Derivatives and Other Financial Instruments - Schedule of Detail for Level 1 and 3 Derivatives (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets Current	$ 224		$ 224		$ 14
Derivative Liabilities Current	232		232		274
Derivative Assets Noncurrent	15		15		7
Derivative Liabilities Noncurrent	867		867		1,048
Unrealized gain (loss) recognized in Other comprehensive loss	1,184	$ (397)	121	$ (700)
Realized loss reclassed from Other comprehensive loss to earnings	(129)	(67)	(243)	(119)
Level 1 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	121		121		19
Derivative Liabilities	40		40		29
Unrealized gain (loss) recognized in Other comprehensive loss	332	6	99	(8)
Realized loss reclassed from Other comprehensive loss to earnings	(14)	(3)	(20)	(3)
Level 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	118		118		2
Derivative Liabilities	1,059		1,059		1,293
Unrealized gain (loss) recognized in Other comprehensive loss	850	(394)	13	(694)
Realized loss reclassed from Other comprehensive loss to earnings	(115)	(60)	(219)	(115)
Level 1 and 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	239		239		21
Derivative Liabilities	1,099		1,099		1,322
Derivative Assets Current	224		224		14
Derivative Liabilities Current	232		232		274
Derivative Assets Noncurrent	15		15		7
Derivative Liabilities Noncurrent	867		867		$ 1,048
Level 2 Derivative Instruments [Member] \| Non-controlling and Equity Interest [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unrealized gain (loss) recognized in Other comprehensive loss	$ 2	(9)	9	2
Realized loss reclassed from Other comprehensive loss to earnings		$ (4)	$ (4)	$ (1)

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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