Derivatives and Other Financial Instruments - Schedule of Detail for Level 1 and 3 Derivatives (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets Current	$ 38		$ 25
Derivative Liabilities Current	258		263
Derivative Assets Noncurrent	11		0
Derivative Liabilities Noncurrent	850		836
Unrealized gain (loss) recognized in Other comprehensive income (loss)	(85)	$ 117
Realized gain (loss) reclassified from Accumulated other comprehensive loss to earnings	(95)	(53)
Level 1 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	19		1
Derivative Liabilities	12		20
Unrealized gain (loss) recognized in Other comprehensive income (loss)	24	(3)
Realized gain (loss) reclassified from Accumulated other comprehensive loss to earnings	(2)	4
Level 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	30		24
Derivative Liabilities	1,096		1,079
Unrealized gain (loss) recognized in Other comprehensive income (loss)	(109)	120
Realized gain (loss) reclassified from Accumulated other comprehensive loss to earnings	(93)	$ (57)
Level 1 and 3 Derivative Instruments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Assets	49		25
Derivative Liabilities	1,108		1,099
Derivative Assets Current	38		25
Derivative Liabilities Current	258		263
Derivative Assets Noncurrent	11		0
Derivative Liabilities Noncurrent	$ 850		$ 836