Lease liabilities - Additional information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Lease liabilities [abstract] | |||
| Financial expenses resulting from lease contracts | $ 65 | $ 71 | $ 77 |
| Financial expenses on leases included in Financial Accreation | 57 | 61 | 64 |
| Financial expenses on leases capitalized in Property, plant and equipment | 8 | 10 | 13 |
| Total charges recorded in comprehensive income and capitalizations | $ 112 | $ 187 | $ 242 |