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Tax - Current Tax - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of uncertain tax positions within current tax [line items] |  |  |  |  |
Uncertain tax positions included within current tax liability | $ 14 | $ 9 |  |  |
Tax rate effect of foreign tax rates | 1.50% | 6.30% |  | 6.80% |
Profit before tax | $ 1,010 | $ 540 | [1] | $ 361 | [1]
Effective minimum tax rate | 15.00% |  |  |  |
Three Jurisdictions In The Group Failed To Meet The Exemption Criteria [Member] |  |  |  |  |
Disclosure of uncertain tax positions within current tax [line items] |  |  |  |  |
Profit before tax | $ 35 |  |  |  |
Largest single contingency does not exceed [member] |  |  |  |  |
Disclosure of uncertain tax positions within current tax [line items] |  |  |  |  |
Uncertain tax positions included within current tax liability | $ 3 | $ 3 |  |  |
Maximum [Member] |  |  |  |  |
Disclosure of uncertain tax positions within current tax [line items] |  |  |  |  |
Tax rate effect of foreign tax rates | 25.00% |  |  |  |
[1] | Re-presented for the adoption of IFRS 17 ‘Insurance Contracts’ and to combine System Fund revenues and reimbursables (see New accounting standards and other presentational changes).

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