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v3.20.1

Long-Term Debt - Schedule of Debt Repayments (Details) - CAD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | $ 20,982 | $ 20,623
Gross carrying amount |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 21,090 | $ 20,742
Gross carrying amount | 2020 |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 2,391 |
Gross carrying amount | 2021 |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 1,552 |
Gross carrying amount | 2022 |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 3,879 |
Gross carrying amount | 2023 |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 3,894 |
Gross carrying amount | 2024 |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 1,148 |
Gross carrying amount | Thereafter |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | $ 8,226 |

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