227

Estimates, Significant Accounting Policies and Balance Sheet Detials (Change in Accounting Policy) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018
Assets [Abstract]
Other current assets	$ 294								$ 356	$ 294		$ 302
Property, Plant and Equipment, Net	60,764								66,655	60,764		60,764
Intangible assets, net	6,116								6,000	6,116		6,016
Other non-current assets, net	879								1,006	879		918
Liabilities and Equity [Abstract]
Other non-current liabilities	1,217								1,184	1,217		1,218
Noncontrolling interest	5,882								7,903	5,882		$ 5,828
Costs and Expenses [Abstract]
Cost of products sold									41,658	30,966	$ 23,693
Operating expenses									3,089	2,644	2,336
Depreciation, depletion and amortization									2,843	2,541	2,201
New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]
Operating Income (Loss)	1,444	$ 1,715	$ 1,138	$ 1,105	$ 298	$ 938	$ 754	$ 775	5,402	2,765	1,975
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAX BENEFIT									4,044	1,148	656
Net income	971	$ 1,492	$ 734	$ 577	$ 1,261	$ 852	$ 217	$ 445	3,774	2,775	449
Net Income (Loss) Attributable to Parent									3,025	2,081	288
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									3,731	2,770	453
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									2,982	2,076	292
Inventory valuation adjustments									85	(24)	(97)
Increase (Decrease) in Operating Capital									(117)	173	(303)
Inventories	2,022								1,677	2,022
Accounting Standards Update 2014-09 [Member]
Assets [Abstract]
Other current assets	8								12	8
Property, Plant and Equipment, Net	0								0	0
Intangible assets, net	(100)								(134)	(100)
Other non-current assets, net	39								59	39
Liabilities and Equity [Abstract]
Other non-current liabilities	1								1	1
Noncontrolling interest	$ (54)								(64)	(54)
Costs and Expenses [Abstract]
Cost of products sold									(731)
Operating expenses									44
Depreciation, depletion and amortization									(29)
Previous Accounting Guidance [Member]
Assets [Abstract]
Other current assets									344
Property, Plant and Equipment, Net									66,655
Intangible assets, net									6,134
Other non-current assets, net									947
Liabilities and Equity [Abstract]
Other non-current liabilities									1,183
Noncontrolling interest									7,967
Costs and Expenses [Abstract]
Cost of products sold									42,389
Operating expenses									3,045
Depreciation, depletion and amortization									2,872
Natural gas sales
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									4,452	4,172	3,619
Natural gas sales \| Accounting Standards Update 2014-09 [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									0
Natural gas sales \| Previous Accounting Guidance [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									4,452
NGL sales
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									9,109	6,972	4,841
NGL sales \| Accounting Standards Update 2014-09 [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									38
NGL sales \| Previous Accounting Guidance [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									9,071
Crude sales
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									14,415	10,706	7,205
Crude sales \| Accounting Standards Update 2014-09 [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									12
Crude sales \| Previous Accounting Guidance [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									14,403
Gathering, transportation and other fees
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									6,797	4,435	4,172
Gathering, transportation and other fees \| Accounting Standards Update 2014-09 [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									(729)
Gathering, transportation and other fees \| Previous Accounting Guidance [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									7,526
Refined product sales
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									18,345	11,975	10,097
Refined product sales \| Accounting Standards Update 2014-09 [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									(48)
Refined product sales \| Previous Accounting Guidance [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									18,393
Other
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									969	$ 2,263	$ 1,858
Other \| Accounting Standards Update 2014-09 [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									1
Other \| Previous Accounting Guidance [Member]
Revenues [Abstract]
Revenue from Contract with Customer, Including Assessed Tax									$ 968

Estimates, Significant Accounting Policies and Balance Sheet Detials (Net change in operating assets and liabilities (net of acquisitions) included in cash flows) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL
Accounts receivable	$ 506	$ (951)	$ (1,114)
Accounts receivable from related companies	128	(462)	427
Inventories	282	58	(485)
Other current assets	7	40	146
Other non-current assets, net	(109)	(88)	(146)
Accounts payable	(769)	713	1,145
Accounts payable to related companies	(206)	486	319
Accrued and other current liabilities	365	(56)	71
Other non-current liabilities	(34)	78	(127)
Price risk management assets and liabilities, net	(53)	9	67
Net change in operating assets and liabilities, net of effects of acquisitions	$ 117	$ (173)	$ 303

Estimates, Significant Accounting Policies and Balance Sheet Detials (Non-cash investing and financing activities and supplemental cash flow information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	$ 1,030	$ 1,060	$ 848
Net gains (losses) from subsidiary common unit transactions	(127)	5	8
Contribution of assets from noncontrolling interest	0	988	0
Partners Capital Account, Acquisitions	0	0	543
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest, net of interest capitalized	1,537	1,516	1,507
Cash paid for (refund of) income taxes	508	50
Cash paid for (refund of) income taxes			(229)
PennTex Acquisition [Member]
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Partners Capital Account, Acquisitions	$ 0	$ 0	$ 307

Estimates, Significant Accounting Policies and Balance Sheet Detials (Inventory) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL
Natural gas, NGLs and refined products (1)	$ 833	$ 1,120
Crude oil	506	551
Spare parts and other	338	351
Total inventories	$ 1,677	$ 2,022

Estimates, Significant Accounting Policies and Balance Sheet Detials (Other Current Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL
Deposits paid to vendors	$ 141		$ 64
Prepaid expenses and other	215		230
Total other current assets	$ 356	$ 302	$ 294

Estimates, Significant Accounting Policies and Balance Sheet Detials (Components and useful lives of property, plant and equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Property, Plant and Equipment, Gross	$ 79,280		$ 70,682
Less - Accumulated depreciation	(12,625)		(9,918)
Property, plant and equipment, net	66,655	$ 60,764	60,764
Land and improvements
Property, Plant and Equipment, Gross	2,146		2,222
Buildings and improvements (1 to 45 years)
Property, Plant and Equipment, Gross	2,636		2,786
Pipelines and equipment (5 to 83 years)
Property, Plant and Equipment, Gross	57,584		44,673
Natural gas and NGL storage facilities (5 to 46 years)
Property, Plant and Equipment, Gross	1,898		1,681
Bulk storage, equipment and facilities (2 to 83 years)
Property, Plant and Equipment, Gross	3,395		3,036
Vehicles (1 to 25 years)
Property, Plant and Equipment, Gross	123		126
Right of way (20 to 83 years)
Property, Plant and Equipment, Gross	3,555		3,432
Natural resources
Property, Plant and Equipment, Gross	434		434
Other (1 to 40 years)
Property, Plant and Equipment, Gross	558		534
Construction Work-In-Process [Member]
Property, Plant and Equipment, Gross	$ 6,067		$ 10,911
Minimum [Member] \| Buildings and improvements (1 to 45 years)
Property, plant and equipment useful life, minimum in years	1 year
Minimum [Member] \| Pipelines and equipment (5 to 83 years)
Property, plant and equipment useful life, minimum in years	5 years
Minimum [Member] \| Natural gas and NGL storage facilities (5 to 46 years)
Property, plant and equipment useful life, minimum in years	5 years
Minimum [Member] \| Bulk storage, equipment and facilities (2 to 83 years)
Property, plant and equipment useful life, minimum in years	2 years
Minimum [Member] \| Retail equipment (2 to 99 years)
Property, plant and equipment useful life, minimum in years	2 years
Minimum [Member] \| Vehicles (1 to 25 years)
Property, plant and equipment useful life, minimum in years	1 year
Minimum [Member] \| Right of way (20 to 83 years)
Property, plant and equipment useful life, minimum in years	20 years
Minimum [Member] \| Other (1 to 40 years)
Property, plant and equipment useful life, minimum in years	1 year
Maximum [Member] \| Buildings and improvements (1 to 45 years)
Property, plant and equipment useful life, minimum in years	45 years
Maximum [Member] \| Pipelines and equipment (5 to 83 years)
Property, plant and equipment useful life, minimum in years	83 years
Maximum [Member] \| Natural gas and NGL storage facilities (5 to 46 years)
Property, plant and equipment useful life, minimum in years	46 years
Maximum [Member] \| Bulk storage, equipment and facilities (2 to 83 years)
Property, plant and equipment useful life, minimum in years	83 years
Maximum [Member] \| Retail equipment (2 to 99 years)
Property, plant and equipment useful life, minimum in years	99 years
Maximum [Member] \| Vehicles (1 to 25 years)
Property, plant and equipment useful life, minimum in years	25 years
Maximum [Member] \| Right of way (20 to 83 years)
Property, plant and equipment useful life, minimum in years	83 years
Maximum [Member] \| Other (1 to 40 years)
Property, plant and equipment useful life, minimum in years	40 years

Estimates, Significant Accounting Policies and Balance Sheet Detials (Schedule of Property, Plant and Equipment Depreciation and Capitalized Interest Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL
Depreciation, depletion and amortization expense	$ 2,522	$ 2,199	$ 1,940
Capitalized interest	$ 294	$ 286	$ 201

Estimates, Significant Accounting Policies and Balance Sheet Detials (Other Non-Current Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL
Regulatory assets	$ 43		$ 85
Deferred charges	241		210
Restricted funds	178		192
Other	544		392
Total other non-current assets, net	$ 1,006	$ 918	$ 879

Estimates, Significant Accounting Policies and Balance Sheet Detials (Intangible assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Gross Carrying Amount	$ 7,560	$ 7,458
Accumulated Amortization	(1,560)	(1,342)
Trademarks [Member]
Gross Carrying Amount	295	295
Accumulated Amortization	0	0
Customer relationships, contracts and agreements (3 to 46 years)
Gross Carrying Amount	7,106	6,979
Accumulated Amortization	(1,493)	(1,277)
Patents (10 years)
Gross Carrying Amount	48	48
Accumulated Amortization	(30)	(26)
Trade Names (20 years)
Gross Carrying Amount	66	66
Accumulated Amortization	(28)	(25)
Other (5 to 20 years)
Gross Carrying Amount	33	28
Accumulated Amortization	(9)	(14)
Other non-amortizable intangible assets [Member]
Gross Carrying Amount	12	42
Accumulated Amortization	0	0
Total Amortizable Intangible Assets [Member]
Gross Carrying Amount	7,253	7,121
Accumulated Amortization	(1,560)	(1,342)
Non-amortizable intangible assets [Member]
Gross Carrying Amount	307	337
Accumulated Amortization	$ 0	$ 0
Maximum [Member] \| Customer relationships, contracts and agreements (3 to 46 years)
Useful Lives	46 years
Maximum [Member] \| Patents (10 years)
Useful Lives	10 years
Maximum [Member] \| Trade Names (20 years)
Useful Lives	20 years
Maximum [Member] \| Other (5 to 20 years)
Useful Lives	15 years
Minimum [Member] \| Customer relationships, contracts and agreements (3 to 46 years)
Useful Lives	3 years
Minimum [Member] \| Other (5 to 20 years)
Useful Lives	1 year

Estimates, Significant Accounting Policies and Balance Sheet Detials (Amortization expense of intangible assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Depreciation And Amortization [Member]
Reported in depreciation, depletion and amortization expense	$ 321	$ 336	$ 257

Estimates, Significant Accounting Policies and Balance Sheet Detials (Estimated aggregate amortization expense) (Details) $ in Millions	Dec. 31, 2018 USD ($)
ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL
2019	$ 346
2020	345
2021	342
2022	325
2023	$ 319

