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Canadian NGL Business Divestiture and Discontinued Operations - Narrative (Details) $ in Millions, $ in Millions			1 Months Ended	3 Months Ended			6 Months Ended
	May 12, 2026 USD ($)	May 12, 2026 CAD ($)	Jul. 31, 2026 USD ($)	Jun. 30, 2026 USD ($)	Mar. 31, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 12, 2026	May 13, 2026 USD ($)	Dec. 31, 2025 USD ($)
Disposal Group, Including Discontinued Operations [Line Items]
Disposal group, including discontinued operation, liabilities, current				$ 154			$ 154				$ 382
Current income tax expense (benefit)				107		$ 1	322	$ 6
Deferred income tax benefit				(7)		3	(222)	5
Discontinued Operations, Disposed of by Sale \| Canadian NGL Business
Disposal Group, Including Discontinued Operations [Line Items]
Cash consideration	$ 3,883	$ 5,328
Disposal group, including discontinued operation, liabilities, current				154			154			$ 62	382
Commence period									12 months
Other current liabilities				154			154				$ 87
Current income tax expense (benefit)					$ 311
Deferred income tax benefit							217
Disposal group, including discontinued operation, income tax expense (benefit),							82
Deferred tax liabilities				77			77
(Gains)/losses on asset sales and other, net				(1,637)		$ 13	(1,605)	$ 13
Discontinued Operations, Disposed of by Sale \| Canadian NGL Business \| Derivative
Disposal Group, Including Discontinued Operations [Line Items]
Other current liabilities				$ 15			$ 15
Discontinued Operations, Disposed of by Sale \| Canadian NGL Business \| Subsequent Event
Disposal Group, Including Discontinued Operations [Line Items]
Payments for termination of derivative financial instruments			$ 15