Acquisitions (Details) - USD ($) $ in Millions										1 Months Ended	2 Months Ended	3 Months Ended	5 Months Ended	8 Months Ended	11 Months Ended	12 Months Ended
		Jan. 03, 2025	Nov. 01, 2024	Aug. 01, 2024	Jan. 03, 2024	Nov. 30, 2023	Feb. 14, 2023	Aug. 31, 2022	Apr. 29, 2022	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired																	$ 2,244		$ 1,568		$ 933
Revenues																	10,503		10,907		10,965
Modified EBITDA Earnings Loss																	6,656		8,013		6,075
Gain on remeasurement of equity-method investment (Note 2)																	127		30		0
Goodwill										$ 463	$ 466	$ 463	$ 466	$ 0	$ 463	$ 466	466		463		0
Net income																	2,225		3,179		2,049
Payments to Acquire Productive Assets																	5,598		4,313		3,598
Pro Forma [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue																	10,621		11,617		11,493
Business Acquisition, Pro Forma Net Income (Loss)																	2,228		3,273		2,250
Transmission And Gulf Of America [Member]
Business Acquisition [Line Items]
Goodwill										400	400	400	400	0	400	400	400		400		0
Transmission And Gulf Of America [Member] | NorTex Acquisition
Business Acquisition [Line Items]
Payments to Acquire Productive Assets								$ 424
West [Member]
Business Acquisition [Line Items]
Goodwill										$ 63	66	$ 63	66	$ 0	$ 63	66	66		$ 63		0
Crowheart Acquisition
Business Acquisition [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage										75.00%		75.00%			75.00%				75.00%
Business Combination, Consideration Transferred			$ 307
Crowheart Acquisition | Pro Forma [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue																	60	[1]	$ 74
Business Acquisition, Pro Forma Net Income (Loss)																	8	[1]	19
Crowheart Acquisition | Minimum [Member]
Business Acquisition [Line Items]
Business Combination Step Acquisition Equity Interest In Acquiree After Acquisition Percentage			90.00%
Crowheart Acquisition | Other Operating Segment
Business Acquisition [Line Items]
Revenues											20
Modified EBITDA Earnings Loss											$ 7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents			$ 94
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other			15
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets			2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			511
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other			(45)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other			(115)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			(160)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			351
Discovery Acquisition
Business Acquisition [Line Items]
Business Combination, Consideration Transferred				$ 170
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value				381
Gain on remeasurement of equity-method investment (Note 2)				127													127		0		0
Discovery Acquisition | Pro Forma [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue																	58	[1]	129
Business Acquisition, Pro Forma Net Income (Loss)																	(5)	[1]	$ (1)
Discovery Acquisition | Transmission And Gulf Of America [Member]
Business Acquisition [Line Items]
Revenues													144
Modified EBITDA Earnings Loss													$ 42
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents				22
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other				19
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				941
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets				39
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets				1,021
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other				(40)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other				(296)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities				(336)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net				$ 685
Discovery Acquisition | Transmission And Gulf Of America [Member] | Discovery Producer Services LLC [Member]
Business Acquisition [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage										60.00%		60.00%			60.00%				60.00%
Business Acquisition, Percentage of Voting Interests Acquired				40.00%
Discovery Acquisition | Transmission And Gulf Of America [Member] | Selling, general and administrative expenses [Member]
Business Acquisition [Line Items]
Business Combination Acquisition Related Costs Cumulative																	1
Gulf Coast Storage Acquisition
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired					100.00%
Business Combination, Consideration Transferred					$ 1,950
Business Combination, Consideration Transferred, Liabilities Incurred					100												100		$ 0
Gulf Coast Storage Acquisition | Pro Forma [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue																			202
Business Acquisition, Pro Forma Net Income (Loss)																			53
Gulf Coast Storage Acquisition | Subsequent Event [Member]
Business Acquisition [Line Items]
Extinguishment of Debt, Amount		$ 100
Gulf Coast Storage Acquisition | Transmission And Gulf Of America [Member]
Business Acquisition [Line Items]
Revenues																228
Modified EBITDA Earnings Loss																$ 160
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents					46
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other					18
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					2,035
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets					2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets					2,101
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other					(11)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other					(107)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities					(118)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					$ 1,983
Gulf Coast Storage Acquisition | Transmission And Gulf Of America [Member] | Selling, general and administrative expenses [Member]
Business Acquisition [Line Items]
Business Combination Acquisition Related Costs Cumulative																	15
Business Combination, Acquisition Related Costs																	14
Cureton Acquisition
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired						100.00%
Business Combination, Consideration Transferred						$ 546
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						20 years
Percentage Of Finite Lived Intangible Assets Impacted By Our Intent Or Ability To Renew Or Extend Arrangement						24.00%
Acquired Finite-lived Intangible Asset, Weighted-Average Period before Renewal or Extension						10 years
Cureton Acquisition | West [Member]
Business Acquisition [Line Items]
Revenues										$ 35
Modified EBITDA Earnings Loss										7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents						$ 6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other						21
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment						433
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						117