Estimates, Significant Accounting Policies and Balance Sheet Detials (Changes in the carrying amount of goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill, Beginning Balance	$ 4,729	$ 5,631
Goodwill acquired	495	12
Goodwill, Transfers	0
Impairment losses	(378)	(895)
Other	39	(19)
Goodwill, Ending Balance	4,885	4,729	$ 5,631
Intrastate Transportation And Storage [Member]
Goodwill, Beginning Balance	10	10
Goodwill acquired	0	0
Goodwill, Transfers	0
Impairment losses	0	0
Other	0	0
Goodwill, Ending Balance	10	10	10
Interstate Transportation and Storage [Member]
Goodwill, Beginning Balance	196	458
Goodwill acquired	0	0
Goodwill, Transfers	0
Impairment losses	0	(262)	(638)
Other	0	0
Goodwill, Ending Balance	196	196	458
Midstream [Member]
Goodwill, Beginning Balance	870	863
Goodwill acquired	0	8
Goodwill, Transfers	0
Impairment losses	378	0	(32)
Other	0	(1)
Goodwill, Ending Balance	492	870	863
Other Segments [Member]
Goodwill, Beginning Balance	363	815
Goodwill acquired	0	0
Goodwill, Transfers	(253)
Impairment losses	0	(452)
Other	39	0
Goodwill, Ending Balance	149	363	815
NGL and refined products transportation and services [Member]
Goodwill, Beginning Balance	693	772
Goodwill acquired	0	0
Goodwill, Transfers	0
Impairment losses	0	(79)
Other	0	0
Goodwill, Ending Balance	693	693	772
Crude oil transportation and services [Member]
Goodwill, Beginning Balance	1,167	1,163
Goodwill acquired	0	4
Goodwill, Transfers	0
Impairment losses	0	0
Other	0	0
Goodwill, Ending Balance	1,167	1,167	1,163
Investment In Sunoco LP [Member]
Goodwill, Beginning Balance	1,430	1,550
Goodwill acquired	129	0
Goodwill, Transfers	0
Impairment losses	0	(387)	(641)
Other	0	(18)
Goodwill, Ending Balance	1,559	1,430	1,550
Investment In USAC [Member]
Goodwill, Beginning Balance	0	0
Goodwill acquired	366	0
Goodwill, Transfers	253
Impairment losses	0	0
Other	0	0
Goodwill, Ending Balance	$ 619	$ 0	$ 0

Estimates, Significant Accounting Policies and Balance Sheet Detials (Accrued and Other Current Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Other Information [Abstract]
Interest payable	$ 503	$ 486
Customer advances and deposits	128	75
Accrued capital expenditures	1,030	1,006
Accrued wages and benefits	283	280
Taxes payable other than income taxes	256	288
Exchanges payable	112	154
Remaining other current liabilities	535	223
Total accrued and other current liabilities	$ 2,847	$ 2,512

Estimates, Significant Accounting Policies and Balance Sheet Detials (Costs and expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Retail Marketing [Member]
Excise Taxes Collected	$ 370	$ 234	$ 243

Acquisitions, Divestitures and Related Transactions (2018 Transactions) (Details) gal in Millions, $ in Millions	1 Months Ended			3 Months Ended								12 Months Ended
	Oct. 31, 2018 shares	Apr. 30, 2018 USD ($) shares	Jan. 22, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2018 USD ($) shares gal	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jan. 31, 2018
Business Acquisition [Line Items]
Long-term Purchase Commitment, Minimum Volume Required \| gal												2,000
Revenues \| $				$ 13,573	$ 14,514	$ 14,118	$ 11,882	$ 11,452	$ 9,984	$ 9,427	$ 9,660	$ 54,087	$ 40,523	$ 31,792
Retail Fuel Outlets															97
Impairment losses \| $												378	895
USAC Transaction [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred \| $		$ 1,700
Payments to Acquire Businesses, Gross \| $		$ 1,230
7-Eleven [Member]
Business Acquisition [Line Items]
Revenues \| $			$ 199										$ 3,200	$ 2,600
Trade Receivables Held-for-sale, Reconciliation to Cash Flow, Period Increase (Decrease) \| $												$ 3,400
Sunoco LP [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	2,263,158
USA Compression Partners, LP [Member] \| USAC Transaction [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction		19,191,351
USA Compression Partners, LP [Member] \| USAC Transaction [Member] \| Class B Units [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction												6,397,965
Sunoco GP [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest	100.00%
USAC [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	12,466,912
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest	100.00%
Lake Charles LNG [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest	100.00%
Energy Transfer LNG Export LLC, ET Crude Oil Terminals LLC, & ETC Illinois LLC [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest	60.00%
ETO [Member] \| Sunoco LP [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	2,874,275
ETO [Member] \| Sunoco GP [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	42,812,389
ETO [Member] \| USAC [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	16,134,903
ETO [Member] \| Lake Charles LNG [Member] \| ETE Merger [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	37,557,815
ET \| USA Compression Partners, LP [Member] \| USAC Transaction [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction		12,466,912
Equity Issued in Business Combination, Fair Value Disclosure \| $		$ 250
USAC GP [Member] \| USA Compression Partners, LP [Member]
Business Acquisition [Line Items]
Sale of Stock, Number of Shares Issued in Transaction		8,000,000
Additional aggregate volumes [Member]
Business Acquisition [Line Items]
Long-term Purchase Commitment, Minimum Volume Required \| gal												500
Sold [Member]
Business Acquisition [Line Items]
Retail Fuel Outlets															51
Currently being marketed [Member]
Business Acquisition [Line Items]
Retail Fuel Outlets															4
7-Eleven Transaction [Member]
Business Acquisition [Line Items]
Retail Fuel Outlets															32
West Texas, Oklahoma and New Mexico [Member]
Business Acquisition [Line Items]
Retail Fuel Outlets															207

Acquisitions, Divestitures and Related Transactions (2017 Transactions) (Details) $ in Millions	1 Months Ended			9 Months Ended	12 Months Ended
	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Sep. 30, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jan. 01, 2018 USD ($)
Business Acquisition [Line Items]
Capital contributions from noncontrolling interest					$ 649	$ 2,202	$ 236
Intangible assets, net					6,000	6,116		$ 6,016
Property, plant and equipment					$ 79,280	$ 70,682
SXL and ETP Merger [Member]
Business Acquisition [Line Items]
Conversion Rate of Units in Merger, Per Unit			1.5
ETO [Member] \| Rover Contribution [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	50.10%
ETO [Member] \| Holdco [Member] \| Rover Contribution [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest		49.90%
Holdco [Member] \| Rover Pipeline LLC [Member] \| Rover Contribution [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest		65.00%
Blackstone [Member] \| Rover Contribution [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	49.90%
Permian Express Partners LLC [Member] \| Sunoco Logistics [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest		88.00%
Capital contributions from noncontrolling interest				$ 988
Intangible assets, net				547
Property, plant and equipment				$ 435
Dakota Access, LLC [Member] \| Energy Transfer Crude Oil Company, LLC [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest		15.00%

Acquisitions, Divestitures and Related Transactions (2016 Transactions) (Details) barrels in Millions	1 Months Ended
	Feb. 28, 2017	Nov. 30, 2016 USD ($) barrels	Oct. 31, 2016 USD ($)	Aug. 31, 2016 USD ($)	Apr. 30, 2016	Dec. 31, 2018 USD ($)	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)	Feb. 01, 2017	Dec. 31, 2016 USD ($)	Nov. 01, 2016 USD ($)	Aug. 01, 2016 USD ($)
Business Acquisition [Line Items]
Property, Plant and Equipment, Net						$ 66,655,000,000	$ 60,764,000,000	$ 60,764,000,000
Goodwill						4,885,000,000		4,729,000,000		$ 5,631,000,000
Intangible assets, net						6,000,000,000	$ 6,016,000,000	6,116,000,000
PennTex Acquisition [Member]
Business Acquisition [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount											$ 0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill											446,000,000
Total consideration, net of cash received											606,000,000
Business Combination, Consideration Transferred		$ 627,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill											$ 177,000,000
Vitol Acquisition [Member]
Business Acquisition [Line Items]
Total consideration, net of cash received		769,000,000
Net Working Capital		13,000,000
Property, Plant and Equipment, Net		286,000,000
Business Combination, Consideration Transferred		760,000,000
Goodwill		251,000,000
Intangible assets, net		$ 313,000,000
Crude Oil Terminal, Capacity, Bbls \| barrels		2
SunVit Pipeline LLC [Member] \| Vitol Acquisition [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		50.00%
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest		100.00%
Sunoco LP [Member] \| Emerge Energy Services [Member]
Business Acquisition [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount												$ 53,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill												56,000,000
Business Combination, Consideration Transferred				$ 171,000,000
Sunoco LP [Member] \| Convenience Stores [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred			$ 55,000,000	$ 114,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill												61,000,000
Bakken Project $2.50 billion Credit Facility due August 2019 [Member] \| Bakken Pipeline [Member]
Business Acquisition [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity												$ 2,500,000,000
Bayou Bridge Pipeline LLC [Member] \| ETO [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest					60.00%
Dakota Access and ETCO [Member] \| Phillips 66 Company [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	25.00%
Dakota Access and ETCO [Member] \| Bakken Pipeline Investments LLC [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	75.00%
Sunoco Logistics [Member] \| Bakken Holdings Company LLC [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	49.00%
ETO [Member] \| Bakken Holdings Company LLC [Member]
Business Acquisition [Line Items]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	100.00%
Bakken Pipeline Investments LLC [Member] \| Bakken Holdings Company LLC [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired									200000000000.00%
Bakken Project $2.50 billion Credit Facility due August 2019 [Member] \| Bakken Project [Member]
Business Acquisition [Line Items]
Revolving credit facilities						$ 2,500,000,000		$ 2,500,000,000

Acquisitions, Divestitures and Related Transactions (Summary of Preliminary Assets And LiabilityAcquired) (Details) - USD ($)
$ in Millions

1 Months Ended

Nov. 30, 2016

Apr. 30, 2018

Nov. 01, 2016

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment

$ 1,332

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill

^[1]

366

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets

2,721

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities

110

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt

1,527

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other

Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value

832

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities

1,639

Business Combination, Cost of Acquired Entity, Purchase Price

250

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents

^[2]

711

Total consideration, net of cash received

(461)

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets

786

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill

$ 222

PennTex Acquisition [Member]

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment

$ 393

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill

177

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets

1,050

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt

164

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other

Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value

236

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities

423

Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination

$ 627

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents

Total consideration, net of cash received

606

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill

$ 446

[1]	None of the goodwill is expected to be deductible for tax purposes. Goodwill recognized from the business combination primarily relates to the value attributed to additional growth opportunities, synergies and operating leverage within USAC’s operations.
[2]	Cash received represents cash and cash equivalents held by USAC as of the acquisition date.

