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Consolidated statement of comprehensive income (Parenthetical) - CAD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2025
Apr. 30, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Statement of comprehensive income [abstract]          
Gains (losses) on investments in equity-accounted associates and joint ventures included in OCI $ 10 $ 20 $ 14 $ 27 $ 68