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Insurance - Summary of Reconciliation of Changes In Insurance Contracts (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items] |  |  |
Beginning balance |  | $ 37 | $ 32
Insurance expenses |  | 28 | 21
Claims and other amounts paid |  | (23) | (15)
Impact of discounting and other changes |  | (3) | (1)
Ending balance |  | 39 | 37
Current |  | 14 | 12
Non-current |  | 25 | 25
Total |  | 39 | 37
Incurred but not reported claims (‘IBNR') [member] |  |  |
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items] |  |  |
Beginning balance | [1] | 20 |
Ending balance | [1] | 18 | 20
Total | [1] | 18 | 20
Reported but not settled claims [member] |  |  |
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items] |  |  |
Beginning balance |  | 17 |
Ending balance |  | 21 | 17
Total |  | $ 21 | $ 17
[1] | Includes unallocated loss expenses.

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The increase (decrease) in insurance contracts liability (asset) resulting from additional items that may be necessary to understand the change in the net carrying amount of the insurance contracts. [Refer: Insurance contracts liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 105 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_105_d&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in insurance contracts liability (asset) resulting from incurred claims paid and other insurance service expenses paid for insurance contracts issued, excluding insurance acquisition cash flows. [Refer: Insurance contracts liability (asset); Increase (decrease) through insurance acquisition cash flows, insurance contracts liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 105 -Subparagraph a -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_105_a_iii&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in insurance contracts liability (asset) resulting from insurance service expenses. [Refer: Insurance contracts liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 103 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_103_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of insurance contracts that are liabilities. [Refer: Liabilities; Insurance contracts [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 99 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_99_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Insurance contracts that are liabilities current. + References No definition available. + Details
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- Definition Insurance contracts that are liabilities non-current. + References No definition available. + Details
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- Details
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- Details
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