Acquisitions, Divestitures and Related Transactions Selected Financial Data (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disposal Group, Including Discontinued Operation, Revenue									$ 349	$ 6,964	$ 5,712
Revenues	$ 13,573	$ 14,514	$ 14,118	$ 11,882	$ 11,452	$ 9,984	$ 9,427	$ 9,660	54,087	40,523	31,792
Operating expenses									3,089	2,644	2,336
Selling, general and administrative									664	568	547
Disposal Group, Including Discontinued Operation, Costs of Goods Sold									305	5,806	4,649
Disposal Group, Including Discontinued Operation, Operating Expense									61	763	744
Disposal Group, Including Discontinued Operation, Depreciation and Amortization									0	34	143
Impairment losses									0	285	447
Disposal Group, Including Discontinued Operation, General and Administrative Expense									7	168	114
Disposal Group, Including Discontinued Operations, Total Costs and Expenses									373	7,056	6,097
Disposal Group, Including Discontinued Operation, Operating Income (Loss)									(24)	(92)	(385)
Disposal Group, Including Discontinued Operation, Interest Expense									2	36	28
Disposal Group, Including Discontinued Operations, Loss on Debt Extinguishment									20	0	0
Losses on extinguishments of debt									(109)	(42)	0
Disposal Group, Including Discontinued Operation, Other Expense									61	1	8
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax									(107)	(129)	(421)
Discontinued Operation, Tax Effect of Discontinued Operation									158	48	41
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest									$ (265)	$ (177)	$ (462)

Acquisitions, Divestitures and Related Transactions Discontinued Operations (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Discontinued Operations and Disposal Groups [Abstract]
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents	$ 0	$ 21
Disposal Group, Including Discontinued Operation, Inventory	0	149
Disposal Group, Including Discontinued Operation, Other Assets, Current	0	16
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	0	1,851
Disposal Group, Including Discontinued Operation, Goodwill	0	796
Disposal Group, Including Discontinued Operation, Intangible Assets	0	477
Disposal Group, Including Discontinued Operation, Other Assets	0	3
Disposal Group, Including Discontinued Operation, Assets	0	3,313
Disposal Group, Including Discontinued Operation, Liabilities	$ 0	$ 75

Advances to and Investments in Unconsolidated Affiliates (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Apr. 30, 2018
Schedule of Investments [Line Items]
Impairment of investments in unconsolidated affiliates	$ 313	$ 308	$ 0	$ 313	$ 308
Impairment losses			431	1,039	1,040
Advances to and investments in unconsolidated affiliates	2,698	3,031	2,636	2,698	3,031
Goodwill	$ 4,729	$ 5,631	$ 4,885	$ 4,729	$ 5,631
FGT
Schedule of Investments [Line Items]
Percentage Ownership Operating Facility			100.00%
Citrus [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
Business Acquisition, Percentage of Voting Interests Acquired			50.00%
FEP [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
Impairment of investments in unconsolidated affiliates			$ 141
MEP [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
RIGS Haynesville Partnership Co. [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage	49.99%			49.99%		50.01%
Impairment losses			$ 185

Advances to and Investments in Unconsolidated Affiliates (Investments in Unconsolidated Affiliates) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliates	$ 344	$ 144	$ 270
Advances to and investments in unconsolidated affiliates	2,636	2,698	3,031
Citrus [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliates	141	144	102
Advances to and investments in unconsolidated affiliates	1,737	1,754
FEP [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliates	55	53	51
Advances to and investments in unconsolidated affiliates	107	121
MEP [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliates	31	38	40
Advances to and investments in unconsolidated affiliates	225	242
RIGS Haynesville Partnership Co. [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliates	3	(168)	31
Advances to and investments in unconsolidated affiliates	0	28
Other Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliates	114	77	$ 46
Advances to and investments in unconsolidated affiliates	$ 567	$ 553

- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References + Details

Advances to and Investments in Unconsolidated Affiliates (Summarized Financial Information) (Details) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Investments in and Advances to Affiliates [Line Items]

Revenue

$ 1,249

^[1]

$ 1,358

$ 1,164

Operating income

723

^[1]

407

714

Net income

460

^[1]

145

$ 384

Current assets

212

206

Property, plant and equipment, net

7,800

8,437

Other assets

Total assets

8,051

8,686

Current liabilities

1,534

861

Non-current liabilities

3,439

4,492

Equity

3,078

3,333

Total liabilities and equity

$ 8,051

$ 8,686

[1]	Selected balance sheet data as of December 31, 2018 does not include HPC and selected income data related to HPC for the year ended December 31, 2018 reflects HPC’s results for January 1, 2018 through March 31, 2018. HPC was fully consolidated beginning April 1, 2018 as discussed above.

Debt Obligations (Narrative) (Details)
$ in Millions

1 Months Ended

12 Months Ended

Jan. 31, 2019

USD ($)

Oct. 31, 2018

USD ($)

Jun. 30, 2018

USD ($)

Feb. 28, 2018

Jan. 31, 2018

USD ($)

Dec. 31, 2018

USD ($)

Dec. 31, 2017

USD ($)

Dec. 31, 2016

USD ($)

Mar. 31, 2018

USD ($)

Unamortized Discounts, Premiums, Fair Value Adjustments and Deferred Debt Issuance Costs

$ (190)

Proceeds from Issuance of Senior Long-term Debt

40,508

$ 37,384

$ 2,960

$ 2,200

Line of Credit Facility, Increase (Decrease), Net

1,650

Proceeds from borrowings

28,538

29,389

$ 25,560

$ 1,000

Repayments of Long-term Debt

$ 27,297

29,387

$ 18,866

Supplementary Leverage Ratio

338.00%

ETO [Member]

Maximum Leverage Ratio Permitted

$ 32,288

29,210

Leverage Ratio Maximum

5.0

5.5

Panhandle [Member]

$ 399

813

Stock Repurchased During Period, Shares | shares

2,984

4,287

17,286,859

1,759

725

1,050

Bakken Project [Member]

Sunoco LP $1.5 billion Revolving Credit Facility due July 2023 [Member]

$ 2,497

2,492

Debt Instrument, Covenant Description

Sunoco LP’s Credit Facility requires Sunoco LP to maintain a Net Leverage Ratio of not more than 5.5 to 1. The maximum Net Leverage Ratio is subject to upwards adjustment of not more than 6.0 to 1 for a period not to exceed three fiscal quarters in the event Sunoco LP engages in certain specified acquisitions of not less than $50 million (as permitted under Sunoco LP’s Credit Facility agreement). The Sunoco LP Credit Facility also requires Sunoco LP to maintain an Interest Coverage Ratio (as defined in the Sunoco LP’s Credit Facility agreement) of not less than 2.25 to 1.

Sunoco LP $1.5 billion Revolving Credit Facility due July 2023 [Member] | Sunoco LP [Member]

Weighted average interest rate on the total amount outstanding

$ 700

4.45%

Line of Credit Facility, Current Borrowing Capacity

$ 1,500

Letters of Credit Outstanding, Amount

Line of Credit Facility, Remaining Borrowing Capacity

$ 792

USAC Credit Facility, due 2023 [Member]

Debt Instrument, Covenant Description

Minimum interest coverage ratio

2.5

USAC Credit Facility, due 2023 [Member] | USA Compression Partners, LP [Member]

Line of Credit Facility, Current Borrowing Capacity

$ 1,600

USAC Credit Facility, due 2023 [Member] | USAC [Member]

Weighted average interest rate on the total amount outstanding

$ 1,050

4.69%

Letters of Credit Outstanding, Amount

$ 0

Line of Credit Facility, Remaining Borrowing Capacity

550

9.70% Senior Notes due March 15, 2019 | ETO [Member]

^[1]

$ 400

400

9.70%

9.00% Senior Notes due April 15, 2019 | ETO [Member]

Mar. 15, 2019

^[1]

$ 450

450

9.00%

8.125% Senior Notes due June 1, 2019 | Panhandle [Member]

Apr. 15, 2019

$ 150

150

8.125%

2.50% Senior Notes due June 15, 2018 (1) | ETO [Member]

Jun. 01, 2019

$ 650

$ 0

650

2.50%

7.00% Senior Notes due June 15, 2018 | Panhandle [Member]

Jun. 15, 2018

$ 400

$ 0

400

7.00%

6.70% Senior Notes due July 1, 2018 (1) | ETO [Member]

Jun. 15, 2018

$ 600

$ 0

600

6.70%

4.25% Senior Notes due April 1, 2024 | ETO [Member]

Jul. 01, 2018

5.30% Senior Notes due April 1, 2044 | ETO [Member]

$ 500

500

$ 700

700

5.30%

3.45% Senior Notes due January 15, 2023 | ETO [Member]

Apr. 01, 2044

$ 350

350

3.45%

4.95% Senior Notes due January 15, 2043 | ETO [Member]

Jan. 15, 2023

$ 350

350

4.95%

3.60% Senior Notes due February 1, 2023 | ETO [Member]

Jan. 15, 2043

$ 800

800

3.60%

5.15% Senior Notes due February 1, 2043 | ETO [Member]

Feb. 01, 2023

$ 450

450

5.15%

5.35% Senior Notes due May 15, 2045 | ETO [Member]

Feb. 01, 2043

$ 800

800

5.35%

5.95% Senior Notes due December 1, 2025 | ETO [Member]

May 15, 2045

$ 400

400

5.95%

Floating Rate Junior Subordinated Notes due November 1, 2066 | ETO [Member]

Dec. 01, 2025

$ 546

546

Debt Instrument, Interest Rate, Effective Percentage

Nov. 01, 2066

5.559%

Floating Rate Junior Subordinated Notes due November 1, 2066 | Panhandle [Member]

Debt Instrument, Interest Rate Terms

variable rate based upon the three-month LIBOR rate plus 3.0175%

$ 54

ETP Credit Facility due December 2022 [Member] | ETO [Member]

Nov. 01, 2066

Long-term Commercial Paper, Noncurrent

$ 3,694

2,292

$ 2,340

Weighted average interest rate on the total amount outstanding

3.57%

Line of Credit Facility, Current Borrowing Capacity

$ 4,000

$ 5,000

Letters of Credit Outstanding, Amount

Line of Credit Facility, Remaining Borrowing Capacity

1,240

3.90% Senior Notes due July 15, 2026 | ETO [Member]

$ 550

550

3.90%

Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

Jul. 15, 2026

Line of Credit Facility, Maximum Borrowing Capacity

$ 0

$ 1,000

Bakken Project $2.50 billion Credit Facility due August 2019 [Member]

Minimum debt service coverage ratio

1.20

Bakken Project $2.50 billion Credit Facility due August 2019 [Member] | Bakken Project [Member]

Weighted average interest rate on the total amount outstanding

$ 2,500

2,500

4.27%

Line of Credit Facility, Current Borrowing Capacity

$ 2,500

4.20% Senior Notes due 2023 [Member] | ETO [Member]

$ 500

500

4.95% Senior Notes due 2028 [Member] | ETO [Member]

4.20%

$ 1,000

4.95%

5.80% Senior Notes due 2038 [Member] | ETO [Member]

Jun. 15, 2028

$ 500

5.80%

6.0% Senior Notes due 2048 [Member] | ETO [Member]

Jun. 15, 2038

$ 1,000

6.00%

4.875% senior notes due 2023 [Member] | Sunoco LP [Member]

Jun. 15, 2048

$ 1,000

4.875%

Debt Instrument, Interest Rate, Effective Percentage

Jan. 15, 2023

4.875%

5.500% senior notes due 2026 [Member] | Sunoco LP [Member]

$ 800

5.50%

Debt Instrument, Interest Rate, Effective Percentage

Feb. 15, 2023

5.50%

5.875% senior notes due 2028 [Member] | Sunoco LP [Member]

$ 400

5.875%

Debt Instrument, Interest Rate, Effective Percentage

Mar. 15, 2023

5.875%

6.25% Senior Notes due 2021 [Member] | Sunoco LP [Member]

$ 800

$ 0

800

6.25%

Debt Instrument, Interest Rate, Effective Percentage

Apr. 15, 2021

6.25%

5.5% Senior Notes due August 2020 [Member] | Sunoco LP [Member]

$ 600

$ 0

600

5.50%

Debt Instrument, Interest Rate, Effective Percentage

Aug. 01, 2020

5.50%

6.375% Senior Notes due April 2023 [Member] | Sunoco LP [Member]

$ 800

$ 0

$ 800

6.375%

Debt Instrument, Interest Rate, Effective Percentage

Apr. 01, 2023

6.375%

6.875% Senior notes due April 2026 [Member] | USA Compression Partners, LP [Member]

Debt Instrument, Interest Rate, Effective Percentage

Apr. 01, 2026

6.875%

6.875% Senior notes due April 2026 [Member] | USAC [Member]

$ 725

Maximum [Member] | ETP Credit Facility due December 2022 [Member] | ETO [Member]

