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Segmented Information - Summary Of Detailed Information About Geographical Areas (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Jan. 01, 2023 | [1] | Dec. 31, 2022
Disclosure of geographical areas [line items] |  |  |  |
Goodwill | $ 422 | $ 433 | $ 498 | $ 498
NAM [member] |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |
Depreciation and amortization | 74 | 69 |  |
Goodwill | 164 | 167 |  | 166
LATAM [Member] |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |
Depreciation and amortization | 53 | 48 |  |
Goodwill |  |  |  | 66
EH [Member] |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |
Depreciation and amortization | 58 | 81 |  |
Goodwill | 258 | 266 |  | 266
CANADA |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |
Goodwill | 28 | 31 |  | 30
UNITED STATES |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |
Goodwill | $ 136 | $ 136 |  | $ 136
[1] | Effective January 1, 2024, the Company changed its presentation currency from Canadian dollars to United States dollars. Refer to Note 4 “Changes in Accounting Policies” for further details.

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