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v3.25.3

Risk Management - Net Fair Value of Risk Management Positions (Details) MMBbls in Millions, $ in Millions | Sep. 30, 2025 CAD ($) MMBbls $ / bbl | Dec. 31, 2024 CAD ($)
--- | --- | ---
Disclosure of Derivative Financial Instruments [Line Items] |  |
Fair Value Asset (Liability) | $ 64 | $ 7
Power Swap Contracts |  |
Disclosure of Derivative Financial Instruments [Line Items] |  |
Fair Value Asset (Liability) | 3 |
Renewable Power Contracts |  |
Disclosure of Derivative Financial Instruments [Line Items] |  |
Fair Value Asset (Liability) | 57 |
Foreign Exchange Contracts |  |
Disclosure of Derivative Financial Instruments [Line Items] |  |
Fair Value Asset (Liability) | $ (4) |
WTI Fixed - Sell | Crude Oil and Condensate Contracts |  |
Disclosure of Derivative Financial Instruments [Line Items] |  |
Notional Volumes | MMBbls | 6.4 |
Weighted Average Price | $ / bbl | 63.00 |
Fair Value Asset (Liability) | $ 10 |
WTI Fixed - Buy | Crude Oil and Condensate Contracts |  |
Disclosure of Derivative Financial Instruments [Line Items] |  |
Notional Volumes | MMBbls | 0.2 |
Weighted Average Price | $ / bbl | 61.15 |
Fair Value Asset (Liability) | $ 0 |
Other financial positions |  |
Disclosure of Derivative Financial Instruments [Line Items] |  |
Fair Value Asset (Liability) | $ (2) |

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