Trade and Other Receivables - Schedule of Change in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of financial assets [line items] | ||
| Balance at beginning of year | $ 23 | |
| Balance at end of year | 23 | $ 23 |
| Allowance for credit losses [member] | ||
| Disclosure of financial assets [line items] | ||
| Balance at beginning of year | 23 | 21 |
| Bad debt expense | 34 | 45 |
| Write-offs | (39) | (48) |
| Acquisitions | 0 | 3 |
| Disposals of businesses | 0 | (1) |
| Translation and other, net | 5 | 3 |
| Balance at end of year | $ 23 | $ 23 |