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Condensed parent company financial information - Company Provided Guarantees in Respect of Certain Borrowings of Subsidiaries (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 3,274 | $ 3,166 |
EUR600m 4.375% bonds 2029 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Maturity date | 28 November 2029 |  |
EUR750m 3.625% bonds 2031 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Maturity date | 27 September 2031 |  |
Parent [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 1,407 | 663 | $ 0
Parent [member] | EUR600m 4.375% bonds 2029 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Maturity date | 28 November 2029 |  |
Borrowings | $ 623 | 663 | 0
Parent [member] | EUR750m 3.625% bonds 2031 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Maturity date | 27 September 2031 |  |
Borrowings | $ 784 | $ 0 | $ 0

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- Definition The maturity of borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
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