6.875%

Maximum [Member] | Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

0.30%

Minimum [Member] | ETP Credit Facility due December 2022 [Member] | ETO [Member]

0.225%

Minimum [Member] | Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

0.125%

Accordion feature [Member] | USAC Credit Facility, due 2023 [Member] | USA Compression Partners, LP [Member]

0.125%

Accordion feature [Member] | ETP Credit Facility due December 2022 [Member] | ETO [Member]

$ 400

Line of Credit Facility, Current Borrowing Capacity

$ 6,000

Eurodollar [Member] | Maximum [Member]

Eurodollar [Member] | Maximum [Member] | Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

2.00%

Eurodollar [Member] | Minimum [Member] | ETP Credit Facility due December 2022 [Member] | ETO [Member]

1.75%

Eurodollar [Member] | Minimum [Member] | Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

1.125%

Base Rate Loans [Member] | Maximum [Member] | ETP Credit Facility due December 2022 [Member] | ETO [Member]

1.125%

Base Rate Loans [Member] | Maximum [Member] | Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

1.00%

Base Rate Loans [Member] | Minimum [Member] | ETP Credit Facility due December 2022 [Member] | ETO [Member]

0.75%

Base Rate Loans [Member] | Minimum [Member] | Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

0.125%

Subsequent Event [Member]

0.25%

Proceeds from Issuance of Senior Long-term Debt

$ 3,960

Subsequent Event [Member] | 9.70% Senior Notes due March 15, 2019 | ETO [Member]

9.70%

Subsequent Event [Member] | 9.00% Senior Notes due April 15, 2019 | ETO [Member]

$ 400

9.00%

Subsequent Event [Member] | 8.125% Senior Notes due June 1, 2019 | Panhandle [Member]

$ 450

8.125%

Subsequent Event [Member] | 4.5% Senior Notes due 2024 [Member] | ETO [Member]

$ 150

$ 750

Subsequent Event [Member] | 5.25% Senior Notes due 2029 [Member] | ETO [Member]

4.50%

$ 1,500

Subsequent Event [Member] | 6.25% Senior Notes due 2049 [Member] | ETO [Member]

5.25%

$ 1,750

6.25%

[1]	As of December 31, 2018, these notes were classified as long-term as management had the intent and ability to refinance the borrowings on a long-term basis. The notes were refinanced in January 2019, as discussed below.

Debt Obligations (Debt Instruments) (Details) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2018

Jun. 30, 2018

Jan. 31, 2018

Dec. 31, 2017

Less: Current maturities of long-term debt

$ 40,508

$ 37,384

Other

(2,655)

(413)

Long-term debt, less current maturities

37,853

36,971

ETO [Member]

Unamortized premiums, discounts and fair value adjustments, net

(178)

(170)

32,288

29,210

Transwestern [Member]

(1)

Unamortized premiums, discounts and fair value adjustments, net

574

Panhandle [Member]

399

813

Bakken Project [Member]

(3)

(8)

2,497

2,492

Capital Lease Obligations

107

113

(23)

(34)

2,984

4,287

725

1,050

(16)

2.50% Senior Notes due June 15, 2018 (1) | ETO [Member]

1,759

$ 0

$ 650

650

2.50%

6.70% Senior Notes due July 1, 2018 (1) | ETO [Member]

Jun. 15, 2018

$ 0

$ 600

600

6.70%

9.70% Senior Notes due March 15, 2019 | ETO [Member]

Jul. 01, 2018

^[1]

$ 400

400

9.70%

9.00% Senior Notes due April 15, 2019 | ETO [Member]

Mar. 15, 2019

^[1]

$ 450

450

9.00%

4.15% Senior Notes due October 1, 2020 | ETO [Member]

Apr. 15, 2019

$ 1,050

1,050

4.15%

4.65% Senior Notes due June 1, 2021 | ETO [Member]

Oct. 01, 2020

$ 800

800

4.65%

5.20% Senior Notes due February 1, 2022 | ETO [Member]

Jun. 01, 2021

$ 1,000

1,000

5.20%

3.60% Senior Notes due February 1, 2023 | ETO [Member]

Feb. 01, 2022

$ 800

800

3.60%

4.20% Senior Notes due 2023 [Member] | ETO [Member]

Feb. 01, 2023

$ 500

4.90% Senior Notes due February 1, 2024 | ETO [Member]

4.20%

$ 350

350

4.90%

7.60% Senior Notes due February 1, 2024 | ETO [Member]

Feb. 01, 2024

$ 277

277

7.60%

7.60% Senior Notes due February 1, 2024 | Panhandle [Member]

Feb. 01, 2024

$ 82

7.60%

4.05% Senior Notes due March 15, 2025 | ETO [Member]

Feb. 01, 2024

$ 1,000

1,000

4.05%

4.75% Senior Notes due January 15, 2026 | ETO [Member]

Mar. 15, 2025

$ 1,000

1,000

4.75%

4.20% Senior Notes due April 2027 [Member] | ETO [Member]

Jan. 15, 2026

$ 600

600

4.20%

8.25% Senior Notes due November 15, 2029 | ETO [Member]

Apr. 15, 2027

$ 267

267

8.25%

8.25% Senior Notes due November 15, 2029 | Panhandle [Member]

Nov. 15, 2029

$ 33

8.25%

4.90% Senior Notes due March 15, 2035 | ETO [Member]

Nov. 14, 2029

$ 500

500

4.90%

6.625% Senior Notes due October 15, 2036 | ETO [Member]

Mar. 15, 2035

$ 400

400

6.625%

5.80% Senior Notes due 2038 [Member] | ETO [Member]

Oct. 15, 2036

$ 500

5.80%

7.50% Senior Notes due July 1, 2038 | ETO [Member]

Jun. 15, 2038

$ 550

550

7.50%

6.05% Senior Notes due June 1, 2041 | ETO [Member]

Jul. 01, 2038

$ 700

700

6.05%

6.50% Senior Notes due February 1, 2042 | ETO [Member]

Jun. 01, 2041

$ 1,000

1,000

6.50%

5.15% Senior Notes due February 1, 2043 | ETO [Member]

Feb. 01, 2042

$ 450

450

5.15%

5.95% Senior Notes due October 1, 2043 | ETO [Member]

Feb. 01, 2043

$ 450

450

5.95%

5.15% Senior Notes due March 15, 2045 | ETO [Member]

Oct. 01, 2043

$ 1,000

1,000

5.15%

6.125% Senior Notes due December 15, 2045 | ETO [Member]

Mar. 15, 2045

$ 1,000

1,000

6.125%

5.30% Senior Notes due April 2047 [Member] | ETO [Member]

Dec. 15, 2045

$ 900

900

5.30%

Floating Rate Junior Subordinated Notes due November 1, 2066 | ETO [Member]

Apr. 15, 2047

$ 546

546

Debt Instrument, Interest Rate, Effective Percentage

Nov. 01, 2066

5.559%

Floating Rate Junior Subordinated Notes due November 1, 2066 | Panhandle [Member]

$ 54

ETP Credit Facility due December 2022 [Member] | ETO [Member]

Nov. 01, 2066

5.36% Senior Notes due December 9, 2020 | Transwestern [Member]

$ 3,694

2,292

$ 175

175

5.36%

5.89% Senior Notes due May 24, 2022 | Transwestern [Member]

Dec. 09, 2020

$ 150

150

5.89%

5.66% Senior Notes due December 9, 2024 | Transwestern [Member]

May 24, 2022

$ 175

175

5.66%

6.16% Senior Notes due May 24, 2037 | Transwestern [Member]

Dec. 09, 2024

$ 75

6.16%

7.00% Senior Notes due June 15, 2018 | Panhandle [Member]

May 24, 2037

$ 0

$ 400

400

7.00%

8.125% Senior Notes due June 1, 2019 | Panhandle [Member]

Jun. 15, 2018

$ 150

150

8.125%

7.00% Senior Notes due July 15, 2029 | Panhandle [Member]

Jun. 01, 2019

$ 66

7.00%

9.00% Debentures due November 1, 2024 | ETO [Member]

Jul. 15, 2029

Subordinated Debt

$ 65

5.50% Senior Notes due February 15, 2020 | ETO [Member]

$ 250

250

5.50%

4.40% Senior Notes due April 1, 2021 | ETO [Member]

Feb. 15, 2020

$ 600

600

4.40%

4.65% Senior Notes due February 15, 2022 | ETO [Member]

Apr. 01, 2021

$ 300

300

4.65%

3.45% Senior Notes due January 15, 2023 | ETO [Member]

Feb. 15, 2022

$ 350

350

3.45%

4.25% Senior Notes due April 1, 2024 | ETO [Member]

Jan. 15, 2023

5.95% Senior Notes due December 1, 2025 | ETO [Member]

$ 500

500

$ 400

400

5.95%

3.90% Senior Notes due July 15, 2026 | ETO [Member]

Dec. 01, 2025

$ 550

550

3.90%

4.00% Senior Notes due October 1, 2027 [Member] | ETO [Member]

Jul. 15, 2026

$ 750

750

4.00%

4.95% Senior Notes due 2028 [Member] | ETO [Member]

Oct. 01, 2027

$ 1,000

4.95%

6.85% Senior Notes due February 15, 2040 | ETO [Member]

Jun. 15, 2028

$ 250

250

6.85%

6.10% Senior Notes due February 15, 2042 | ETO [Member]

Feb. 15, 2040

$ 300

300

6.10%

4.95% Senior Notes due January 15, 2043 | ETO [Member]

Feb. 15, 2042

$ 350

350

4.95%

5.30% Senior Notes due April 1, 2044 | ETO [Member]

Jan. 15, 2043

$ 700

700

5.30%

5.35% Senior Notes due May 15, 2045 | ETO [Member]

Apr. 01, 2044

$ 800

800

5.35%

5.40% Senior Notes due October 1, 2047 [Member] | ETO [Member]

May 15, 2045

$ 1,500

1,500

5.40%

6.0% Senior Notes due 2048 [Member] | ETO [Member]

Oct. 01, 2047

$ 1,000

6.00%

5.75% Senior Notes due September 1, 2020 | ETO [Member]

Jun. 15, 2048

$ 400

400

5.75%

5.875% Senior Notes due March 1, 2022 | ETO [Member]

Sep. 01, 2020

$ 900

900

5.875%

5.00% Senior Notes due October 1, 2022 | ETO [Member]

Mar. 01, 2022

$ 700

700

5.00%

4.50% Senior Notes due November 1, 2023 | ETO [Member]

Oct. 01, 2022

$ 600

600

4.50%

Sunoco Logistics $1.0 billion 364-day Credit Facility due December 2017 [Member] | ETO [Member]

Nov. 01, 2023

Bakken Project $2.50 billion Credit Facility due August 2019 [Member] | Bakken Project [Member]

$ 0

4.875% senior notes due 2023 [Member] | Sunoco LP [Member]

2,500

$ 1,000

4.875%

Debt Instrument, Interest Rate, Effective Percentage

Jan. 15, 2023

4.875%

5.500% senior notes due 2026 [Member] | Sunoco LP [Member]

$ 800

5.50%

Debt Instrument, Interest Rate, Effective Percentage

Feb. 15, 2023

5.50%

5.875% senior notes due 2028 [Member] | Sunoco LP [Member]

$ 400

5.875%

Debt Instrument, Interest Rate, Effective Percentage

Mar. 15, 2023

5.875%

5.5% Senior Notes due August 2020 [Member] | Sunoco LP [Member]

$ 0

$ 600

600

5.50%

Debt Instrument, Interest Rate, Effective Percentage

Aug. 01, 2020

5.50%

6.375% Senior Notes due April 2023 [Member] | Sunoco LP [Member]

$ 0

$ 800

800

6.375%

Debt Instrument, Interest Rate, Effective Percentage

Apr. 01, 2023

6.375%

6.25% Senior Notes due 2021 [Member] | Sunoco LP [Member]

$ 0

$ 800

800

6.25%

Debt Instrument, Interest Rate, Effective Percentage

Apr. 15, 2021

6.25%

Sunoco LP $1.5 billion Revolving Credit Facility due July 2023 [Member] | Sunoco LP [Member]

Sunoco LP $1.5 Billion Revolving Credit Facility Due September 2019 [Member] | Sunoco LP [Member]

$ 700

Term loan due 2019 [Member] | Sunoco LP [Member]

765

$ 0

$ 1,243

[1]	As of December 31, 2018, these notes were classified as long-term as management had the intent and ability to refinance the borrowings on a long-term basis. The notes were refinanced in January 2019, as discussed below.

