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v3.25.4

Financial Instruments and Risk Management (Risk Management Positions) (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 USD ($) $ / bbl $ / Mcf MBbls | Dec. 31, 2024 USD ($)
Derivative [Line Items] |  |
Total Fair Value Position | $ 75 | $ (20)
Oil [Member] | WTI Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volumes/day | MBbls | 36.2 |
Term | Dec. 31, 2026 |
Price Risk Derivatives, at Fair Value, Net | $ 48 |
Oil [Member] | Basis Contracts Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Price Risk Derivatives, at Fair Value, Net | 0 |
Oil and NGLs [Member] |  |
Derivative [Line Items] |  |
Price Risk Derivatives, at Fair Value, Net | $ 48 |
Oil and NGLs [Member] | Basis Contracts Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Term | Dec. 31, 2026 |
Natural Gas [Member] | Fair Value Position Excluding Unexpired Options [Member] |  |
Derivative [Line Items] |  |
Price Risk Derivatives, at Fair Value, Net | $ 27 |
Natural Gas [Member] | AECO Fixed Price Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volumes/day | MBbls | 100 |
Term | Dec. 31, 2026 |
Average Price, Fixed Price Contracts | $ / Mcf | 2.33 |
Price Risk Derivatives, at Fair Value, Net | $ 12 |
Natural Gas [Member] | NYMEX Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volumes/day | MBbls | 462 |
Term | Dec. 31, 2026 |
Price Risk Derivatives, at Fair Value, Net | $ 27 |
Natural Gas [Member] | NYMEX Three-Way Options Maturing 2027 [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volumes/day | MBbls | 25 |
Term | Dec. 31, 2027 |
Price Risk Derivatives, at Fair Value, Net | $ 0 |
Natural Gas [Member] | Basis Contracts Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Term | Dec. 31, 2026 |
Price Risk Derivatives, at Fair Value, Net | $ 0 |
Natural Gas [Member] | Basis Contracts Maturing 2027 [Member] |  |
Derivative [Line Items] |  |
Term | Dec. 31, 2027 |
Price Risk Derivatives, at Fair Value, Net | $ 3 |
Natural Gas [Member] | Basis Contracts [Member] |  |
Derivative [Line Items] |  |
Price Risk Derivatives, at Fair Value, Net | 0 |
Natural Gas [Member] | Physical Forward Contracts [Member] |  |
Derivative [Line Items] |  |
Price Risk Derivatives, at Fair Value, Net | $ (15) |
Call Option [Member] | Sold [Member] | Oil [Member] | WTI Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 71.14 |
Call Option [Member] | Sold [Member] | Natural Gas [Member] | NYMEX Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 6.46 |
Call Option [Member] | Sold [Member] | Natural Gas [Member] | NYMEX Three-Way Options Maturing 2027 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 6.16 |
Put Option [Member] | Sold [Member] | Oil [Member] | WTI Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 50.86 |
Put Option [Member] | Sold [Member] | Natural Gas [Member] | NYMEX Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 2.61 |
Put Option [Member] | Sold [Member] | Natural Gas [Member] | NYMEX Three-Way Options Maturing 2027 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 2.5 |
Put Option [Member] | Bought [Member] | Oil [Member] | WTI Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 60.21 |
Put Option [Member] | Bought [Member] | Natural Gas [Member] | NYMEX Three-Way Options Maturing 2026 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 3.33 |
Put Option [Member] | Bought [Member] | Natural Gas [Member] | NYMEX Three-Way Options Maturing 2027 [Member] |  |
Derivative [Line Items] |  |
Average Price, Options/Collars | $ / bbl | 3.5 |
Minimum [Member] | Natural Gas [Member] | Basis Contracts [Member] |  |
Derivative [Line Items] |  |
Term | Dec. 31, 2028 |
Minimum [Member] | Natural Gas [Member] | Physical Forward Contracts [Member] |  |
Derivative [Line Items] |  |
Term | Dec. 31, 2026 |
Maximum [Member] | Natural Gas [Member] | Basis Contracts [Member] |  |
Derivative [Line Items] |  |
Term | Dec. 31, 2030 |
Maximum [Member] | Natural Gas [Member] | Physical Forward Contracts [Member] |  |
Derivative [Line Items] |  |
Term | Dec. 31, 2037 |

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