Trade and Other Receivables - Schedule of Aging of Trade Receivables (Detail) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Aging of Trade Receivables [Line Items] | ||
| Gross trade receivables | $ 1,165 | $ 1,113 |
| Current-30 days [member] | ||
| Aging of Trade Receivables [Line Items] | ||
| Gross trade receivables | 1,024 | 976 |
| Past due 31-60 days [Member] | ||
| Aging of Trade Receivables [Line Items] | ||
| Gross trade receivables | 36 | 32 |
| Past due 61-90 days [Member] | ||
| Aging of Trade Receivables [Line Items] | ||
| Gross trade receivables | 31 | 34 |
| Past due 91-180 days [Member] | ||
| Aging of Trade Receivables [Line Items] | ||
| Gross trade receivables | 32 | 33 |
| Past due >180 days [Member] | ||
| Aging of Trade Receivables [Line Items] | ||
| Gross trade receivables | $ 42 | $ 38 |