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Goodwill and Intangible Assets - Changes in Intangible Assets (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | $ 3,370 |
Amortization charge for the year | (287) | $ (193)
Impairment of intangible assets | (18) | (9)
Intangible assets, ending balance | 4,724 | 3,370
Gross carrying amount |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | 4,713 | 3,642
Additions | 229 | 690
Acquisitions | 1,231 | 424
Disposals | (1) | (24)
Foreign exchange rate movements | 248 | (19)
Intangible assets, ending balance | 6,420 | 4,713
Accumulated amortization and impairment losses |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | (1,343) | (1,165)
Amortization charge for the year | (287) | (193)
Disposals | 1 | 24
Impairment of intangible assets | (18) | (9)
Foreign exchange rate movements | (49) | 0
Intangible assets, ending balance | (1,696) | (1,343)
Indefinite life |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | 1,058 |
Intangible assets, ending balance | 1,092 | 1,058
Indefinite life | Gross carrying amount |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | 1,081 | 938
Additions | 0 | 0
Acquisitions | 0 | 153
Disposals | 0 | 0
Foreign exchange rate movements | 36 | (10)
Intangible assets, ending balance | 1,117 | 1,081
Indefinite life | Accumulated amortization and impairment losses |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | (23) | (14)
Amortization charge for the year | 0 | 0
Disposals | 0 | 0
Impairment of intangible assets | 0 | (9)
Foreign exchange rate movements | (2) | 0
Intangible assets, ending balance | (25) | (23)
Internally generated software |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | 650 |
Intangible assets, ending balance | 996 | 650
Internally generated software | Gross carrying amount |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | 1,265 | 1,070
Additions | 206 | 219
Acquisitions | 232 | 0
Disposals | (1) | (24)
Foreign exchange rate movements | 59 | 0
Intangible assets, ending balance | 1,761 | 1,265
Internally generated software | Accumulated amortization and impairment losses |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | (615) | (561)
Amortization charge for the year | (113) | (79)
Disposals | 1 | 24
Impairment of intangible assets | (16) | 0
Foreign exchange rate movements | (22) | 1
Intangible assets, ending balance | (765) | (615)
Other |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | 1,662 |
Intangible assets, ending balance | 2,636 | 1,662
Other | Gross carrying amount |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | 2,367 | 1,634
Additions | 23 | 471
Acquisitions | 999 | 271
Disposals | 0 | 0
Foreign exchange rate movements | 153 | (9)
Intangible assets, ending balance | 3,542 | 2,367
Other | Accumulated amortization and impairment losses |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Intangible assets, beginning balance | (705) | (590)
Amortization charge for the year | (174) | (114)
Disposals | 0 | 0
Impairment of intangible assets | (2) | 0
Foreign exchange rate movements | (25) | (1)
Intangible assets, ending balance | $ (906) | $ (705)

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- Definition The increase in intangible assets other than goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 118 -Subparagraph e -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The decrease in intangible assets other than goodwill resulting from disposals. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 118 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in intangible assets other than goodwill 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: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 118 -Subparagraph e -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e_vii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 118 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_c&doctype=Standard -URIDate 2022-03-24 + Details
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