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Segmented Information - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 Segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Disclosure of geographical areas [line items] |  |  |
Number Of Reporting Segments | Segment | 3 |  |
Corporate [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Increase (decrease) of segment assets |  | $ 186 | $ (11)
NAM [member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Increase (decrease) in reporting segments operating income |  | (1) |
Increase (decrease) of segment assets |  | (183) |
EH [member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Increase (decrease) in reporting segments operating income |  | 1 |
Increase (decrease) of segment assets |  | (6) | 8
LATAM [member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Increase (decrease) of segment assets |  | $ 3 | $ 3
Bottom of range [member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Percentage of entities revenue | 10.00% | 10.00% |

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- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2024-01-01 -Paragraph 34 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2024-en-r&anchor=para_34&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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- Details
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- Details
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