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intangible assets and goodwill (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 CAD ($) item | Dec. 31, 2023 CAD ($)
intangible assets and goodwill |  |
Balance at beginning of the period | $ 29,779 |
Amortization | 1,523 | $ 1,555
Balance at end of the period | 31,137 | 29,779
Accumulated impairment losses of goodwill | 0 |
Contractual commitments for the acquisition of intangible assets | 37 | 25
Cash payments for spectrum licences | 637 | 29
Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 37,059 | 34,754
Additions | 1,984 | 1,010
Additions arising from business acquisitions | 546 | 1,972
Dispositions, retirements and other (including capitalized interest) | 346 | (580)
Net foreign exchange differences | 358 | (97)
Balance at end of the period | 39,601 | 37,059
Accumulated amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | (7,280) | (6,384)
Amortization | (1,523) | (1,555)
Dispositions, retirements and other (including capitalized interest) | (390) | (653)
Net foreign exchange differences | 51 | (6)
Balance at end of the period | (8,464) | (7,280)
Spectrum licences |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 12,250 |
Balance at end of the period | 13,206 | 12,250
Spectrum licences | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 12,250 | 12,215
Additions | 936 | 29
Dispositions, retirements and other (including capitalized interest) | (20) | 6
Balance at end of the period | $ 13,206 | 12,250
Spectrum Licences 3800 Mhz |  |
intangible assets and goodwill |  |
Number of spectrum licenses purchased | item | 1,430 |
Intangible assets subject to amortization | $ 620 |
Percentage of total purchase price remitted as per terms of the auction | 20.00% |
Amount remitted per terms of the auction | $ 124 |
AWS - 4 spectrum |  |
intangible assets and goodwill |  |
Cash payments for spectrum licences | 17 |
Long term liability for spectrum license | 298 |
Total intangible assets |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 19,721 |
Balance at end of the period | 20,593 | 19,721
Total intangible assets | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 26,637 | 25,259
Additions | 1,984 | 1,010
Additions arising from business acquisitions | 227 | 997
Dispositions, retirements and other (including capitalized interest) | 346 | (580)
Net foreign exchange differences | 191 | (49)
Balance at end of the period | 28,693 | 26,637
Total intangible assets | Accumulated amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | (6,916) | (6,020)
Amortization | (1,523) | (1,555)
Dispositions, retirements and other (including capitalized interest) | (390) | (653)
Net foreign exchange differences | 51 | (6)
Balance at end of the period | (8,100) | (6,916)
Intangible assets subject to amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 7,471 |
Balance at end of the period | 7,387 | 7,471
Intangible assets subject to amortization | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 14,387 | 13,044
Additions | 1,048 | 981
Additions arising from business acquisitions | 227 | 997
Dispositions, retirements and other (including capitalized interest) | 366 | (586)
Net foreign exchange differences | 191 | (49)
Balance at end of the period | 15,487 | 14,387
Intangible assets subject to amortization | Accumulated amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | (6,916) | (6,020)
Amortization | (1,523) | (1,555)
Dispositions, retirements and other (including capitalized interest) | (390) | (653)
Net foreign exchange differences | 51 | (6)
Balance at end of the period | (8,100) | (6,916)
Customer contracts, related customer relationships and subscriber base |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 3,827 |
Balance at end of the period | 3,699 | 3,827
Customer contracts, related customer relationships and subscriber base | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 5,360 | 4,489
Additions | 35 |
Additions arising from business acquisitions | 191 | 866
Dispositions, retirements and other (including capitalized interest) | 3 | 47
Net foreign exchange differences | 159 | (42)
Balance at end of the period | 5,742 | 5,360
Customer contracts, related customer relationships and subscriber base | Accumulated amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | (1,533) | (1,082)
Amortization | (473) | (473)
Dispositions, retirements and other (including capitalized interest) | 1 | (18)
Net foreign exchange differences | 36 | (4)
Balance at end of the period | (2,043) | (1,533)
Software |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 2,779 |
Balance at end of the period | 2,879 | 2,779
Software | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 7,915 | 7,522
Additions | 107 | 119
Additions arising from business acquisitions | 31 |
Assets under construction put into service | 921 | 845
Dispositions, retirements and other (including capitalized interest) | 331 | (570)
Net foreign exchange differences | 6 | (1)
Balance at end of the period | 8,649 | 7,915
Software | Accumulated amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | (5,136) | (4,713)
Amortization | (959) | (995)
Dispositions, retirements and other (including capitalized interest) | (330) | (571)
Net foreign exchange differences | 5 | (1)
Balance at end of the period | (5,770) | (5,136)
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 | 335 | 335
Access to rights-of-way, crowdsource assets and other | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 582 | 498
Additions | 41 | 5
Additions arising from business acquisitions | 5 | 131
Assets under construction put into service |  | 17
Dispositions, retirements and other (including capitalized interest) | 32 | (63)
Net foreign exchange differences | 26 | (6)
Balance at end of the period | 622 | 582
Access to rights-of-way, crowdsource assets and other | Accumulated amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | (247) | (225)
Amortization | (91) | (87)
Dispositions, retirements and other (including capitalized interest) | (61) | (64)
Net foreign exchange differences | 10 | (1)
Balance at end of the period | (287) | (247)
Assets under construction. |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 530 |
Balance at end of the period | 474 | 530
Assets under construction. | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 530 | 535
Additions | 865 | 857
Assets under construction put into service | (921) | (862)
Balance at end of the period | 474 | 530
Goodwill |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 10,058 |
Balance at end of the period | 10,544 | 10,058
Goodwill | Cost/Gross amount |  |
intangible assets and goodwill |  |
Balance at beginning of the period | 10,422 | 9,495
Additions arising from business acquisitions | 319 | 975
Net foreign exchange differences | 167 | (48)
Balance at end of the period | 10,908 | 10,422
Goodwill | Accumulated amortization |  |
intangible assets and goodwill |  |
Balance at beginning of the period | (364) | (364)
Balance at end of the period | $ (364) | $ (364)

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