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Long-Term Debt - CEI Term Loan A and CEI Revolving Credit Facility (Details) |  |  |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 28, 2024 USD ($) | Feb. 06, 2024 USD ($) | Feb. 06, 2023 USD ($) | Oct. 05, 2022 USD ($) stepdown | Dec. 31, 2024 USD ($) | Nov. 30, 2024 | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jul. 20, 2020 USD ($) | Jul. 06, 2020
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  | $ 89,000,000 | $ 200,000,000 | $ 85,000,000 |  |
Senior Secured Notes Due 2025 |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  | 48,000,000 |  |  |  |
Senior Notes | CEI Term Loan B |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 2,500,000,000 |  |  |  |  |  |  |  |
Percentage of original principal amount amortization |  |  | 0.25% |  |  |  |  |  |  |  |
Percentage of principal amount issued |  |  | 99.00% |  |  |  |  |  |  |  |
Repayments of debt | $ 100,000,000 |  |  |  | $ 300,000,000 |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  | 5,000,000 |  |  |  |
Senior Notes | CEI Term Loan B | SOFR | Component One | Minimum |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  |  |  | 0.50% |  |  |  |  |
Senior Notes | CEI Term Loan B | Base rate |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  |  |  | 1.25% |  |  |  |  |
Senior Notes | CEI Term Loan B | Applicable Margin |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  |  |  | 2.25% |  |  |  |  |
Senior Notes | CEI Term Loan B-1 |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 2,900,000,000 |  |  |  |  |  |  |  |  |
Percentage of original principal amount amortization |  | 0.25% |  |  |  |  |  |  |  |  |
Percentage of principal amount issued |  | 99.75% |  |  |  |  |  |  |  |  |
Senior Notes | CEI Term Loan B-1 | SOFR | Component One | Minimum |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  |  |  | 0.50% |  |  |  |  |
Senior Notes | CEI Term Loan B-1 | Base rate |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  |  |  | 1.25% |  |  |  |  |
Senior Notes | CEI Term Loan B-1 | Applicable Margin |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  |  |  | 2.25% |  |  |  |  |
Senior Notes | CRC Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  | 5.75%
Senior Notes | CEI Senior Secured Notes due 2025 |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  | 6.25%
CEI Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Available borrowing capacity |  |  |  |  | 2,100,000,000 |  | 2,100,000,000 |  |  |  |
CEI Revolving Credit Facility | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |  | $ 2,250,000,000 |
Amount outstanding |  |  |  |  | 84,000,000 |  | 84,000,000 |  |  |  |
CEI Revolving Credit Facility, Permitted Use Reserves |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Accordion feature |  |  |  |  |  |  |  |  |  | 40,000,000 |
CEI Revolving Credit Facility, Regulatory Purpose |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Amount outstanding |  |  |  |  | $ 46,000,000 |  | $ 46,000,000 |  |  |  |
Line of Credit |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, commitment fee percentage |  |  |  | 0.35% |  |  |  |  |  |  |
Line of Credit | SOFR |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  | 2.25% |  |  |  |  |  |  |
Line of Credit | SOFR | Component One |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  | 0.10% |  |  |  |  |  |  |
Line of Credit | SOFR | Component One | Minimum |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  | 0.00% |  |  |  |  |  |  |
Line of Credit | SOFR | Component Two |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  | 1.00% |  |  |  |  |  |  |
Line of Credit | Fed Funds Effective Rate Overnight Index Swap Rate | Component Two |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  | 0.50% |  |  |  |  |  |  |
Line of Credit | Base rate |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate (as a percent) |  |  |  | 1.25% |  |  |  |  |  |  |
Line of Credit | Letter of Credit |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |  | $ 388,000,000 |
Line of Credit | Secured Debt |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 750,000,000 |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 1.25% |  |  |  |  |  |  |
Number of stepdowns | stepdown |  |  |  | 3 |  |  |  |  |  |  |
Leverage ratio stepdown |  |  |  | 0.25% |  |  |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |
Number of stepdowns | stepdown |  |  |  | 3 |  |  |  |  |  |  |
Leverage ratio stepdown |  |  |  | 0.05% |  |  |  |  |  |  |

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