Debt Obligations Debt Instruments (Parenthetical) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Jun. 30, 2018	Jan. 31, 2018	Dec. 31, 2017
ETO [Member]
Deferred Finance Costs, Noncurrent, Net	$ 178			$ 170
Transwestern [Member]
Deferred Finance Costs, Noncurrent, Net	1			1
Sunoco LP [Member]
Deferred Finance Costs, Noncurrent, Net	23			34
USA Compression Partners, LP [Member]
Deferred Finance Costs, Noncurrent, Net	$ 16			$ 0
5.95% Senior Notes due December 1, 2025 \| ETO [Member]
Senior note interest rate	5.95%
Debt instrument maturity date	Dec. 01, 2025
3.90% Senior Notes due July 15, 2026 \| ETO [Member]
Senior note interest rate	3.90%
Debt instrument maturity date	Jul. 15, 2026
4.00% Senior Notes due October 1, 2027 [Member] \| ETO [Member]
Senior note interest rate	4.00%
Debt instrument maturity date	Oct. 01, 2027
4.95% Senior Notes due 2028 [Member] \| ETO [Member]
Senior note interest rate	4.95%	4.95%
Debt instrument maturity date	Jun. 15, 2028
6.85% Senior Notes due February 15, 2040 \| ETO [Member]
Senior note interest rate	6.85%
Debt instrument maturity date	Feb. 15, 2040
5.30% Senior Notes due April 1, 2044 \| ETO [Member]
Senior note interest rate	5.30%
Debt instrument maturity date	Apr. 01, 2044
5.35% Senior Notes due May 15, 2045 \| ETO [Member]
Senior note interest rate	5.35%
Debt instrument maturity date	May 15, 2045
2.50% Senior Notes due June 15, 2018 (1) \| ETO [Member]
Senior note interest rate	2.50%	2.50%
Debt instrument maturity date	Jun. 15, 2018
6.70% Senior Notes due July 1, 2018 (1) \| ETO [Member]
Senior note interest rate	6.70%	6.70%
Debt instrument maturity date	Jul. 01, 2018
9.70% Senior Notes due March 15, 2019 \| ETO [Member]
Senior note interest rate	9.70%
Debt instrument maturity date	Mar. 15, 2019
9.00% Senior Notes due April 15, 2019 \| ETO [Member]
Senior note interest rate	9.00%
Debt instrument maturity date	Apr. 15, 2019
5.75% Senior Notes due September 1, 2020 \| ETO [Member]
Senior note interest rate	5.75%
Debt instrument maturity date	Sep. 01, 2020
4.15% Senior Notes due October 1, 2020 [Member] \| ETO [Member]
Senior note interest rate	4.15%
Debt instrument maturity date	Oct. 01, 2020
4.65% Senior Notes due June 1, 2021 \| ETO [Member]
Senior note interest rate	4.65%
Debt instrument maturity date	Jun. 01, 2021
5.20% Senior Notes due February 1, 2022 \| ETO [Member]
Senior note interest rate	5.20%
Debt instrument maturity date	Feb. 01, 2022
5.875% Senior Notes due March 1, 2022 \| ETO [Member]
Senior note interest rate	5.875%
Debt instrument maturity date	Mar. 01, 2022
5.00% Senior Notes due October 1, 2022 \| ETO [Member]
Senior note interest rate	5.00%
Debt instrument maturity date	Oct. 01, 2022
3.60% Senior Notes due February 1, 2023 \| ETO [Member]
Senior note interest rate	3.60%
Debt instrument maturity date	Feb. 01, 2023
4.25% Senior Notes due March 15, 2023 [Member] \| ETO [Member]
Senior note interest rate	4.20%
Debt instrument maturity date	Sep. 15, 2023
4.50% Senior Notes due November 1, 2023 \| ETO [Member]
Senior note interest rate	4.50%
Debt instrument maturity date	Nov. 01, 2023
4.90% Senior Notes due February 1, 2024 \| ETO [Member]
Senior note interest rate	4.90%
Debt instrument maturity date	Feb. 01, 2024
7.60% Senior Notes due February 1, 2024 \| ETO [Member]
Senior note interest rate	7.60%
Debt instrument maturity date	Feb. 01, 2024
7.60% Senior Notes due February 1, 2024 \| Panhandle [Member]
Senior note interest rate	7.60%
Debt instrument maturity date	Feb. 01, 2024
4.05% Senior Notes due March 15, 2025 \| ETO [Member]
Senior note interest rate	4.05%
Debt instrument maturity date	Mar. 15, 2025
4.75% Senior Notes due January 15, 2026 \| ETO [Member]
Senior note interest rate	4.75%
Debt instrument maturity date	Jan. 15, 2026
4.20% Senior Notes due April 2027 [Member] \| ETO [Member]
Senior note interest rate	4.20%
Debt instrument maturity date	Apr. 15, 2027
8.25% Senior Notes due November 15, 2029 \| ETO [Member]
Senior note interest rate	8.25%
Debt instrument maturity date	Nov. 15, 2029
8.25% Senior Notes due November 15, 2029 \| Panhandle [Member]
Senior note interest rate	8.25%
Debt instrument maturity date	Nov. 14, 2029
6.625% Senior Notes due October 15, 2036 \| ETO [Member]
Senior note interest rate	6.625%
Debt instrument maturity date	Oct. 15, 2036
5.80% Senior Notes due 2038 [Member] \| ETO [Member]
Senior note interest rate	5.80%	5.80%
Debt instrument maturity date	Jun. 15, 2038
4.90% Senior Notes due March 15, 2035 \| ETO [Member]
Senior note interest rate	4.90%
Debt instrument maturity date	Mar. 15, 2035
7.50% Senior Notes due July 1, 2038 \| ETO [Member]
Senior note interest rate	7.50%
Debt instrument maturity date	Jul. 01, 2038
6.05% Senior Notes due June 1, 2041 \| ETO [Member]
Senior note interest rate	6.05%
Debt instrument maturity date	Jun. 01, 2041
6.50% Senior Notes due February 1, 2042 \| ETO [Member]
Senior note interest rate	6.50%
Debt instrument maturity date	Feb. 01, 2042
5.15% Senior Notes due February 1, 2043 \| ETO [Member]
Senior note interest rate	5.15%
Debt instrument maturity date	Feb. 01, 2043
5.95% Senior Notes due October 1, 2043 \| ETO [Member]
Senior note interest rate	5.95%
Debt instrument maturity date	Oct. 01, 2043
5.15% Senior Notes due March 15, 2045 \| ETO [Member]
Senior note interest rate	5.15%
Debt instrument maturity date	Mar. 15, 2045
6.125% Senior Notes due December 15, 2045 \| ETO [Member]
Senior note interest rate	6.125%
Debt instrument maturity date	Dec. 15, 2045
5.30% Senior Notes due April 2047 [Member] \| ETO [Member]
Senior note interest rate	5.30%
Debt instrument maturity date	Apr. 15, 2047
Floating Rate Junior Subordinated Notes due November 1, 2066 \| ETO [Member]
Debt instrument maturity date	Nov. 01, 2066
Debt Instrument, Interest Rate, Effective Percentage	5.559%
Floating Rate Junior Subordinated Notes due November 1, 2066 \| Panhandle [Member]
Debt instrument maturity date	Nov. 01, 2066
4.875% senior notes due 2023 [Member] \| Sunoco LP [Member]
Senior note interest rate			4.875%
Debt instrument maturity date	Jan. 15, 2023
Debt Instrument, Interest Rate, Effective Percentage	4.875%
5.500% senior notes due 2026 [Member] \| Sunoco LP [Member]
Senior note interest rate			5.50%
Debt instrument maturity date	Feb. 15, 2023
Debt Instrument, Interest Rate, Effective Percentage	5.50%
5.875% senior notes due 2028 [Member] \| Sunoco LP [Member]
Senior note interest rate			5.875%
Debt instrument maturity date	Mar. 15, 2023
Debt Instrument, Interest Rate, Effective Percentage	5.875%
5.36% Senior Notes due December 9, 2020 \| Transwestern [Member]
Senior note interest rate	5.36%
Debt instrument maturity date	Dec. 09, 2020
5.89% Senior Notes due May 24, 2022 \| Transwestern [Member]
Senior note interest rate	5.89%
Debt instrument maturity date	May 24, 2022
5.66% Senior Notes due December 9, 2024 \| Transwestern [Member]
Senior note interest rate	5.66%
Debt instrument maturity date	Dec. 09, 2024
6.16% Senior Notes due May 24, 2037 \| Transwestern [Member]
Senior note interest rate	6.16%
Debt instrument maturity date	May 24, 2037
7.00% Senior Notes due June 15, 2018 \| Panhandle [Member]
Senior note interest rate	7.00%	7.00%
Debt instrument maturity date	Jun. 15, 2018
8.125% Senior Notes due June 1, 2019 \| Panhandle [Member]
Senior note interest rate	8.125%
Debt instrument maturity date	Jun. 01, 2019
7.00% Senior Notes due July 15, 2029 \| Panhandle [Member]
Senior note interest rate	7.00%
Debt instrument maturity date	Jul. 15, 2029
5.50% Senior Notes due February 15, 2020 \| ETO [Member]
Senior note interest rate	5.50%
Debt instrument maturity date	Feb. 15, 2020
4.40% Senior Notes due April 1, 2021 \| ETO [Member]
Senior note interest rate	4.40%
Debt instrument maturity date	Apr. 01, 2021
4.65% Senior Notes due February 15, 2022 \| ETO [Member]
Senior note interest rate	4.65%
Debt instrument maturity date	Feb. 15, 2022
3.45% Senior Notes due January 15, 2023 \| ETO [Member]
Senior note interest rate	3.45%
Debt instrument maturity date	Jan. 15, 2023
6.10% Senior Notes due February 15, 2042 \| ETO [Member]
Senior note interest rate	6.10%
Debt instrument maturity date	Feb. 15, 2042
4.95% Senior Notes due January 15, 2043 \| ETO [Member]
Senior note interest rate	4.95%
Debt instrument maturity date	Jan. 15, 2043
5.40% Senior Notes due October 1, 2047 [Member] \| ETO [Member]
Senior note interest rate	5.40%
Debt instrument maturity date	Oct. 01, 2047
6.0% Senior Notes due 2048 [Member] \| ETO [Member]
Senior note interest rate	6.00%	6.00%
Debt instrument maturity date	Jun. 15, 2048
5.5% Senior Notes due August 2020 [Member] \| Sunoco LP [Member]
Senior note interest rate			5.50%
Debt instrument maturity date	Aug. 01, 2020
Debt Instrument, Interest Rate, Effective Percentage	5.50%
6.375% Senior Notes due April 2023 [Member] \| Sunoco LP [Member]
Senior note interest rate			6.375%
Debt instrument maturity date	Apr. 01, 2023
Debt Instrument, Interest Rate, Effective Percentage	6.375%
6.25% Senior Notes due 2021 [Member] \| Sunoco LP [Member]
Senior note interest rate			6.25%
Debt instrument maturity date	Apr. 15, 2021
Debt Instrument, Interest Rate, Effective Percentage	6.25%
6.875% Senior notes due April 2026 [Member] \| USA Compression Partners, LP [Member]
Debt instrument maturity date	Apr. 01, 2026
Debt Instrument, Interest Rate, Effective Percentage	6.875%

Debt Obligations (Future maturities of long-term debt) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Debt Obligations [Abstract]
2019	$ 3,505
2020	1,881
2021	1,406
2022	5,505
2023	6,255
Thereafter	22,146
Long-term Debt	40,508	$ 37,384
Long-term Debt, Gross	$ 40,698

Redeemable Noncontrolling Interest (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Apr. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Apr. 02, 2018
Redeemable noncontrolling interests		$ 499	$ 21
Payments for Repurchase of Preferred Stock and Preference Stock		0	53	$ 0
Preferred units issued for cash		867	$ 1,479	$ 0
USAC [Member]
Redeemable noncontrolling interests		477
ETO [Member]
Redeemable noncontrolling interests		$ 22
Preferred Units [Member] \| USAC [Member]
Preferred Units, Issued					500,000
Shares Issued, Price Per Share					$ 1,000
Preferred units issued for cash	$ 500
Distribution Made to Limited Partner, Distributions Declared, Per Unit	$ 24.375
Preferred Stock, Redemption Terms		In addition, at any time on or after the tenth anniversary of the issue date, the holders of the USAC Preferred Units will have the right to require USAC to redeem all or any portion of the USAC Preferred Units, and the Partnership may elect to pay up to 50% of such redemption amount in USAC common units.

