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INVENTORY (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Inventory Disclosure [Abstract] |  |
Natural gas | $ 1,491 | $ 953
Crude oil | 652 | 624
Other | 112 | 93
Total Inventory | $ 2,255 | $ 1,670

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