Derivative Instruments - Fair Value of Derivative Instruments by Balance Sheet Location (Details) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Current derivative assets	[1]	$ 37	$ 30
Derivative assets	[1]	59	40
Total derivative assets	[1]	96	70
Current derivative liabilities	[1]	(144)	(196)
Derivative liabilities	[1]	(1,566)	(1,531)
Total derivative liabilities	[1]	(1,710)	(1,727)
Derivative asset (liability), net	[1]	(1,614)	(1,657)
Derivative, collateral posted by us		1	0
Derivative, collateral posted by counterparties		$ 0	$ 4
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]		Current derivative assets	Current derivative assets
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Derivative assets	Derivative assets
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]		Current derivative liabilities	Current derivative liabilities
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Derivative liabilities	Derivative liabilities

[1] Does not include collateral posted with counterparties by us of $1 million and zero as of March 31, 2024 and December 31, 2023, respectively, which is included in other current assets, net on our Consolidated Balance Sheets, and collateral posted by counterparties to us of zero and $4 million as of March 31, 2024 and December 31, 2023, respectively, which is included in other current liabilities on our Consolidated Balance Sheets.