Equity (Narrative) (Details) $ / shares in Units, $ in Millions	1 Months Ended								3 Months Ended			6 Months Ended	12 Months Ended
	Oct. 31, 2018 shares	Jul. 31, 2018 $ / shares	Apr. 30, 2018 USD ($) $ / shares shares	Feb. 28, 2018 USD ($) shares	Jan. 31, 2018 USD ($)	Nov. 30, 2017 $ / shares shares	Apr. 30, 2017 shares	Feb. 28, 2017	Mar. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 $ / shares	Mar. 31, 2016 shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($) shares	Apr. 02, 2018 $ / shares shares	Jun. 30, 2017 $ / shares	Feb. 01, 2017	Oct. 31, 2016 USD ($)	Oct. 05, 2012 shares
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Reclassification Adjustments, after Tax \| $													$ 2.0
Common units issued for cash \| $													$ 58.0	$ 2,283.0	$ 1,098.0
Class E Units entitled to aggregate cash distributions													11.10%
Class E unit maximum distribution \| $ / shares													$ 1.41
Partners' Capital Account, Sale of Units \| $													$ 925.0	3,762.0	1,098.0
Class G Unit Distribution Rate													35.00%
Class G Unit Maximum Distribution \| $ / shares													$ 3.75
Payments for Repurchase of Common Stock \| $													$ 24.0	0.0	0.0
Payments for Repurchase of Preferred Stock and Preference Stock \| $													$ 0.0	53.0	0.0
PennTex [Member]
Sale of Stock, Price Per Share \| $ / shares																	$ 20.00
Sunoco Logistics [Member]
Partners' Capital Account, Units, Sale of Units												24,200,000
Proceeds from Issuance of Common Stock \| $												$ 644.0
Sunoco LP [Member]
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.													28,500,000
Stock Repurchased During Period, Shares				17,286,859
Payments for Repurchase of Common Stock \| $				$ 540.0									$ 300.0	0.0	0.0
Partners' Capital Account, Units, Sold in Private Placement											2,300,000
USAC [Member]
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.													39,700,000
Limited Partners' Capital Account, Units Outstanding													96,400,000
Stock Issued During Period, Value, Dividend Reinvestment Plan \| $													$ 1.0
Stock Issued During Period, Shares, Dividend Reinvestment Plan													39,280
Accumulated Other Comprehensive Income (Loss)
Partners' Capital Account, Sale of Units \| $													$ 0.0	0.0	0.0
SXL and ETP Merger [Member]
Conversion Rate of Units in Merger, Per Unit							1.5
USAC Transaction [Member]
Business Combination, Consideration Transferred \| $			$ 1,700.0
USAC Transaction [Member] \| USA Compression Partners, LP [Member]
Sale of Stock, Number of Shares Issued in Transaction			19,191,351
Class G Units \| ETP Holdco Transaction (see Note 3)
Partners' Capital Account, Units																				90,700,000
Class H Units
Allocation of Profits, Losses and Other by Sunoco, Percent													90.05%
Partners' Capital Account, Units, Redeemed							50,200,000
Class I Units [Member]
Partners' Capital Account, Units, Redeemed	100
Class K Units [Member]
Distribution Made to Limited Partner, Distributions Declared, Per Unit \| $ / shares										$ 0.67275
Common Stock Held by Subsidiary \| $													$ 101.5
Cash Distributions, Percent													1.50%
Class L Units [Member]
Cash Distributions, Percent													7.65%
Series A Preferred Units [Member]
Preferred Stock, Shares Issued						950,000
Preferred Stock, Dividend Rate, Percentage						6.25%
Shares Issued, Price Per Share \| $ / shares						$ 1,000
Preferred Units, Liquidation Spread, Percent						4.028%
Series A Preferred Units [Member] \| Sunoco LP [Member]
Preferred Stock, Dividend Rate, Percentage									10.00%
Preferred Stock, Liquidation Preference Per Share \| $ / shares									$ 25.00
Preferred Units, Liquidation Spread, Percent									8.00%
Preferred Stock Redemption Premium \| $					$ 313.0
Stock Repurchased and Retired During Period, Shares									12,000,000
Call premium on preferred units.					1.00%
Payments for Repurchase of Preferred Stock and Preference Stock \| $					$ 300.0				$ 300.0
Series C Preferred Units [Member]
Preferred Stock, Shares Issued			18,000,000
Preferred Stock, Dividend Rate, Percentage			7.375%
Shares Issued, Price Per Share \| $ / shares			$ 25
Preferred Units, Liquidation Spread, Percent			4.53%
Preferred Stock, Redemption Price Per Share \| $ / shares			$ 25
Series B Preferred Units [Member]
Preferred Stock, Shares Issued						550,000
Preferred Stock, Dividend Rate, Percentage						6.625%
Shares Issued, Price Per Share \| $ / shares						$ 1,000
Preferred Units, Liquidation Spread, Percent						4.155%
Series D Preferred Units [Member]
Preferred Stock, Dividend Rate, Percentage		7.625%
Shares Issued, Price Per Share \| $ / shares		$ 25				$ 25
Preferred Stock, Liquidation Preference Per Share \| $ / shares		$ 17,800,000
Preferred Units, Liquidation Spread, Percent		4.738%
Preferred Stock, Redemption Price Per Share \| $ / shares						$ 25
Common Class C [Member] \| Sunoco LP [Member]
Partners' Capital Account, Units, Sale of Units											16,400,000
Class B Units [Member] \| USA Compression Partners, LP [Member]
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.													6,400,000
Class B Units [Member] \| USAC Transaction [Member] \| USA Compression Partners, LP [Member]
Sale of Stock, Number of Shares Issued in Transaction													6,397,965
Class E Units \| ETO [Member]
Limited Partners' Capital Account, Units Outstanding													8,900,000
Dakota Access and ETCO [Member] \| Phillips 66 Company [Member]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest								25.00%
Dakota Access and ETCO [Member] \| Bakken Pipeline Investments LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest								75.00%
Aloha Petroleum LP [Member] \| Common Class C [Member] \| Sunoco LP [Member]
Partners' Capital Account, Units, Sale of Units											5,200,000
Indirect wholly-owned subsidiary [Member] \| Common Class C [Member] \| Sunoco LP [Member]
Partners' Capital Account, Units, Sale of Units											11,200,000
Bakken Pipeline Investments LLC [Member] \| Bakken Holdings Company LLC [Member]
Business Acquisition, Percentage of Voting Interests Acquired																		200000000000.00%
Sunoco Logistics [Member] \| Bakken Holdings Company LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest								49.00%
ET \| USAC Transaction [Member] \| USA Compression Partners, LP [Member]
Sale of Stock, Number of Shares Issued in Transaction			12,466,912
Strike price of $17.03 [Member] \| USAC [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																5,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares																$ 17.03
Strike price of $19.59 [Member] \| USAC [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																10,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares																$ 19.59
Equity Distribution Program [Member] \| Sunoco LP [Member]
Common units issued for cash \| $														33.0	71.0
Payments for Commissions \| $														$ 0.3	$ 1.0
Partners' Capital Account, Units, Sale of Units													0	1,300,000	2,800,000
Equity Distribution Agreements, Value of Units Available to be Issued \| $													$ 295.0						$ 400.0

Equity (Accumulated other comprehensive income, net of tax) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss), Debt Securities, Available-for-sale, Adjustment, after Tax	$ 2	$ 8
Foreign currency translation adjustment	(5)	(5)
Actuarial gain (loss) related to pensions and other postretirement benefits	(48)	(5)
AOCI attributable to equity method investments	9	5
Total AOCI, net of tax	$ (42)	$ 3

Equity (Tax amounts attributable to Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Equity [Abstract]
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax	$ (1)	$ (2)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	2	3
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	12	3
Other Comprehensive Income (Loss), Tax	$ 13	$ 4

Equity Distribution Targets (Details)	3 Months Ended
Equity Distribution Targets (Details)	Dec. 31, 2018
Minimum Quarterly Distribution [Member]
Distribution Payment Targets	.4375
Minimum Quarterly Distribution [Member] \| IDRs [Member]
Distribution Payment Targets	0
First Target Distribution [Member]
Distribution Payment Targets	$0.4375 to $0.503125
First Target Distribution [Member] \| IDRs [Member]
Distribution Payment Targets	0
Second Target Distribution [Member]
Distribution Payment Targets	$0.503125 to $0.546875
Second Target Distribution [Member] \| IDRs [Member]
Distribution Payment Targets	0.15
Third Target Distribution [Member]
Distribution Payment Targets	$0.546875 to $0.656250
Third Target Distribution [Member] \| IDRs [Member]
Distribution Payment Targets	0.25
Thereafter [Member]
Distribution Payment Targets	Above $0.656250
Thereafter [Member] \| IDRs [Member]
Distribution Payment Targets	0.5

Equity Distributions on Preferred Units (Details) - $ / shares

3 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Dec. 31, 2017

Preferred Units [Member]

Distribution Made to Limited Partner, Date of Record

Feb. 01, 2019

Nov. 01, 2018

Aug. 01, 2018

Feb. 01, 2018

Distribution Made to Limited Partner, Distribution Date

Feb. 15, 2019

Nov. 15, 2018

Aug. 15, 2018

Feb. 15, 2018

Series A Preferred Units [Member]

Distribution Made to Limited Partner, Distributions Paid, Per Unit

^[1]

$ 31.2500

$ 0

$ 31.2500

$ 15.4510

^[2]

Series B Preferred Units [Member]

Distribution Made to Limited Partner, Distributions Paid, Per Unit

^[1]

33.1250

16.3780

^[2]

Series C Preferred Units [Member]

Distribution Made to Limited Partner, Distributions Paid, Per Unit

0.4609

0.5634

^[2]

Series D Preferred Units [Member]

Distribution Made to Limited Partner, Distributions Paid, Per Unit

$ 0.4766

$ 0.5931

^[2]

$ 0.0000

$ 0

[1]	Series A and Series B preferred unit distributions are paid on a bi-annual basis.
[2]	Represent prorated initial distributions.

