XML 188 R106.htm IDEA: XBRL DOCUMENT v3.22.0.1
Property, plant and equipment - Schedule of Property, Plant and Equipment (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance $ 27,513 $ 27,636
Ending balance 28,235 27,513
Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 484  
Ending balance   484
COST    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 79,198 77,363
Additions 5,484 4,732
Acquired through business combinations 14 7
Transfers (1,034) (812)
Retirements and disposals 1,587 1,434
Impairment losses recognized in earnings (19) (27)
Reclassified to assets held for sale 3  
Ending balance 82,053 79,198
COST | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   (631)
ACCUMULATED DEPRECIATION    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance (51,685) (49,727)
Transfers 96  
Retirements and disposals (1,542) (1,322)
Reclassified to assets held for sale (1)  
Depreciation 3,627 3,475
Other (47) (48)
Ending balance (53,818) (51,685)
ACCUMULATED DEPRECIATION | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   (147)
NETWORK INFRASTRUCTURE AND EQUIPMENT    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 21,914 21,683
Ending balance 21,801 21,914
NETWORK INFRASTRUCTURE AND EQUIPMENT | COST    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 69,477 67,597
Additions 2,643 2,414
Acquired through business combinations 2 2
Transfers 358 964
Retirements and disposals 1,550 1,348
Impairment losses recognized in earnings (4) (17)
Reclassified to assets held for sale 3  
Ending balance 70,923 69,477
NETWORK INFRASTRUCTURE AND EQUIPMENT | COST | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   (135)
NETWORK INFRASTRUCTURE AND EQUIPMENT | ACCUMULATED DEPRECIATION    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance (47,563) (45,914)
Transfers (95)  
Retirements and disposals (1,515) (1,268)
Reclassified to assets held for sale (1)  
Depreciation 3,220 3,035
Other (50) (48)
Ending balance (49,122) (47,563)
NETWORK INFRASTRUCTURE AND EQUIPMENT | ACCUMULATED DEPRECIATION | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   (70)
LAND AND BUILDINGS    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 3,710 4,266
Ending balance 4,193 3,710
LAND AND BUILDINGS | COST    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 7,832 8,079
Additions 326 247
Acquired through business combinations 12 5
Transfers 771 49
Retirements and disposals 37 54
Impairment losses recognized in earnings (15) (9)
Reclassified to assets held for sale 0  
Ending balance 8,889 7,832
LAND AND BUILDINGS | COST | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   (485)
LAND AND BUILDINGS | ACCUMULATED DEPRECIATION    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance (4,122) (3,813)
Transfers 191  
Retirements and disposals (27) (54)
Reclassified to assets held for sale 0  
Depreciation 407 440
Other 3 0
Ending balance (4,696) (4,122)
LAND AND BUILDINGS | ACCUMULATED DEPRECIATION | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   (77)
ASSETS UNDER CONSTRUCTION    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 1,889 1,687
Ending balance 2,241 1,889
ASSETS UNDER CONSTRUCTION | COST    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 1,889 1,687
Additions 2,515 2,071
Acquired through business combinations 0 0
Transfers (2,163) (1,825)
Retirements and disposals 0 32
Impairment losses recognized in earnings 0 (1)
Reclassified to assets held for sale 0  
Ending balance 2,241 1,889
ASSETS UNDER CONSTRUCTION | COST | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   (11)
ASSETS UNDER CONSTRUCTION | ACCUMULATED DEPRECIATION    
Reconciliation of changes in property, plant and equipment [abstract]    
Beginning balance 0 0
Transfers 0  
Retirements and disposals 0 0
Reclassified to assets held for sale 0  
Depreciation 0 0
Other 0 0
Ending balance $ 0 0
ASSETS UNDER CONSTRUCTION | ACCUMULATED DEPRECIATION | Discontinued operations    
Reconciliation of changes in property, plant and equipment [abstract]    
Discontinued operations   $ 0