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property, plant and equipment (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
property, plant and equipment |  |
Property, plant and equipment at beginning of period | $ 17,248 |
Depreciation | 2,513 | $ 2,514
Property, plant and equipment at end of period | 17,337 | 17,248
Additions in respect of asset retirement obligations | 2 | 59
Impairment reversal | 23 | 0
Impairment of real estate right-of-use lease assets | 79 | 36
Contractual commitments for the acquisition of property, plant and equipment | 267 | 297
Owned assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 14,714 |
Property, plant and equipment at end of period | 14,562 | 14,714
Owned assets | Network assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 11,900 |
Property, plant and equipment at end of period | 11,865 | 11,900
Owned assets | Buildings and leasehold improvements |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,426 |
Property, plant and equipment at end of period | 1,515 | 1,426
Owned assets | Computer hardware and other |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 616 |
Property, plant and equipment at end of period | 543 | 616
Owned assets | Land |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 83 |
Property, plant and equipment at end of period | 88 | 83
Owned assets | Investment property |  |
property, plant and equipment |  |
Property, plant and equipment at end of period | 46 |
Owned assets | Assets under construction |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 689 |
Property, plant and equipment at end of period | 505 | 689
Right-of-use lease assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 2,534 |
Property, plant and equipment at end of period | 2,775 | 2,534
Right-of-use lease assets | Network assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,136 |
Property, plant and equipment at end of period | 1,486 | 1,136
Right-of-use lease assets | Real estate |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,330 |
Property, plant and equipment at end of period | 1,220 | 1,330
Right-of-use lease assets | Other |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 68 |
Property, plant and equipment at end of period | 69 | 68
Cost/Gross amount |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 47,408 | 45,504
Additions | 2,637 | 2,681
Additions arising from business acquisitions | 24 | 80
Dispositions, retirements and other | (1,891) | (830)
Net foreign exchange differences | 102 | (27)
Property, plant and equipment at end of period | 48,280 | 47,408
Cost/Gross amount | Owned assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 43,598 | 42,452
Additions | 1,622 | 1,900
Additions arising from business acquisitions | 15 | 52
Transfers | 386 |
Dispositions, retirements and other | (1,803) | (790)
Net foreign exchange differences | 58 | (16)
Property, plant and equipment at end of period | 43,876 | 43,598
Cost/Gross amount | Owned assets | Network assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 37,154 | 36,036
Additions | 881 | 1,006
Additions arising from business acquisitions |  | 36
Assets under construction put into service | 493 | 625
Transfers | 248 |
Dispositions, retirements and other | (1,395) | (547)
Net foreign exchange differences | 3 | (2)
Property, plant and equipment at end of period | 37,384 | 37,154
Cost/Gross amount | Owned assets | Buildings and leasehold improvements |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 3,830 | 3,746
Additions | 108 | 29
Additions arising from business acquisitions |  | 13
Assets under construction put into service | 120 | 175
Transfers | 93 |
Dispositions, retirements and other | (189) | (129)
Net foreign exchange differences | 20 | (4)
Property, plant and equipment at end of period | 3,982 | 3,830
Cost/Gross amount | Owned assets | Computer hardware and other |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,842 | 1,772
Additions | 56 | 62
Additions arising from business acquisitions | 15 | 3
Assets under construction put into service | 93 | 126
Transfers | 45 |
Dispositions, retirements and other | (215) | (113)
Net foreign exchange differences | 35 | (8)
Property, plant and equipment at end of period | 1,871 | 1,842
Cost/Gross amount | Owned assets | Land |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 83 | 83
Additions | 9 |
Assets under construction put into service |  | 1
Dispositions, retirements and other | (4) | (1)
Property, plant and equipment at end of period | 88 | 83
Cost/Gross amount | Owned assets | Investment property |  |
property, plant and equipment |  |
Assets under construction put into service | 46 |
Property, plant and equipment at end of period | 46 |
Cost/Gross amount | Owned assets | Assets under construction |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 689 | 815
Additions | 568 | 803
Assets under construction put into service | (752) | (927)
Net foreign exchange differences |  | (2)
Property, plant and equipment at end of period | 505 | 689
Cost/Gross amount | Right-of-use lease assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 3,810 | 3,052
Additions | 1,015 | 781
Additions arising from business acquisitions | 9 | 28
Transfers | (386) |
