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Leases - Disclosure of Right-Of-Use Assets (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | $ 28,235 | $ 27,513
Ending balance | 29,256 | 28,235
COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 82,053 | 79,198
Additions | 5,893 | 5,484
Business combinations/(business disposition) | (14) | 14
Ending balance | 83,612 | 82,053
ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (53,818) | (51,685)
Ending balance | (54,356) | (53,818)
Right-of-use assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 4,079 | 4,126
Ending balance | 4,150 | 4,079
Right-of-use assets | COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 7,171 | 6,685
Additions | 1,017 | 788
Transfers | (201) | (255)
Business combinations/(business disposition) | (9) | 12
Lease terminations | (42) | (53)
Impairment losses recognized in earnings | (124) | (6)
Ending balance | 7,812 | 7,171
Right-of-use assets | ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (3,092) | (2,559)
Transfers | (117) | (133)
Business combinations/(business disposition) | (7) |
Lease terminations | (15) | (28)
Depreciation | 709 | 694
Ending balance | (3,662) | (3,092)
Right-of-use assets | NETWORK INFRASTRUCTURE AND EQUIPMENT |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 1,686 | 2,217
Ending balance | 1,889 | 1,686
Right-of-use assets | NETWORK INFRASTRUCTURE AND EQUIPMENT | COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 3,240 | 3,690
Additions | 681 | 574
Transfers | (195) | (977)
Business combinations/(business disposition) | 2 | 0
Lease terminations | (35) | (47)
Impairment losses recognized in earnings | 0 | 0
Ending balance | 3,693 | 3,240
Right-of-use assets | NETWORK INFRASTRUCTURE AND EQUIPMENT | ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (1,554) | (1,473)
Transfers | (112) | (310)
Business combinations/(business disposition) | 0 |
Lease terminations | (12) | (28)
Depreciation | 374 | 419
Ending balance | (1,804) | (1,554)
Right-of-use assets | LAND AND BUILDINGS |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 2,393 | 1,909
Ending balance | 2,261 | 2,393
Right-of-use assets | LAND AND BUILDINGS | COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 3,931 | 2,995
Additions | 336 | 214
Transfers | (6) | 722
Business combinations/(business disposition) | (11) | 12
Lease terminations | (7) | (6)
Impairment losses recognized in earnings | (124) | (6)
Ending balance | 4,119 | 3,931
Right-of-use assets | LAND AND BUILDINGS | ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (1,538) | (1,086)
Transfers | (5) | 177
Business combinations/(business disposition) | (7) |
Lease terminations | (3) | 0
Depreciation | 335 | 275
Ending balance | $ (1,858) | $ (1,538)

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- Definition Acquisitions through business combinations (disposals), property, plant and equipment + References No definition available. + Details
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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of impairment loss recognised in profit or loss. [Refer: Impairment loss; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2022-03-24 -Paragraph 126 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_126_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2022-03-24 -Paragraph 129 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_129_a&doctype=Standard -URIDate 2022-03-24 + Details
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