Derivatives and Other Financial Instruments - Schedule of Detail for Level 1 and 3 Derivatives (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets Current	$ 64		$ 14
Derivative Liabilities Current	514		274
Derivative Assets Noncurrent	20		7
Derivative Liabilities Noncurrent	1,795		1,048
Unrealized loss recognized in Other comprehensive loss	(1,063)	$ (303)
Realized loss reclassed from Other comprehensive loss to earnings	(114)	(52)
Level 1 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	70		19
Derivative Liabilities	285		29
Unrealized loss recognized in Other comprehensive loss	(233)	(14)
Realized loss reclassed from Other comprehensive loss to earnings	(6)
Level 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	14		2
Derivative Liabilities	2,024		1,293
Unrealized loss recognized in Other comprehensive loss	(837)	(300)
Realized loss reclassed from Other comprehensive loss to earnings	(104)	(55)
Level 1 and 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	84		21
Derivative Liabilities	2,309		1,322
Derivative Assets Current	64		14
Derivative Liabilities Current	514		274
Derivative Assets Noncurrent	20		7
Derivative Liabilities Noncurrent	1,795		$ 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 loss recognized in Other comprehensive loss	7	11
Realized loss reclassed from Other comprehensive loss to earnings	$ (4)	$ 3