Financial Risk Management - Schedule of Effect of a 10% Variation in the Prices of Investments in Financial Instruments (Detail) - Price Risk [member] $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
| |
| Positive variation impact on profit or loss before income tax [member] | |
| Disclosure of nature and extent of risks arising from financial instruments [line items] | |
| Increase (+) / decrease (-) in the prices of investments in financial instruments | 10.00% |
| Profit or loss before income tax for fiscal year ended December 31, 2025 | $ 67 |
| Negative variation impact on profit or loss before income tax [member] | |
| Disclosure of nature and extent of risks arising from financial instruments [line items] | |
| Increase (+) / decrease (-) in the prices of investments in financial instruments | (10.00%) |
| Profit or loss before income tax for fiscal year ended December 31, 2025 | $ (67) |