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v3.23.1

Long term debt - Schedules (Long-term debt) (Details) - CAD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | $ 997,000 |
Long-term debt | 997,000 | $ 996,250
2023 [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | 0 |
2024 [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | 499,407 |
2025 [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | 0 |
2026 [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | 0 |
2027 [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | 398,238 |
Thereafter [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | 99,355 |
Series F [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | $ 99,355 | 99,336
Stated interest rates on debentures | 5.09% |
Maturity date of borrowings | November 14, 2042 |
Series G [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | $ 499,407 | 499,010
Stated interest rates on debentures | 4.19% |
Maturity date of borrowings | June 24, 2024 |
Series H [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Unsecured debentures | $ 398,238 | $ 397,904
Stated interest rates on debentures | 2.95% |
Maturity date of borrowings | October 21, 2027 |

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