Equity Quarterly Distribution of Available Cash (Details) - $ / shares	3 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Minimum Quarterly Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	.4375
First Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	$0.4375 to $0.503125
Second Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	$0.503125 to $0.546875
Third Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	$0.546875 to $0.656250
Thereafter [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	Above $0.656250
Sunoco LP [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner, Date of Record	Feb. 06, 2019	Nov. 06, 2018	Aug. 07, 2018	May 07, 2018	Feb. 06, 2018	Nov. 07, 2017	Aug. 07, 2017	May 09, 2017	Feb. 13, 2017	Nov. 07, 2016	Aug. 05, 2016	May 06, 2016	Feb. 05, 2016
Distribution Made to Limited Partner, Distribution Date	Feb. 14, 2019	Nov. 14, 2018	Aug. 15, 2018	May 15, 2018	Feb. 14, 2018	Nov. 14, 2017	Aug. 15, 2017	May 16, 2017	Feb. 21, 2017	Nov. 15, 2016	Aug. 15, 2016	May 16, 2016	Feb. 16, 2016
Distribution Made to Limited Partner, Distributions Paid, Per Unit	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8173	$ 0.8013
USAC [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner, Date of Record	Jan. 28, 2019	Oct. 29, 2018	Jul. 30, 2018	May 01, 2018
Distribution Made to Limited Partner, Distribution Date	Feb. 08, 2019	Nov. 09, 2018	Aug. 10, 2018	May 11, 2018
Distribution Made to Limited Partner, Distributions Paid, Per Unit	$ 0.5250	$ 0.5250	$ 0.5250	$ 0.5250
IDRs [Member] \| Minimum Quarterly Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0
IDRs [Member] \| First Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0
IDRs [Member] \| Second Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0.15
IDRs [Member] \| Third Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0.25
IDRs [Member] \| Thereafter [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0.5
Limited Partner [Member] \| Minimum Quarterly Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	1
Limited Partner [Member] \| First Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	1
Limited Partner [Member] \| Second Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0.85
Limited Partner [Member] \| Third Target Distribution [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0.75
Limited Partner [Member] \| Thereafter [Member]
Distribution Made to Limited Partner [Line Items]
Distribution Payment Targets	0.5

Unit-Based Compensation Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Subsidiary Unit Based Compensation [Member]
Total fair value of awards vested	$ 22	$ 9	$ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 45
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	3 years 4 months 1 day
ETP Unit-Based Compensation Plans [Member]
Awards granted		$ 17.69	$ 23.82
Total fair value of awards vested		$ 40	$ 40

Unit-Based Compensation Plans Subsidiary unit award rollforward (Details) - $ / shares
shares in Millions

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Sunoco LP Unit Based Compensation Plans [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number

2.1

1.7

^[1]

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value

$ 29.15

$ 31.89

^[1]

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period

1.1

Awards granted

$ 27.67

$ 28.31

$ 26.95

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period

(0.4)

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value

$ 32.92

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value

$ 31.26

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period

0.3

USAC Unit Based Compensation Plans [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number

1.4

1.0

^[1]

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value

$ 14.98

$ 14.24

^[1]

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period

1.1

Awards granted

$ 15.47

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period

(0.6)

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value

$ 14.79

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value

$ 17.85

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period

0.1

[1]	Amounts reflect Sunoco LP as of January 1, 2018 and USAC as of April 2, 2018 (the date that ET obtained control of USAC).

Income Taxes Narrative (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
Income Taxes Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2017	Nov. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Contingency [Line Items]
Deferred Tax Liabilities, Gross	$ 3,991		$ 3,784	$ 3,991
Unrecognized Tax Benefits That Would Impact Effective Tax Rate, Ater Tax			588
Unrecognized Tax Benefits, Interest on Income Taxes Expense			6
Income Tax Examination, Penalties and Interest Accrued			15
Operating Loss Carryforwards	364			364
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration			$ 1,800
Operating Loss Carryforwards, Expiration Date			Jan. 01, 2031
Net operating losses, alternative minimum tax credit and other carryforwards	683		$ 768	683
Unrecognized Tax Benefits that Would Impact Effective Tax Rate			620
Deferred Tax Assets, Valuation Allowance	$ 189		96	189
Pending Tax Refund			530
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts			530
State			20	(16)	$ (34)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	35.00%
Tax Credit Carryforward, Valuation Allowance			98
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount			0	$ (1,784)	$ 0
ETP Holdco and other corporate subsidiaries [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards			2,600
Corporate Subsidiaries [Member]
Income Tax Contingency [Line Items]
Net operating losses, alternative minimum tax credit and other carryforwards			31
Deferred Tax Assets, Operating Loss Carryforwards, State and Local			168
Net of federal tax [Member]
Income Tax Contingency [Line Items]
State			$ 53
Minimum [Member] \| Corporate Subsidiaries [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards, Expiration Date			Jan. 01, 2019
Maximum [Member] \| ETP Holdco and other corporate subsidiaries [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards, Expiration Date			Dec. 31, 2037
Maximum [Member] \| Corporate Subsidiaries [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards, Expiration Date			Dec. 31, 2037
Pennsylvania Constitution [Member]
Income Tax Contingency [Line Items]
State			$ 67
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies			34
Pennsylvania Constitution [Member] \| Net of federal tax [Member]
Income Tax Contingency [Line Items]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies			27
Reclassed to current income tax receivable within 12 months [Member]
Income Tax Contingency [Line Items]
Net operating losses, alternative minimum tax credit and other carryforwards			$ 16

Income Taxes Compoenents of Federal and State Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current expense (benefit):
Federal	$ (7)	$ 53	$ (47)
State	20	(16)	(34)
Current expense (benefit) - Total	13	37	(81)
Deferred expense (benefit):
Federal	183	(2,025)	(185)
State	(191)	184	11
Deferred expense (benefit) - Total	(8)	(1,841)	(174)
Income tax expense (benefit)	$ 5	$ (1,804)	$ (255)

Income Taxes Statutory Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income tax expense at United States statutory rate	$ 849	$ 402	$ 230
Partnership earnings not subject to tax	(718)	(626)	(728)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	0	(1,784)	0
Goodwill impairments	0	208	278
Foreign	(125)	123	(10)
Dividend received deduction	(5)	(14)	(15)
Other	4	11	(10)
Income tax expense (benefit)	5	(1,804)	(255)
Effective Income Tax Rate Reconciliation, Change in Tax Status of Subsidiary	$ 0	$ (124)	$ 0

Income Taxes Tax Effects of Temporary Differences (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Deferred income tax assets:
Net operating losses, alternative minimum tax credit and other carryforwards	$ 768	$ 683
Pension and other postretirement benefits	34	21
Long-term debt	13	14
Other	181	190
Total deferred income tax assets	996	908
Valuation allowance	(96)	(189)
Net deferred income tax assets	900	719
Deferred income tax liabilities:
Property, plant and equipment	(742)	(998)
Investment in unconsolidated affiliates	(2,869)	(2,726)
Trademarks	63	169
Other	(110)	(98)
Total deferred income tax liabilities	(3,784)	(3,991)
Net deferred income taxes	$ (2,884)	$ (3,272)

Income Taxes Components of Net Deferred Income Tax (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Deferred Tax Liabilities, Property, Plant and Equipment	$ 742	$ 998
Trademarks	63	169
Deferred Tax Liabilities, Investment in Noncontrolled Affiliates	2,869	2,726
Deferred Tax Liabilities, Other	$ 110	$ 98

Income Taxes Changes in Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 609	$ 615	$ 610
Additions attributable to tax positions taken in the current year	8	0	8
Additions attributable to tax positions taken in prior years	7	28	18
Reduction attributable to tax positions taken in prior years	0	(25)	(20)
Lapse of statute	0	(9)	(1)
Balance at end of year	$ 624	$ 609	$ 615

Regulatory Matters, Commitments, Contingencies and Environmental Matters (Narrative) (Details)

1 Months Ended

12 Months Ended

Jan. 31, 2018

USD ($)

Dec. 31, 2018

USD ($)

Dec. 31, 2017

USD ($)

Dec. 31, 2016

USD ($)

Lessee, Operating Lease, Term of Contract

40 years

Rental expense (1)

$ 139,000,000

$ 171,000,000

^[1]

$ 161,000,000

^[1]

Sublease rental income (2)

^[2]

40,000,000

25,000,000

26,000,000

Net

99,000,000

146,000,000

135,000,000

Operating Leases, Rent Expense, Contingent Rentals

$ 4,000,000

16,000,000

$ 18,000,000

Site Contingency, Number of Sites Needing Remediation

Amounts recorded in balance sheets for contingencies and current litigation not disclosed

$ 0

Accrual for Environmental Loss Contingencies

337,000,000

372,000,000

Payments for Environmental Liabilities

48,000,000

37,000,000

Rover Pipeline LLC [Member]

40,508,000,000

37,384,000,000

Proposed Environmental Penalty

2,600,000

Related To Deductibles [Member]

2,984,000,000

4,287,000,000

Loss Contingency Accrual, at Carrying Value

53,000,000

6.375% Senior Notes due April 2023 [Member] | Sunoco LP [Member]

6.375%

6.25% Senior Notes due 2021 [Member] | Sunoco LP [Member]

$ 800,000,000

800,000,000

6.25%

4.875% senior notes due 2023 [Member] | Sunoco LP [Member]

$ 800,000,000

800,000,000

4.875%

5.500% senior notes due 2026 [Member] | Sunoco LP [Member]

$ 1,000,000,000

1,000,000,000

5.50%

5.875% senior notes due 2028 [Member] | Sunoco LP [Member]

$ 800,000,000

800,000,000

5.875%

$ 400,000,000

400,000,000

$ 0

PENNSYLVANIA

Civil penalties

$ 12,600,000

Final Judgement [Member]

Expense Reimbursement [Member]

536,000,000

1,000,000

Disgorgement [Member]

Compensatory Damages [Member]

595,000,000

Lessee, Operating Lease, Term of Contract

$ 319,000,000

Minimum [Member]

5 years

Maximum [Member]

Lessee, Operating Lease, Term of Contract

15 years

[1]	Includes contingent rentals totaling $4 million, $16 million and $18 million for the years ended December 31, 2018, 2017 and 2016, respectively.
[2]	Sublease rental income is included in other revenues in the accompanying statements of operations.

Regulatory Matters, Commitments, Contingencies and Environmental Matters (Rent Expense and Future minimum lease commitments) (Details) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Regulatory Matters, Commitments, Contingencies And Environmental Liabilities [Abstract]

Rental expense (1)

$ 139

$ 171

^[1]

$ 161

^[1]

Sublease rental income (2)

^[2]

Net

$ 146

$ 135

104

220

Future minimum lease commitments

601

Less: Sublease rental income

(111)

Net future minimum lease commitments

$ 490

[1]	Includes contingent rentals totaling $4 million, $16 million and $18 million for the years ended December 31, 2018, 2017 and 2016, respectively.
[2]	Sublease rental income is included in other revenues in the accompanying statements of operations.

