Income Taxes - Additional Information (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Income Tax Examination [Line Items]
Gross deferred tax asset related to net operating loss carryforwards	$ 4,226,000,000	$ 4,323,000,000
Gross deferred tax asset related to foreign net operating loss carryforwards	128,000,000
Gross deferred tax asset related to net U.S. federal operating loss carryforwards	3,607,000,000
Gross deferred tax asset related to net operating loss carryforwards for various U.S. states	491,000,000
Deferred tax asset related to foreign net operating loss carryforwards, net of valuation allowance	23,000,000
U.S. state tax credit carryforwards	24,000,000
Other business credit carryforwards	74,000,000
Foreign tax credit carryforwards - Before valuation allowance	1,000,000
Valuation allowance against net deferred tax assets	3,658,000,000	3,838,000,000
Unrecognized tax benefits that would impact effective income tax rate	0
Unrecognized tax benefits decrease reasonably possible	0
Accrued interest and penalties	0	$ 6,000,000
Midstream
Income Tax Examination [Line Items]
Gross deferred tax asset related to net U.S. federal operating loss carryforwards	24,000,000
Gross deferred tax asset related to net operating loss carryforwards for various U.S. states	$ 5,000,000