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EXPLORATION AND EVALUATION ASSETS (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Exploration and Evaluation Assets |  |
Beginning balance | $ 436 | $ 166
Amortization | (18) | (2)
Ending balance | 631 | 436
Exploration and Evaluation Assets |  |
Exploration and Evaluation Assets |  |
Beginning balance | 2,286 | 2,428
Acquisitions and additions | 2 | 176
Transfers to oil and gas assets |  | (170)
Dry hole expenses |  | (80)
Disposals and derecognition | (54) | (70)
Foreign exchange adjustments | (8) | 2
Ending balance | $ 2,226 | $ 2,286

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