Regulatory Matters, Commitments, Contingencies and Environmental Matters (Liabilities Related to Environmental Matters) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Environmental Remediation Obligations [Abstract]
Accrued Environmental Loss Contingencies, Current	$ 42	$ 35
Accrued Environmental Loss Contingencies, Noncurrent	295	337
Accrual for Environmental Loss Contingencies	$ 337	$ 372

Revenue Narrative (Details) $ in Millions	12 Months Ended
Revenue Narrative (Details) $ in Millions	Dec. 31, 2018 USD ($)
Revenue, Remaining Performance Obligation, Amount	$ 42,349
Sunoco LP [Member]
Capitalized Contract Cost, Amortization	14
Deferred Revenue	405
Deferred Revenue, Revenue Recognized	$ 85

Revenue Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
Revenue Contract Balances (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018
Revenue from External Customer [Line Items]
Contract with Customer, Asset, Net	$ 75			$ 51
Receivables from Customers	347			445
Increase (Decrease) in Contract with Customer, Asset	24
Increase (Decrease) in Accounts Receivable	(506)	$ 951	$ 1,114
Contract with Customer, Liability	1			$ 1
Increase (Decrease) in Contract with Customer, Liability	0
Customer Contracts [Member]
Revenue from External Customer [Line Items]
Increase (Decrease) in Accounts Receivable	$ (98)

Revenue Future Obligations (Details) $ in Millions	Dec. 31, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 42,349
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-12-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	5,529
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-12-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	4,955
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-12-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	4,413
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-12-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 27,452

Derivative assets and liabilties (Interest rate swaps outstanding) (Details) - Derivatives Not Designated As Hedging Instruments - Interest Rate Derivatives [Member] - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

December 2018 [Member]

^[1]

Pay a floating rate and receive a fixed rate of 1.53%

$ 0

$ 1,200

March 2019 [Member]

^[1]

Pay a floating rate and receive a fixed rate of 1.42%

Forward-Starting Swaps [Member] | July 2017 [Member]

$ 300

300

^[1],[2]

Forward-starting to pay a fixed rate of 3.76% and receive a floating rate

Forward-Starting Swaps [Member] | July 2018 [Member]

^[2]

$ 0

300

^[1],[2]

Forward-starting to pay a fixed rate of 3.56% and receive a floating rate

Forward-Starting Swaps [Member] | July 2019 [Member]

^[2]

$ 400

300

^[1],[2]

Forward-starting to pay a fixed rate of 3.52% and receive a floating rate

Forward-Starting Swaps [Member] | July 2021 [Member]

^[2]

$ 400

400

^[1],[2]

Forward-starting to pay a fixed rate of 3.55% and receive a floating rate

Other Postretirement Benefit Plans, Defined Benefit [Member]

^[2]

$ 400

$ 0

[1]	Floating rates are based on 3-month LIBOR.
[2]	Represents the effective date. These forward-starting swaps have terms of 30 years with a mandatory termination date the same as the effective date.

Derivative assets and liabilties (Fair Value of Derivative Instruments) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Total derivative assets	$ 560	$ 321
Total derivative liabilities	(746)	(560)
Derivative Asset, Fair Value, Net	116	37
Derivative Liability, Fair Value, Net	302	276
Designated as Hedging Instrument [Member]
Total derivative assets	0	14
Total derivative liabilities	(13)	(2)
Designated as Hedging Instrument [Member] \| Commodity derivatives (margin deposits) [Member]
Total derivative assets	0	14
Total derivative liabilities	(13)	(2)
Not Designated as Hedging Instrument [Member]
Total derivative assets	560	307
Total derivative liabilities	(733)	(558)
Not Designated as Hedging Instrument [Member] \| Commodity derivatives (margin deposits) [Member]
Total derivative assets	402	262
Total derivative liabilities	(397)	(281)
Not Designated as Hedging Instrument [Member] \| Commodity Derivatives [Member]
Total derivative assets	158	45
Total derivative liabilities	(173)	(58)
Not Designated as Hedging Instrument [Member] \| Interest Rate Derivatives [Member]
Total derivative assets	0	0
Total derivative liabilities	$ (163)	$ (219)

Derivative assets and liabilties (Netting table) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 560	$ 321
Derivative Liability, Fair Value, Gross Liability	(746)	(560)
Derivative Asset, Fair Value, Amount Offset Against Collateral	(47)	(21)
Derivative Liability, Fair Value, Amount Offset Against Collateral	47	21
Derivative Asset, Collateral, Obligation to Return Cash, Offset	(397)	(263)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	397	263
Derivative Asset, Fair Value, Net	116	37
Derivative Liability, Fair Value, Net	(302)	(276)
Without offsetting agreements [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	(163)	(219)
OTC Contracts [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	158	45
Derivative Liability, Fair Value, Gross Liability	(173)	(58)
Broker cleared derivative contracts [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	402	276
Derivative Liability, Fair Value, Gross Liability	$ (410)	$ (283)

Derivative assets and liabilties (Partnership's derivative assets and liabilities, recognized OCI on derivatives (effective portion)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cost of Sales [Member] \| Commodity [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	$ (3)	$ 26	$ 14

Derivative assets and liabilties (Partnership's derivative assets and liabilities, amount of gain/(loss) reclassified from AOCI into income (effective portion)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Amount of Gain (Loss) Recognized In Income On Derivatives	$ (23)	$ 0	$ (220)
Gains (losses) on interest rate derivatives	47	(37)	(12)
Embedded Derivatives in Preferred Units [Member] \| Other Income (Expenses) [Member]
Amount of Gain (Loss) Recognized In Income On Derivatives	0	1	4
Commodity [Member] \| Cost of Sales [Member]
Amount of Gain (Loss) Recognized in Income on Ineffective Portion	(3)	26	14
Trading [Member] \| Commodity [Member] \| Cost of Sales [Member]
Amount of Gain (Loss) Recognized In Income On Derivatives	32	31	(35)
Non Trading [Member] \| Commodity [Member] \| Cost of Sales [Member]
Amount of Gain (Loss) Recognized In Income On Derivatives	$ (102)	$ 5	$ (177)

Retirement Benefits (Narratives) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions to the 401(k) savings plan	$ 62	$ 59	$ 65
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Large Cap US Equitiies	100.00%	100.00%
Current portion of expected future benefit	$ 6
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Large Cap US Equitiies	53.00%	38.00%
Fixed Income Securities	46.00%	61.00%
Cash Fund Investments	1.00%	2.00%
Current portion of expected future benefit	$ 10
Sunoco [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Liability, Other Postretirement Defined Benefit Plan, Noncurrent	$ 200
ETP Unit-Based Compensation Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Awards granted		$ 17.69	$ 23.82
Minimum [Member] \| Equity [Member] \| Panhandle [Member] \| Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment Policy and Strategy, Description	0.25
Minimum [Member] \| Fixed Income Investments [Member] \| Panhandle [Member] \| Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment Policy and Strategy, Description	0.65
Maximum [Member] \| Equity [Member] \| Panhandle [Member] \| Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment Policy and Strategy, Description	0.35
Maximum [Member] \| Fixed Income Investments [Member] \| Panhandle [Member] \| Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment Policy and Strategy, Description	0.75
Funded Plans [Member] \| Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Current portion of expected future benefit	$ 1

Retirement Benefits Obligations and Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Change in benefit obligation and Plan Assets:
Settlements	$ 0	$ 0
Pension Plans, Defined Benefit [Member]
Change in benefit obligation and Plan Assets:
Interest cost	1	2
Benefit obligation		1
Defined Benefit Plan, Service Cost	0	0
Fair value of plan assets		1
Amount underfunded		0
Other Postretirement Benefit Plans, Defined Benefit [Member]
Change in benefit obligation and Plan Assets:
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(17)	(20)
Interest cost	5	4
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment	60	7
Actuarial (gain) loss and other	(7)	(1)
Benefits paid, net	(17)	(20)
Return on plan assets and other	(8)	11
Employer contributions	9	10
Benefit obligation	198	156	$ 166
Defined Benefit Plan, Service Cost	1	0
Fair value of plan assets	241	257	256
Amount underfunded	(43)	(101)
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	68	127
Current liabilities	(2)	(2)
Non-current liabilities	(23)	(24)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	43	101
Net actuarial gain (loss)	(7)	(18)
Prior service cost	66	21
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	59	3
Funded Plans [Member]
Change in benefit obligation and Plan Assets:
Settlements	0
Funded Plans [Member] \| Pension Plans, Defined Benefit [Member]
Change in benefit obligation and Plan Assets:
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation	0	1
Defined Benefit Plan, Benefit Obligation, Benefits Paid	0	(2)
Interest cost	0	1
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment	0	0
Actuarial (gain) loss and other	0	2
Benefits paid, net	0	(2)
Settlements		(18)
Return on plan assets and other	0	3
Employer contributions	0	6
Benefit obligation	1	1	18
Defined Benefit Plan, Service Cost	0
Fair value of plan assets	1	1	12
Amount underfunded	0
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	0	0
Current liabilities	0	0
Non-current liabilities	0	0
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	0	0
Net actuarial gain (loss)	0	0
Prior service cost	0	0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	0	0
Unfunded Plans [Member]
Change in benefit obligation and Plan Assets:
Settlements	0	0
Unfunded Plans [Member] \| Pension Plans, Defined Benefit [Member]
Change in benefit obligation and Plan Assets:
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation	37	47
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(7)	(6)
Interest cost	1	1
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment	0	0
Actuarial (gain) loss and other	(4)	1
Benefits paid, net	0	0
Return on plan assets and other	0	0
Employer contributions	0	0
Benefit obligation	37	47	51
Defined Benefit Plan, Service Cost	0	0
Fair value of plan assets		0	$ 0
Amount underfunded	37	47
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	0	0
Current liabilities	(6)	(8)
Non-current liabilities	(31)	(39)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	(37)	(47)
Net actuarial gain (loss)	1	5
Prior service cost	0	0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	1	5
Unfunded Plans [Member] \| Change in Plan Assets [Member] \| Pension Plans, Defined Benefit [Member]
Change in benefit obligation and Plan Assets:
Fair value of plan assets	$ 0	$ 0

Retirement Benefits Summary for Plans with an Accumulated Benefit Obligation in Excess of Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation	$ 198	$ 156
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets	241	257
Funded Plans [Member] \| Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation	0	1
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation	1	1
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets	1	1
Unfunded Plans [Member] \| Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation	37	47
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation	37	47
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets	$ 0	$ 0

Retirement Benefits Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 0	$ 0
Interest cost	1	2
Expected return on plan assets	0	0
Prior service cost amortization	0	0
Net periodic benefit cost	1	2
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	1	0
Interest cost	5	4
Expected return on plan assets	(10)	(9)
Prior service cost amortization	16	2
Net periodic benefit cost	$ 12	$ (3)

Retirement Benefits Weighted-Average Assumptions Used in Determining Benefit Obligations (Details)	Dec. 31, 2018	Dec. 31, 2017
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.02%	3.27%
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.40%	2.34%

Retirement Benefits Assumed Health Care Cost Trend Rates (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year	7.15%	7.20%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	4.82%	4.99%
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate	2024	2023

Retirement Benefits Schedule Of Weighted-Average Assumptions To Determine Defined Benefit Plans And Postretirement Benefit Plans Expense (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	3.52%	3.52%
Expected long term return on assets, tax exempt accounts	3.26%	3.50%
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	3.51%	3.10%
Expected long term return on assets, tax exempt accounts	6.63%	7.00%
Expected long term return on assets, taxable accounts	4.50%	4.50%

Retirement Benefits Fair Value of Plan Assets (Details) - USD ($)
$ in Millions

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Pension Plans, Defined Benefit [Member]

$ 241

$ 257

$ 256

Large Cap US Equitiies

53.00%

38.00%

Fixed Income Securities

46.00%

61.00%

Cash Fund Investments

1.00%

2.00%

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Cash and Cash Equivalents [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

$ 1

Large Cap US Equitiies

100.00%

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Mutual Fund [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

$ 20

$ 33

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Mutual Fund [Member] | Pension Plans, Defined Benefit [Member]

^[1]

144

154

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fixed Income Securities [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

^[2]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 1 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

164

187

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 1 [Member] | Mutual Fund [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 1 [Member] | Mutual Fund [Member] | Pension Plans, Defined Benefit [Member]

144

154

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 1 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 2 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 2 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 2 [Member] | Mutual Fund [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 2 [Member] | Mutual Fund [Member] | Pension Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 3 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 3 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 3 [Member] | Mutual Fund [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 3 [Member] | Mutual Fund [Member] | Pension Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Fair Value, Inputs, Level 3 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]