v3.22.4
Change In Accounting Policy (Consolidated Statements of Cash Flows) (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Net income $ 5,118 $ 4,899 [1] $ 3,545 [2]
Pension income and funding (387) (314) [3] (211) [3]
Deferred income taxes $ 404 513 [3] 481 [3]
Previously Reported [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Net income   4,892 3,562
Pension income and funding   (305) (234)
Deferred income taxes   $ 511 $ 487
[1] In the first quarter of 2022, the Company changed its method of calculating market-related values of pension assets for its defined benefit plans using a retrospective approach. Comparative figures have been restated to conform to the change in methodology. See Note 2 – Change in accounting policy for additional information.
[2] In the first quarter of 2022, the Company changed its method of calculating market-related values of pension assets for its defined benefit plans using a retrospective approach. Comparative figures have been restated to conform to the change in methodology. See Note 2 – Change in accounting policy for additional information.
[3] In the first quarter of 2022, the Company changed its method of calculating market-related values of pension assets for its defined benefit plans using a retrospective approach. Comparative figures have been restated to conform to the change in methodology. See Note 2 – Change in accounting policy for additional information.