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v3.25.4

Leases - Disclosure of Right-Of-Use Assets (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | $ 30,001 | $ 30,352
Ending balance | 33,541 | 30,001
Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 4,553 | 4,726
Ending balance |  | 4,553
Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 4,553 |
Ending balance | 4,341 | 4,553
Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 88,537 | 86,836
Additions | 4,578 | 4,629
Reclassified to assets held for sale | (3) | (11)
Ending balance | 93,041 | 88,537
Cost | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 9,420 | 9,045
Additions |  | 771
Transfers |  | (250)
Business acquisitions |  | 140
Lease terminations |  | (190)
Impairment (losses) reversals recognized in earnings |  | 86
Ending balance |  | 9,420
Cost | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 9,420 |
Additions | 852 |
Transfers | (375) |
Business acquisitions | 52 |
Lease terminations | (724) |
Impairment (losses) reversals recognized in earnings | 9 |
Reclassified to assets held for sale | (2) | (10)
Ending balance | 9,232 | 9,420
Accumulated depreciation |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (58,536) | (56,484)
Ending balance | (59,500) | (58,536)
Accumulated depreciation | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (4,867) | (4,319)
Depreciation |  | 848
Transfers |  | (133)
Lease terminations |  | (167)
Ending balance |  | (4,867)
Accumulated depreciation | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (4,867) |
Depreciation | 874 |
Transfers | (161) |
Lease terminations | (689) |
Ending balance | (4,891) | (4,867)
Network infrastructure and equipment | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 2,024 | 2,168
Ending balance |  | 2,024
Network infrastructure and equipment | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 2,024 |
Ending balance | 1,785 | 2,024
Network infrastructure and equipment | Cost | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 4,421 | 4,271
Additions |  | 444
Transfers |  | (245)
Business acquisitions |  | 0
Lease terminations |  | (49)
Impairment (losses) reversals recognized in earnings |  | 0
Ending balance |  | 4,421
Network infrastructure and equipment | Cost | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Additions | 379 |
Transfers | (282) |
Business acquisitions | 0 |
Lease terminations | (668) |
Impairment (losses) reversals recognized in earnings | (8) |
Reclassified to assets held for sale | 0 | 0
Ending balance | 3,842 |
Network infrastructure and equipment | Accumulated depreciation | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (2,397) | (2,103)
Depreciation |  | 464
Transfers |  | (135)
Lease terminations |  | (35)
Ending balance |  | (2,397)
Network infrastructure and equipment | Accumulated depreciation | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Depreciation | 461 |
Transfers | (141) |
Lease terminations | (660) |
Ending balance | (2,057) |
Land and buildings | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 2,529 | 2,558
Ending balance |  | 2,529
Land and buildings | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 2,529 |
Ending balance | 2,556 | 2,529
Land and buildings | Cost | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 4,999 | 4,774
Additions |  | 327
Transfers |  | (5)
Business acquisitions |  | 140
Lease terminations |  | (141)
Impairment (losses) reversals recognized in earnings |  | 86
Ending balance |  | 4,999
Land and buildings | Cost | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Additions | 473 |
Transfers | (93) |
Business acquisitions | 52 |
Lease terminations | (56) |
Impairment (losses) reversals recognized in earnings | 17 |
Reclassified to assets held for sale | (2) | (10)
Ending balance | 5,390 |
Land and buildings | Accumulated depreciation | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (2,470) | (2,216)
Depreciation |  | 384
Transfers |  | 2
Lease terminations |  | (132)
Ending balance |  | $ (2,470)
Land and buildings | Accumulated depreciation | Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Depreciation | 413 |
Transfers | (20) |
Lease terminations | (29) |
Ending balance | $ (2,834) |

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- Definition The increase in property, plant and equipment including right-of-use assets resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment including right-of-use assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2025-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard -URIDate 2025-03-27 + Details
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