v3.19.2
property, plant and equipment (Details) - CAD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
property, plant and equipment          
Property, plant and equipment at beginning of period     $ 12,091    
Depreciation $ 470 $ 411 940 $ 822  
Property, plant and equipment at end of period 13,549   13,549    
Contractual commitments for the acquisition of property, plant and equipment 165   165   $ 177
IFRS 16 effects          
property, plant and equipment          
IFRS 16, Leases transitional amount         (57)
Depreciation 46   94    
Owned assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     12,091    
Property, plant and equipment at end of period 12,287   12,287    
Owned assets | Network assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     9,656    
Property, plant and equipment at end of period 9,822   9,822    
Owned assets | Buildings and leasehold improvements          
property, plant and equipment          
Property, plant and equipment at beginning of period     1,223    
Property, plant and equipment at end of period 1,220   1,220    
Owned assets | Other          
property, plant and equipment          
Property, plant and equipment at beginning of period     385    
Property, plant and equipment at end of period 431   431    
Owned assets | Land          
property, plant and equipment          
Property, plant and equipment at beginning of period     48    
Property, plant and equipment at end of period 48   48    
Owned assets | Assets under construction          
property, plant and equipment          
Property, plant and equipment at beginning of period     779    
Property, plant and equipment at end of period 766   766    
Right-of-use lease assets          
property, plant and equipment          
Property, plant and equipment at end of period 1,262   1,262    
Right-of-use lease assets | Network assets          
property, plant and equipment          
Property, plant and equipment at end of period 166   166    
Right-of-use lease assets | Real estate          
property, plant and equipment          
Property, plant and equipment at end of period 1,069   1,069    
Impairment of assets     5    
Right-of-use lease assets | Other          
property, plant and equipment          
Property, plant and equipment at end of period 27   27    
Cost/Gross amount          
property, plant and equipment          
Property, plant and equipment at beginning of period     36,271    
Additions     1,357    
Additions arising from business acquisitions     43    
Dispositions, retirements and other     (584)    
Net foreign exchange differences     (8)    
Property, plant and equipment at end of period 37,079   37,079    
Cost/Gross amount | As previously reported          
property, plant and equipment          
Property, plant and equipment at beginning of period     35,230    
Cost/Gross amount | IFRS 16 effects          
property, plant and equipment          
IFRS 16, Leases transitional amount         1,041
Cost/Gross amount | Owned assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     35,128    
Reclassification arising from implementation of IFRS 16         (102)
Additions     1,125    
Additions arising from business acquisitions     39    
Dispositions, retirements and other     (578)    
Property, plant and equipment at end of period 35,714   35,714    
Cost/Gross amount | Owned assets | As previously reported          
property, plant and equipment          
Property, plant and equipment at beginning of period     35,230    
Cost/Gross amount | Owned assets | Network assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     29,855    
Reclassification arising from implementation of IFRS 16         (101)
Additions     445    
Additions arising from business acquisitions     36    
Dispositions, retirements and other     (447)    
Assets under construction put into service 517   517    
Property, plant and equipment at end of period 30,406   30,406    
Cost/Gross amount | Owned assets | Network assets | As previously reported          
property, plant and equipment          
Property, plant and equipment at beginning of period     29,956    
Cost/Gross amount | Owned assets | Buildings and leasehold improvements          
property, plant and equipment          
Property, plant and equipment at beginning of period     3,273    
Additions     15    
Dispositions, retirements and other     (91)    
Assets under construction put into service 44   44    
Property, plant and equipment at end of period 3,241   3,241    
Cost/Gross amount | Owned assets | Buildings and leasehold improvements | As previously reported          
property, plant and equipment          
Property, plant and equipment at beginning of period     3,273    
Cost/Gross amount | Owned assets | Other          
property, plant and equipment          
Property, plant and equipment at beginning of period     1,173    
Reclassification arising from implementation of IFRS 16         (1)
Additions     67    
Additions arising from business acquisitions     3    
Dispositions, retirements and other     (40)    
Assets under construction put into service 50   50    
Property, plant and equipment at end of period 1,253   1,253    
Cost/Gross amount | Owned assets | Other | As previously reported          
property, plant and equipment          
Property, plant and equipment at beginning of period     1,174    
Cost/Gross amount | Owned assets | Land          
property, plant and equipment          
Property, plant and equipment at beginning of period     48    
Property, plant and equipment at end of period 48   48    
Cost/Gross amount | Owned assets | Land | As previously reported          
property, plant and equipment          
Property, plant and equipment at beginning of period     48    
Cost/Gross amount | Owned assets | Assets under construction          
property, plant and equipment          
