XML 119 R102.htm IDEA: XBRL DOCUMENT v3.24.0.1
Accumulated Other Comprehensive Income (Components of Accumulated Other Comprehensive Income) (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance $ 11,441 $ 10,150
Net current period other comprehensive income (loss) (273) 553
Ending Balance 12,088 11,441
Accumulated Other Comprehensive Income (Loss)    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 578 25
Other comprehensive income (loss) before reclassifications (232) 531
Amounts reclassified from accumulated other comprehensive income loss (41) 22
Net current period other comprehensive income (loss) (273) 553
Ending Balance 305 578
Unrealized (loss) gain on translation of self-sustaining foreign operations    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 639 10
Other comprehensive income (loss) before reclassifications (270) 629
Amounts reclassified from accumulated other comprehensive income loss 0 0
Net current period other comprehensive income (loss) (270) 629
Ending Balance 369 639
Net change in net investment hedges    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (62) 35
Other comprehensive income (loss) before reclassifications 38 (97)
Amounts reclassified from accumulated other comprehensive income loss 0 0
Net current period other comprehensive income (loss) 38 (97)
Ending Balance (24) (62)
Losses on derivatives recognized as cash flow hedges    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 16 18
Other comprehensive income (loss) before reclassifications   0
Amounts reclassified from accumulated other comprehensive income loss (2) (2)
Net current period other comprehensive income (loss) (2) (2)
Ending Balance 14 16
Net change on available-for-sale investments    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (2) (1)
Other comprehensive income (loss) before reclassifications 0 (1)
Amounts reclassified from accumulated other comprehensive income loss 0 0
Net current period other comprehensive income (loss) 0 (1)
Ending Balance (2) (2)
Net change in unrecognized pension and post-retirement benefit costs    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (13) (37)
Other comprehensive income (loss) before reclassifications 0 0
Amounts reclassified from accumulated other comprehensive income loss (39) 24
Net current period other comprehensive income (loss) (39) 24
Ending Balance $ (52) $ (13)