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Right of Use Assets, Net - Summary of Right of Use Assets, Net (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | $ 2,010 | $ 1,139
Balance at end of period | 1,845 | 2,010
COST |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 2,656 | 1,502
Acquisition (Note 5) |  | 1,132
Additions | 25 | 110
Modifications | 83 | 22
Re-measurements | 7 | (4)
Transfers to Assets Held for Sale (Note 18) |  | (78)
Exchange Rate Movements and Other | (74) | (28)
Terminations | (10) |
Balance at end of period | 2,687 | 2,656
ACCUMULATED DEPRECIATION |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 646 | 363
Transfers to Assets Held for Sale (Note 18) |  | (24)
Exchange Rate Movements and Other | 95 | 24
Terminations | (6) | (3)
Depreciation | 297 | 323
Impairment Reversals (Note 11) |  | 11
Balance at end of period | 842 | 646
Real Estate |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 500 | 437
Balance at end of period | 472 | 500
Real Estate | COST |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 592 | 495
Acquisition (Note 5) |  | 99
Additions | 0 | 4
Modifications | 9 | 1
Re-measurements | 1 | (2)
Transfers to Assets Held for Sale (Note 18) |  | 0
Exchange Rate Movements and Other | (2) | (5)
Terminations | (1) |
Balance at end of period | 599 | 592
Real Estate | ACCUMULATED DEPRECIATION |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 92 | 58
Transfers to Assets Held for Sale (Note 18) |  | 0
Exchange Rate Movements and Other | 1 | 4
Terminations | 0 | 0
Depreciation | 36 | 38
Impairment Reversals (Note 11) |  | 0
Balance at end of period | 127 | 92
Transportation And Storage Assets |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 1,321 | 684
Balance at end of period | 1,195 | 1,321
Transportation And Storage Assets | COST |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 1,841 | 977
Acquisition (Note 5) |  | 765
Additions | 22 | 96
Modifications | 69 | 20
Re-measurements | 3 | 1
Transfers to Assets Held for Sale (Note 18) |  | 0
Exchange Rate Movements and Other | (89) | (18)
Terminations | (6) |
Balance at end of period | 1,840 | 1,841
Transportation And Storage Assets | ACCUMULATED DEPRECIATION |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 520 | 293
Transfers to Assets Held for Sale (Note 18) |  | 0
Exchange Rate Movements and Other | 95 | 14
Terminations | (6) | (3)
Depreciation | 226 | 239
Impairment Reversals (Note 11) |  | 5
Balance at end of period | 645 | 520
Manufacturing Assets |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 128 | 10
Balance at end of period | 116 | 128
Manufacturing Assets | COST |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 161 | 15
Acquisition (Note 5) |  | 138
Additions | 1 | 7
Modifications | 3 | 1
Re-measurements | 2 | 0
Transfers to Assets Held for Sale (Note 18) |  | 0
Exchange Rate Movements and Other | 9 | 0
Terminations | (2) |
Balance at end of period | 174 | 161
Manufacturing Assets | ACCUMULATED DEPRECIATION |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 33 | 5
Transfers to Assets Held for Sale (Note 18) |  | 0
Exchange Rate Movements and Other | (4) | 0
Terminations | 0 | 0
Depreciation | 21 | 23
Impairment Reversals (Note 11) |  | 5
Balance at end of period | 58 | 33
Other Assets |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 61 | 8
Balance at end of period | 62 | 61
Other Assets | COST |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 62 | 15
Acquisition (Note 5) |  | 130
Additions | 2 | 3
Modifications | 2 | 0
Re-measurements | 1 | (3)
Transfers to Assets Held for Sale (Note 18) |  | (78)
Exchange Rate Movements and Other | 8 | (5)
Terminations | (1) |
Balance at end of period | 74 | 62
Other Assets | ACCUMULATED DEPRECIATION |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Balance at beginning of period | 1 | 7
Transfers to Assets Held for Sale (Note 18) |  | (24)
Exchange Rate Movements and Other | 3 | 6
Terminations | 0 | 0
Depreciation | 14 | 23
Impairment Reversals (Note 11) |  | 1
Balance at end of period | $ 12 | $ 1

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