Investments in Associates - Summarized Financial Information to Carrying Amount of Company's Interests in Material Associates (Detail) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of associates [line items] | ||
| Beginning balance | $ 5,002 | |
| Ending balance | 5,061 | |
| Castel [member] | ||
| Disclosure of associates [line items] | ||
| Beginning balance | 3,563 | $ 3,125 |
| Effect of movements in foreign exchange | (110) | 347 |
| Dividends received | (15) | (72) |
| Share of results of associates | 77 | 59 |
| Ending balance | 3,516 | 3,459 |
| Anadolu Efes [member] | ||
| Disclosure of associates [line items] | ||
| Beginning balance | 60 | 214 |
| Effect of movements in foreign exchange | (16) | (99) |
| Dividends received | (10) | (5) |
| Share of results of associates | (3) | (1) |
| Exceptional share of results of associates | 9 | |
| Ending balance | $ 31 | $ 118 |