Property, plant and equipment at beginning of period     779    
Additions     598    
Assets under construction put into service (611)   (611)    
Property, plant and equipment at end of period 766   766    
Cost/Gross amount | Owned assets | Assets under construction | As previously reported          
property, plant and equipment          
Property, plant and equipment at beginning of period     779    
Cost/Gross amount | Right-of-use lease assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     1,143    
Reclassification arising from implementation of IFRS 16         102
Additions     232    
Additions arising from business acquisitions     4    
Dispositions, retirements and other     (6)    
Net foreign exchange differences     (8)    
Property, plant and equipment at end of period 1,365   1,365    
Cost/Gross amount | Right-of-use lease assets | IFRS 16 effects          
property, plant and equipment          
IFRS 16, Leases transitional amount         1,041
Cost/Gross amount | Right-of-use lease assets | Network assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     101    
Reclassification arising from implementation of IFRS 16         101
Additions     71    
Dispositions, retirements and other     (1)    
Property, plant and equipment at end of period 171   171    
Cost/Gross amount | Right-of-use lease assets | Real estate          
property, plant and equipment          
Property, plant and equipment at beginning of period     1,011    
Additions     156    
Additions arising from business acquisitions     4    
Dispositions, retirements and other     (5)    
Net foreign exchange differences     (8)    
Property, plant and equipment at end of period 1,158   1,158    
Cost/Gross amount | Right-of-use lease assets | Real estate | IFRS 16 effects          
property, plant and equipment          
IFRS 16, Leases transitional amount         1,011
Cost/Gross amount | Right-of-use lease assets | Other          
property, plant and equipment          
Property, plant and equipment at beginning of period     31    
Reclassification arising from implementation of IFRS 16         1
Additions     5    
Property, plant and equipment at end of period 36   36    
Cost/Gross amount | Right-of-use lease assets | Other | IFRS 16 effects          
property, plant and equipment          
IFRS 16, Leases transitional amount         30
Accumulated depreciation          
property, plant and equipment          
Property, plant and equipment at beginning of period     23,139    
Depreciation     940    
Dispositions, retirements and other     (549)    
Property, plant and equipment at end of period 23,530   23,530    
Accumulated depreciation | IFRS 16 effects          
property, plant and equipment          
Property, plant and equipment at beginning of period     (23,139)    
Accumulated depreciation | Owned assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     23,138    
Reclassification arising from implementation of IFRS 16         (1)
Depreciation     842    
Dispositions, retirements and other     (553)    
Property, plant and equipment at end of period 23,427   23,427    
Accumulated depreciation | Owned assets | IFRS 16 effects          
property, plant and equipment          
Property, plant and equipment at beginning of period     (23,139)    
Accumulated depreciation | Owned assets | Network assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     20,299    
Reclassification arising from implementation of IFRS 16         (1)
Depreciation     721    
Dispositions, retirements and other     (436)    
Property, plant and equipment at end of period 20,584   20,584    
Accumulated depreciation | Owned assets | Network assets | IFRS 16 effects          
property, plant and equipment          
Property, plant and equipment at beginning of period     (20,300)    
Accumulated depreciation | Owned assets | Buildings and leasehold improvements          
property, plant and equipment          
Property, plant and equipment at beginning of period     2,050    
Depreciation     59    
Dispositions, retirements and other     (88)    
Property, plant and equipment at end of period 2,021   2,021    
Accumulated depreciation | Owned assets | Buildings and leasehold improvements | IFRS 16 effects          
property, plant and equipment          
Property, plant and equipment at beginning of period     (2,050)    
Accumulated depreciation | Owned assets | Other          
property, plant and equipment          
Property, plant and equipment at beginning of period     789    
Depreciation     62    
Dispositions, retirements and other     (29)    
Property, plant and equipment at end of period 822   822    
Accumulated depreciation | Owned assets | Other | IFRS 16 effects          
property, plant and equipment          
Property, plant and equipment at beginning of period     (789)    
Accumulated depreciation | Right-of-use lease assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     1    
Reclassification arising from implementation of IFRS 16         1
Depreciation     98    
Dispositions, retirements and other     4    
Property, plant and equipment at end of period 103   103    
Accumulated depreciation | Right-of-use lease assets | Network assets          
property, plant and equipment          
Property, plant and equipment at beginning of period     1    
Reclassification arising from implementation of IFRS 16         $ 1
Depreciation     4    
Property, plant and equipment at end of period 5   5    
Accumulated depreciation | Right-of-use lease assets | Real estate          
property, plant and equipment          
Depreciation     89    
Property, plant and equipment at end of period 89   89    
Accumulated depreciation | Right-of-use lease assets | Other          
property, plant and equipment          
Depreciation     5    
Dispositions, retirements and other     4    
Property, plant and equipment at end of period $ 9   $ 9