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STOCK-BASED COMPENSATION - Predecessor Compensation Plan (Details) - USD ($) shares in Millions | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 | Oct. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Compensation Related Costs [Abstract] |  |  |  |
Aggregate number of common stock shares authorized for issuance (in shares) |  |  | 7.3 |
Number of shares issued or reserved (in shares) |  |  | 4.7 |
Number of shares available for future issuance (in shares) |  |  | 2.6 |
Stock-based compensation expense | $ 0 | $ 3,000,000 | $ 32,000,000 | $ 45,000,000

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- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Issued Or Reserved + References No definition available. + Details
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- Definition Amount of expense for employee benefit and equity-based compensation. + References No definition available. + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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