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FRESH START ACCOUNTING - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Oct. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Debt |  |  |
Long-term debt (principal amount) | $ 599 | $ 725 | $ 5,000
Debt issuance costs | (2) | (2) |
Total long-term debt, net | 597 | 723 |
Second Lien Term Loan | Lien Notes |  |  |
Debt |  |  |
Long-term debt (principal amount) | 200 | 200 |
EHP Notes | Senior Notes (Unsecured) |  |  |
Debt |  |  |
Long-term debt (principal amount) | 300 | 300 |
Revolving Credit Facility | Line of Credit |  |  |
Debt |  |  |
Long-term debt (principal amount) | $ 99 | $ 225 |

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