Fresh Start Accounting - Changes in Long-Term Debt (Details) - USD ($) $ in Millions	Feb. 09, 2021	Mar. 31, 2021
Reorganizations [Abstract]
Issuance of the Notes	$ 1,000
Issuance of Tranche A and Tranche B Loans	750
Payments on Tranche A Loans	(479)
Debt issuance costs for the Notes	(10)
Net impact to long-term debt, net	$ 1,261	$ 52

Face (par) amount of debt instrument at time of issuance.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Gross amount of debt extinguished.

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Total fresh-start adjustment to long-term debt.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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