Derivatives and Other Financial Instruments - Schedule of Detail for Level 1 and 3 Derivatives (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets Current	$ 33		$ 33		$ 134
Derivative Liabilities Current	204		204		200
Derivative Assets Noncurrent	3		3		2
Derivative Liabilities Noncurrent	927		927		1,026
Unrealized gain (loss) recognized in Other comprehensive loss	(120)	$ 110	(66)	$ 231
Realized gain (loss) reclassed from Other comprehensive loss to earnings	(29)	(37)	(93)	(280)
Level 1 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	29		29		84
Derivative Liabilities	16		16		14
Unrealized gain (loss) recognized in Other comprehensive loss	(11)	59	20	158
Realized gain (loss) reclassed from Other comprehensive loss to earnings	22	32	66	12
Level 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	7		7		52
Derivative Liabilities	1,115		1,115		1,212
Unrealized gain (loss) recognized in Other comprehensive loss	(110)	49	(87)	62
Realized gain (loss) reclassed from Other comprehensive loss to earnings	(54)	(67)	(164)	(286)
Level 1 and 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	36		36		136
Derivative Liabilities	1,131		1,131		1,226
Derivative Assets Current	33		33		134
Derivative Liabilities Current	204		204		200
Derivative Assets Noncurrent	3		3		2
Derivative Liabilities Noncurrent	927		927		$ 1,026
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	1	2	1	11
Realized gain (loss) reclassed from Other comprehensive loss to earnings	$ 3	$ (2)	$ 5	$ (6)