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Investments - Future payments under contractual commitments (Details) $ in Millions | Dec. 31, 2021 CAD ($)
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Disclosure of subsidiaries [line items] |
Long-term service agreements | $ 289
2022 |
Disclosure of subsidiaries [line items] |
Long-term service agreements | 89
2023 |
Disclosure of subsidiaries [line items] |
Long-term service agreements | 46
2024 |
Disclosure of subsidiaries [line items] |
Long-term service agreements | 43
2025 |
Disclosure of subsidiaries [line items] |
Long-term service agreements | 32
2026 |
Disclosure of subsidiaries [line items] |
Long-term service agreements | 25
2027 |
Disclosure of subsidiaries [line items] |
Long-term service agreements | $ 54

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