Dispositions, retirements and other | (88) | (40)
Net foreign exchange differences | 44 | (11)
Property, plant and equipment at end of period | 4,404 | 3,810
Cost/Gross amount | Right-of-use lease assets | Network assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,308 | 835
Additions | 725 | 473
Transfers | (300) |
Property, plant and equipment at end of period | 1,733 | 1,308
Cost/Gross amount | Right-of-use lease assets | Real estate |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 2,386 | 2,095
Additions | 258 | 289
Additions arising from business acquisitions | 9 | 28
Transfers | (86) |
Dispositions, retirements and other | (62) | (15)
Net foreign exchange differences | 44 | (11)
Property, plant and equipment at end of period | 2,549 | 2,386
Cost/Gross amount | Right-of-use lease assets | Other |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 116 | 122
Additions | 32 | 19
Dispositions, retirements and other | (26) | (25)
Property, plant and equipment at end of period | 122 | 116
Accumulated depreciation |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 30,160 | 28,420
Depreciation | 2,513 | 2,514
Dispositions, retirements and other | (1,791) | (761)
Net foreign exchange differences | 61 | (13)
Property, plant and equipment at end of period | 30,943 | 30,160
Accumulated depreciation | Owned assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 28,884 | 27,528
Depreciation | 1,981 | 2,082
Transfers | 140 |
Dispositions, retirements and other | (1,730) | (722)
Net foreign exchange differences | 39 | (4)
Property, plant and equipment at end of period | 29,314 | 28,884
Accumulated depreciation | Owned assets | Network assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 25,254 | 24,112
Depreciation | 1,611 | 1,671
Transfers | 89 |
Dispositions, retirements and other | (1,440) | (528)
Net foreign exchange differences | 5 | (1)
Property, plant and equipment at end of period | 25,519 | 25,254
Accumulated depreciation | Owned assets | Buildings and leasehold improvements |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 2,404 | 2,322
Depreciation | 171 | 195
Transfers | 23 |
Dispositions, retirements and other | (145) | (113)
Net foreign exchange differences | 14 |
Property, plant and equipment at end of period | 2,467 | 2,404
Accumulated depreciation | Owned assets | Computer hardware and other |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,226 | 1,094
Depreciation | 199 | 216
Transfers | 28 |
Dispositions, retirements and other | (145) | (81)
Net foreign exchange differences | 20 | (3)
Property, plant and equipment at end of period | 1,328 | 1,226
Accumulated depreciation | Right-of-use lease assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,276 | 892
Depreciation | 532 | 432
Transfers | (140) |
Dispositions, retirements and other | (61) | (39)
Net foreign exchange differences | 22 | (9)
Property, plant and equipment at end of period | 1,629 | 1,276
Accumulated depreciation | Right-of-use lease assets | Network assets |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 172 | 50
Depreciation | 193 | 122
Transfers | (118) |
Property, plant and equipment at end of period | 247 | 172
Accumulated depreciation | Right-of-use lease assets | Real estate |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 1,056 | 795
Depreciation | 319 | 291
Transfers | (22) |
Dispositions, retirements and other | (46) | (21)
Net foreign exchange differences | 22 | (9)
Property, plant and equipment at end of period | 1,329 | 1,056
Accumulated depreciation | Right-of-use lease assets | Other |  |
property, plant and equipment |  |
Property, plant and equipment at beginning of period | 48 | 47
Depreciation | 20 | 19
Dispositions, retirements and other | (15) | (18)
Property, plant and equipment at end of period | $ 53 | $ 48

X
- 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 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of additions to property, plant and equipment including right-of-use assets other than those acquired 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 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of contractual commitments for the acquisition of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 74 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_74_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The decrease in property, plant and equipment including right-of-use assets resulting from disposals and retirements. [Refer: Property, plant and equipment including right-of-use assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment including right-of-use assets. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment including right-of-use assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in property, plant and equipment including right-of-use assets resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment including right-of-use assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in property, plant and equipment including right-of-use assets resulting from transfers from construction in progress. [Refer: Property, plant and equipment including right-of-use assets; Construction in progress] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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