Fresh Start Accounting [Abstract]

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- Definition

Postconfirmation Current Liabilities Excluding Debt, Finance Leases, And Non Operating Liabilities

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- Definition

Postconfirmation Noncurrent Liabilities Excluding Debt, Finance Leases, And Deferred Tax Liability

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- Definition

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
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- Definition

Amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 5
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-Paragraph 7
-Subparagraph (c)
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-URI https://asc.fasb.org//1943274/2147481404/852-10-50-7

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Amount of reorganization value related to present value of discounted cash flows of the emerging entity. Reorganization value is the amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.

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Fresh Start Accounting (Reconciliation Of Enterprise Value To Reorganization Value) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Apr. 30, 2021	Dec. 31, 2020
Fresh Start Accounting [Abstract]
Enterprise value			$ 12,500	$ 12,500
Plus: Cash and cash equivalents and restricted cash	$ 1,239	$ 322	$ 2,178	940	$ 1,887
Plus: Current liabilities (excluding debt, finance leases, and non-operating liabilities)				1,179
Plus: Long term liabilities (excluding debt, finance leases, deferred tax liability)				307
Reorganization value				$ 14,926