Income Taxes - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Examination [Line Items]
Gross deferred tax asset related to net operating loss carryforwards	$ 4,406,000,000	$ 4,406,000,000	$ 4,226,000,000
Gross deferred tax asset related to foreign net operating loss carryforwards	127,000,000	127,000,000
Gross deferred tax asset related to net U.S. federal operating loss carryforwards	3,778,000,000	3,778,000,000
Gross deferred tax asset related to net operating loss carryforwards for various U.S. states	501,000,000	501,000,000
Deferred tax asset related to foreign net operating loss carryforwards, net of valuation allowance	23,000,000	23,000,000
U.S. state tax credit carryforwards	27,000,000	27,000,000
Other business credit carryforwards	81,000,000	81,000,000
Foreign tax credit carryforwards - Before valuation allowance	1,000,000	1,000,000
Valuation allowance against net deferred tax assets	3,652,000,000	3,652,000,000	3,658,000,000
Release of valuation allowance established against a portion of the net deferred tax assets in Malaysia, related to the Marginal Field tax ring-fence	33,000,000	(6,000,000)	180,000,000	$ (1,553,000,000)
Unrecognized tax benefits that would impact effective income tax rate	0	0
Unrecognized tax benefits decrease reasonably possible	0	0
Accrued interest and penalties	0	0	$ 0
Midstream
Income Tax Examination [Line Items]
Gross deferred tax asset related to net U.S. federal operating loss carryforwards	38,000,000	38,000,000
Gross deferred tax asset related to net operating loss carryforwards for various U.S. states	$ 8,000,000	$ 8,000,000