XML 193 R140.htm IDEA: XBRL DOCUMENT v3.25.0.1
provisions (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
provisions reconciliation    
Balance as at beginning of period $ 1,061 $ 704
Additions 615 1,101
Reversals (169) (88)
Uses (589) (700)
Interest effects (13) 53
Effects of foreign exchange, net 17 (9)
Balance as at end of period 922 1,061
Current 236  
Non-current 686  
Total 922 1,061
Asset retirement obligations    
provisions reconciliation    
Balance as at beginning of period 378 316
Additions 40 36
Uses (13) (10)
Interest effects (27) 36
Balance as at end of period 378 378
Current 25  
Non-current 353  
Total 378 378
Differences of interest effect due to change in discount rates as compared to interest accretion on provisions (42) 23
Employee-related    
provisions reconciliation    
Balance as at beginning of period 219 84
Additions 312 547
Reversals (7) (12)
Uses (391) (400)
Balance as at end of period 133 219
Current 126  
Non-current 7  
Total 133 219
Written put options and contingent consideration    
provisions reconciliation    
Balance as at beginning of period 276 157
Additions 9 288
Reversals (106) (68)
Uses   (110)
Interest effects 14 17
Effects of foreign exchange, net 17 (8)
Balance as at end of period 210 276
Current 5  
Non-current 205  
Total 210 276
Other    
provisions reconciliation    
Balance as at beginning of period 188 147
Additions 254 230
Reversals (56) (8)
Uses (185) (180)
Effects of foreign exchange, net   (1)
Balance as at end of period 201 188
Current 80  
Non-current 121  
Total 201 $ 188
Other reversals rationalization of real estate amounts $ 37