v3.24.2.u1
intangible assets and goodwill (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
CAD ($)
Jun. 30, 2023
CAD ($)
Jun. 30, 2024
CAD ($)
item
Jun. 30, 2023
CAD ($)
intangible assets and goodwill        
Balance at beginning of the period     $ 29,779  
Amortization $ 386 $ 408 759 $ 790
Balance at end of the period 30,871   30,871  
Accumulated impairment losses of goodwill     0  
Carrying amount $ 100   $ 100  
Carrying amount (as percent) 2.00%   2.00%  
Discount rate 9.90%   9.90%  
Perpetual growth rate 3.00%   3.00%  
Contractual commitments for the acquisition of intangible assets $ 24 $ 25 $ 24 $ 25
Long term liability for spectrum license 298   298  
Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     37,059  
Additions     1,452  
Additions arising from business acquisitions     252  
Dispositions, retirements and other (including capitalized interest)     (238)  
Net foreign exchange differences     136  
Balance at end of the period 38,661   38,661  
Accumulated amortization        
intangible assets and goodwill        
Balance at beginning of the period     (7,280)  
Amortization     (759)  
Dispositions, retirements and other (including capitalized interest)     (263)  
Net foreign exchange differences     14  
Balance at end of the period (7,790)   (7,790)  
Spectrum licences        
intangible assets and goodwill        
Balance at beginning of the period     12,250  
Balance at end of the period 13,172   13,172  
Spectrum licences | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     12,250  
Additions     918  
Dispositions, retirements and other (including capitalized interest)     4  
Balance at end of the period 13,172   $ 13,172  
Spectrum Licences 3800 Mhz        
intangible assets and goodwill        
Number of spectrum licenses purchased | item     1,430  
Intangible assets subject to amortization 620   $ 620  
Percentage of total purchase price remitted as per terms of the auction     20.00%  
Amount remitted per terms of the auction     $ 124  
Total intangible assets        
intangible assets and goodwill        
Balance at beginning of the period     19,721  
Balance at end of the period 20,598   20,598  
Total intangible assets | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     26,637  
Additions     1,452  
Additions arising from business acquisitions     101  
Dispositions, retirements and other (including capitalized interest)     (238)  
Net foreign exchange differences     72  
Balance at end of the period 28,024   28,024  
Total intangible assets | Accumulated amortization        
intangible assets and goodwill        
Balance at beginning of the period     (6,916)  
Amortization     (759)  
Dispositions, retirements and other (including capitalized interest)     (263)  
Net foreign exchange differences     14  
Balance at end of the period (7,426)   (7,426)  
Intangible assets subject to amortization        
intangible assets and goodwill        
Balance at beginning of the period     7,471  
Balance at end of the period 7,426   7,426  
Intangible assets subject to amortization | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     14,387  
Additions     534  
Additions arising from business acquisitions     101  
Dispositions, retirements and other (including capitalized interest)     (242)  
Net foreign exchange differences     72  
Balance at end of the period 14,852   14,852  
Intangible assets subject to amortization | Accumulated amortization        
intangible assets and goodwill        
Balance at beginning of the period     (6,916)  
Amortization     (759)  
Dispositions, retirements and other (including capitalized interest)     (263)  
Net foreign exchange differences     14  
Balance at end of the period (7,426)   (7,426)  
Customer contracts, related customer relationships and leasehold interests        
intangible assets and goodwill        
Balance at beginning of the period     3,827  
Balance at end of the period 3,757   3,757  
Customer contracts, related customer relationships and leasehold interests | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     5,360  
Additions     28  
Additions arising from business acquisitions     85  
Dispositions, retirements and other (including capitalized interest)     (2)  
Net foreign exchange differences     61  
Balance at end of the period 5,532   5,532  
Customer contracts, related customer relationships and leasehold interests | Accumulated amortization        
intangible assets and goodwill        
Balance at beginning of the period     (1,533)  
Amortization     (236)  
Dispositions, retirements and other (including capitalized interest)     (5)  
Net foreign exchange differences     11  
Balance at end of the period (1,775)   (1,775)  
Software        
intangible assets and goodwill        
Balance at beginning of the period     2,779  
Balance at end of the period 2,759   2,759  
Software | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     7,915  
Additions     55  
Additions arising from business acquisitions     13  
Assets under construction put into service     383  
Dispositions, retirements and other (including capitalized interest)     (243)  
Net foreign exchange differences     1  
Balance at end of the period 8,124   8,124  
Software | Accumulated amortization        
intangible assets and goodwill        
Balance at beginning of the period     (5,136)  
Amortization     (477)  
Dispositions, retirements and other (including capitalized interest)     (248)  
Balance at end of the period (5,365)   (5,365)  
Access to rights-of-way, crowdsource assets and other        
intangible assets and goodwill        
Balance at beginning of the period     335  
Balance at end of the period 352   352  
Access to rights-of-way, crowdsource assets and other | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     582  
Additions     40  
Additions arising from business acquisitions     3  
Dispositions, retirements and other (including capitalized interest)     3  
Net foreign exchange differences     10  
Balance at end of the period 638   638  
Access to rights-of-way, crowdsource assets and other | Accumulated amortization        
intangible assets and goodwill        
Balance at beginning of the period     (247)  
Amortization     (46)  
Dispositions, retirements and other (including capitalized interest)     (10)  
Net foreign exchange differences     3  
Balance at end of the period (286)   (286)  
Assets under construction.        
intangible assets and goodwill        
Balance at beginning of the period     530  
Balance at end of the period 558   558  
Assets under construction. | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     530  
Additions     411  
Assets under construction put into service     (383)  
Balance at end of the period 558   558  
Goodwill.        
intangible assets and goodwill        
Balance at beginning of the period     10,058  
Balance at end of the period 10,273   10,273  
Goodwill. | Cost/Gross amount        
intangible assets and goodwill        
Balance at beginning of the period     10,422  
Additions arising from business acquisitions     151  
Net foreign exchange differences     64  
Balance at end of the period 10,637   10,637  
Goodwill. | Accumulated amortization        
intangible assets and goodwill        
Balance at beginning of the period     (364)  
Balance at end of the period $ (364)   $ (364)