Investments in Associates and Joint Ventures - Summary of Movements Which Affected the Value of the Investments in associates and joint ventures (Detail) - USD ($) $ in Millions |
12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Investments In Associates And Joint Ventures [abstract] | ||||||||||||
| Balance at the beginning of the year | $ 1,960 | $ 1,676 | $ 1,905 | |||||||||
| Acquisitions and contributions | 96 | 0 | 5 | |||||||||
| Capitalization in associates and joint ventures | 12 | 0 | 0 | |||||||||
| Income on investments in associates and joint ventures | 122 | 396 | 94 | |||||||||
| Distributed dividends | (249) | [1] | (174) | (275) | ||||||||
| Translation differences | (17) | (13) | (99) | |||||||||
| Adjustment for inflation | [2] | 18 | 75 | 46 | ||||||||
| Decrease from sale of companies | [3] | (261) | 0 | 0 | ||||||||
| Other movements | [4] | (71) | 0 | 0 | ||||||||
| Balance at the end of the year | $ 1,610 | $ 1,960 | $ 1,676 | |||||||||
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