v3.25.4
Properties (Breakdown of Properties) (Details) - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Properties including finance leases      
Cost $ 67,667 $ 66,922  
Accumulated Depreciation 18,519 18,962  
Net 49,148 47,960  
Finance leases included in properties      
Cost 541 546  
Accumulated Depreciation 173 165  
Net 368 381  
Property additions, net of finance leases      
Property additions $ 3,658 $ 3,549 $ 3,187
Track and Roadway      
Properties including finance leases      
Depreciation rate 2.00% 3.00%  
Cost $ 48,970 $ 48,744  
Accumulated Depreciation 10,678 11,557  
Net 38,292 37,187  
Finance leases included in properties      
Cost 405 405  
Accumulated Depreciation 115 110  
Net $ 290 $ 295  
Rolling stock      
Properties including finance leases      
Depreciation rate 4.00% 4.00%  
Cost $ 9,527 $ 9,482  
Accumulated Depreciation 3,786 3,642  
Net 5,741 5,840  
Finance leases included in properties      
Cost 12 12  
Accumulated Depreciation 2 2  
Net $ 10 $ 10  
Buildings      
Properties including finance leases      
Depreciation rate 3.00% 3.00%  
Cost $ 2,579 $ 2,452  
Accumulated Depreciation 930 848  
Net 1,649 1,604  
Finance leases included in properties      
Cost 27 27  
Accumulated Depreciation 13 12  
Net $ 14 $ 15  
Information technology      
Properties including finance leases      
Depreciation rate 8.00% 9.00%  
Cost $ 3,277 $ 3,128  
Accumulated Depreciation 1,597 1,460  
Net $ 1,680 $ 1,668  
Other      
Properties including finance leases      
Depreciation rate 6.00% 5.00%  
Cost $ 3,314 $ 3,116  
Accumulated Depreciation 1,528 1,455  
Net 1,786 1,661  
Finance leases included in properties      
Cost 97 102  
Accumulated Depreciation 43 41  
Net 54 61  
Land      
Properties including finance leases      
Net 2,628 2,682  
Software Development      
Properties including finance leases      
Net 173 235  
Track And Railway Infrastructure      
Property additions, net of finance leases      
Property additions 1,639 1,564  
Right-of-Way Access      
Finance leases included in properties      
Net $ 106 $ 106