DERIVATIVES - Schedule of Gains and Losses on Derivative Instruments Included in Statement of Operations (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivative [Line Items] | |||
| Gain (loss) on derivative instruments, net: | $ 44 | $ 11 | $ (26) |
| Net cash receipts (payments) on derivatives: | 30 | (3) | (13) |
| Commodity contracts | |||
| Derivative [Line Items] | |||
| Gain (loss) on derivative instruments, net: | 31 | 15 | (26) |
| Net cash receipts (payments) on derivatives: | 27 | (3) | (13) |
| 2026 WTI Contingent Liability | |||
| Derivative [Line Items] | |||
| Gain (loss) on derivative instruments, net: | 10 | (4) | 0 |
| Treasury locks | |||
| Derivative [Line Items] | |||
| Gain (loss) on derivative instruments, net: | 3 | 0 | 0 |
| Net cash receipts (payments) on derivatives: | $ 3 | $ 0 | $ 0 |