Income Taxes - Difference Between Actual Income Tax Expense and Tax Provision Computed by Applying Statutory Federal Income Tax Rate to Income Before Taxes (Detail) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Apr. 23, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
(Loss) income before income tax expense:
U.S.	$ 686,202	$ (1,048)	$ 443	$ (7,054)
Foreign	(2,687,595)	(174,642)	(14,166)	(98,552)
Loss before income tax (expense) benefit	(2,001,393)	(175,690)	(13,723)	(105,606)
Expected income tax benefit at federal statutory rate	(420,292)	(36,895)	(2,882)	(22,177)
Withholding taxes			486
Effect of tax rate changes		9,871
Reorganization items	(225,563)	266
Post-petition interest expense	(6,771)
Disallowed officers' compensation and restricted stock unit awards			(459)	2,205
Interest and penalties reported as income tax expense			831	3,318
Effect of foreign operations	163,236	79,600	32,384	12,639
Valuation allowance	515,421	(45,919)	(20,527)	(23,135)
Uncertain tax positions, settlements and adjustments relating to prior years	(67,626)	(7,220)	21,039	25,692
Other	2,191	1,951	111	(937)
Income tax (benefit) expense	$ (39,404)	$ 1,654	$ 30,983	$ (2,395)