XML 192 R168.htm IDEA: XBRL DOCUMENT v3.25.0.1
Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) $ 1,669 $ 21
Other   37
Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period 772 714
Balance, end of period 2,441 772
Unrealized foreign currency translation gains (losses), net of hedging activities    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) 1,346 (339)
Unrealized foreign currency translation gains (losses), net of hedging activities | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period 1,350 1,689
Balance, end of period 2,696 1,350
Unrealized gains (losses) on FVOCI assets    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) 104 485
Other   0
Unrealized gains (losses) on FVOCI assets | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period (354) (839)
Balance, end of period (250) (354)
Unrealized gains (losses) on cash flow hedges    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period (1) (18)
Other comprehensive income (loss) 5 17
Other   0
Balance, end of period 4 (1)
Unrealized gains (losses) on cash flow hedges | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period (1) (18)
Balance, end of period 4 (1)
Share of other comprehensive income (loss) in joint ventures and associates    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) 201 (44)
Other   0
Share of other comprehensive income (loss) in joint ventures and associates | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period (151) (107)
Balance, end of period 50 (151)
Remeasurement of defined benefit plans    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) 19 (105)
Other   37
Remeasurement of defined benefit plans | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period (217) (149)
Balance, end of period (198) (217)
Share of other comprehensive income (loss) in joint ventures and associates    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) (7) 7
Other   0
Share of other comprehensive income (loss) in joint ventures and associates | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period 2 (5)
Balance, end of period (5) 2
Revaluation surplus on transfers to investment properties    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) 1 0
Other   0
Revaluation surplus on transfers to investment properties | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period 143 143
Balance, end of period 144 143
Participating account    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) (3) 9
Other   0
Participating account | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period 6 (3)
Balance, end of period 3 6
Non-controlling interests    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) 10 (3)
Other   0
Non-controlling interests | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period 1 4
Balance, end of period 11 1
Shareholders    
Disclosure of analysis of other comprehensive income by item [line items]    
Other comprehensive income (loss) 1,662 15
Other   37
Shareholders | Currently Stated, Due To Changes In Accounting Policy    
Disclosure of analysis of other comprehensive income by item [line items]    
Balance, beginning of period 765 713
Balance, end of period $ 2,427 765
Other reserves [member]    
Disclosure of analysis of other comprehensive income by item [line items]    
Other   $ 0