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets						1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets						578
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other						(29)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other						(14)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities						(43)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net						535
Goodwill						11
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net						546
Cureton Acquisition | West [Member] | Selling, general and administrative expenses [Member]
Business Acquisition [Line Items]
Business Combination Acquisition Related Costs Cumulative																	8
Business Combination, Acquisition Related Costs																			6
RMM Acquisition
Business Acquisition [Line Items]
Business Combination, Consideration Transferred						704
Business Combination, Consideration Transferred, Liabilities Incurred																	0		665
Extinguishment of Debt, Amount			$ 651
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value						$ 406
Gain on remeasurement of equity-method investment (Note 2)												$ 30					0		30		$ 0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						20 years
Percentage Of Finite Lived Intangible Assets Impacted By Our Intent Or Ability To Renew Or Extend Arrangement						18.00%
Acquired Finite-lived Intangible Asset, Weighted-Average Period before Renewal or Extension						10 years
RMM Acquisition | West [Member]
Business Acquisition [Line Items]
Revenues										53
Modified EBITDA Earnings Loss										$ 12
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents						$ 28
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other						4
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Investments						20
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment						1,041
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						63
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets						12
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets						1,168
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other						(44)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other						(103)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities						(147)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net						1,021
Goodwill						55
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net						1,076
Business Acquisition, Goodwill, Expected Tax Deductible Amount						$ 55
RMM Acquisition | West [Member] | Rocky Mountain Midstream Holdings LLC [Member]
Business Acquisition [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage														50.00%							50.00%
Business Acquisition, Percentage of Voting Interests Acquired						50.00%
DJ Basin Acquisitions | Pro Forma [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue																			270	[1]	$ 218
Business Acquisition, Pro Forma Net Income (Loss)																			17	[1]	13
MountainWest Acquisition
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired							100.00%
Business Combination, Consideration Transferred							$ 1,080
Business Combination, Consideration Transferred, Liabilities Incurred							430
Payments to Acquire Businesses, Net of Cash Acquired																			1,024
MountainWest Acquisition | Pro Forma [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue																			35	[1]	265
Business Acquisition, Pro Forma Net Income (Loss)																			6	[1]	170
MountainWest Acquisition | Transmission And Gulf Of America [Member]
Business Acquisition [Line Items]
Revenues															$ 225
Modified EBITDA Earnings Loss															122
Business Combination, Transition Related Costs															$ 27
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents							23
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables							33
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other							26
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Investments							20
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment							1,019
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets							33
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets							1,154
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other							(47)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt							(365)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other							(95)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities							(507)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net							647
Goodwill							400
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net							1,047
Business Acquisition, Goodwill, Expected Tax Deductible Amount							$ 400
MountainWest Acquisition | Transmission And Gulf Of America [Member] | Selling, general and administrative expenses [Member]
Business Acquisition [Line Items]
Business Combination Acquisition Related Costs Cumulative																	$ 18
Business Combination, Acquisition Related Costs																			$ 16
Trace Midstream Acquisition
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired									100.00%
Business Combination, Consideration Transferred									$ 972
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life									20 years
Percentage Of Finite Lived Intangible Assets Impacted By Our Intent Or Ability To Renew Or Extend Arrangement									2.00%
Acquired Finite-lived Intangible Asset, Weighted-Average Period before Renewal or Extension									19 years
Trace Midstream Acquisition | Pro Forma [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	[1]																				45
Business Acquisition, Pro Forma Net Income (Loss)	[1]																				$ 18
Trace Midstream Acquisition | West [Member]
Business Acquisition [Line Items]
Revenues														$ 148
Modified EBITDA Earnings Loss														73
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents									$ 39
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables									18
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment									448
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles									472
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets									20
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets									997
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable									(12)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other									(5)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other									(8)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities									(25)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net									$ 972
Trace Midstream Acquisition | West [Member] | Selling, general and administrative expenses [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs														$ 8

[1] Excludes results from operations acquired in the acquisition for the period beginning on the acquisition date, as these results are included in the amounts as reported.