XML 96 R71.htm IDEA: XBRL DOCUMENT v3.25.3
Leases (Details)
$ in Millions
 9 Months Ended
Sep. 30, 2025
CAD ($)
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period $ 1,950
Balance at end of period 1,914
COST  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 3,287
Additions 164
Divestitures (Note 5) (208)
Exchange Rate Movements and Other (34)
Balance at end of period 3,209
ACCUMULATED DEPRECIATION  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 1,337
Depreciation 250
Divestitures (Note 5) 162
Exchange Rate Movements and Other (130)
Balance at end of period 1,295
Real Estate  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 399
Balance at end of period 378
Real Estate | COST  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 592
Additions 4
Divestitures (Note 5) (1)
Exchange Rate Movements and Other 2
Balance at end of period 597
Real Estate | ACCUMULATED DEPRECIATION  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 193
Depreciation 27
Divestitures (Note 5) 1
Exchange Rate Movements and Other 0
Balance at end of period 219
Transportation And Storage Assets  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 1,393
Balance at end of period 1,409
Transportation And Storage Assets | COST  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 2,392
Additions 144
Divestitures (Note 5) (175)
Exchange Rate Movements and Other (30)
Balance at end of period 2,331
Transportation And Storage Assets | ACCUMULATED DEPRECIATION  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 999
Depreciation 190
Divestitures (Note 5) 144
Exchange Rate Movements and Other (123)
Balance at end of period 922
Refining Assets  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 84
Balance at end of period 61
Refining Assets | COST  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 178
Additions 0
Divestitures (Note 5) (23)
Exchange Rate Movements and Other (4)
Balance at end of period 151
Refining Assets | ACCUMULATED DEPRECIATION  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 94
Depreciation 7
Divestitures (Note 5) 8
Exchange Rate Movements and Other (3)
Balance at end of period 90
Other Assets  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 74
Balance at end of period 66
Other Assets | COST  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 125
Additions 16
Divestitures (Note 5) (9)
Exchange Rate Movements and Other (2)
Balance at end of period 130
Other Assets | ACCUMULATED DEPRECIATION  
Disclosure of quantitative information about right-of-use assets [line items]  
Balance at beginning of period 51
Depreciation 26
Divestitures (Note 5) 9
Exchange Rate Movements and Other (4)
Balance at end of period $ 64