Deferred Tax - Summary of Estimated Recovery Period For Deferred Tax Balances (Detail) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Statement [Line Items] | ||
| Deferred tax liability | $ 364 | $ 241 |
| Total deferred tax liabilities | 827 | 697 |
| Deferred tax assets | 1,343 | 1,376 |
| Total deferred tax assets | 1,806 | 1,832 |
| Net deferred tax assets | 979 | 1,135 |
| Recovered after more than 12 Months [member] | ||
| Statement [Line Items] | ||
| Deferred tax liability | 812 | 690 |
| Deferred tax assets | 1,723 | 1,744 |
| Recovered within 12 Months [member] | ||
| Statement [Line Items] | ||
| Deferred tax liability | 15 | 7 |
| Deferred tax assets | $ 83 | $ 88 |
| X | ||||||||||
- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of deferred tax assets net of deferred tax liabilities, when the absolute amount of deferred tax assets is greater than the absolute amount of deferred tax liabilities. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Deferred tax assets, gross. No definition available.
|
| X | ||||||||||
- Definition Deferred tax liability, gross. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|