Financial Instruments - Net Debt (Detail) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Borrowings [abstract] | ||
| Long-term indebtedness | $ 3,786 | $ 3,772 |
| Total debt | 3,786 | 3,772 |
| Swaps | (99) | (100) |
| Total debt after swaps | 3,687 | 3,672 |
| Remove fair value adjustments for hedges | (10) | 1 |
| Total debt after currency hedging arrangements | 3,677 | 3,673 |
| Remove transaction costs, premiums or discounts included in the carrying value of debt | 33 | 38 |
| Add: Lease liabilities (current and non-current) | 261 | 306 |
| Less: cash and cash equivalents | (778) | (1,787) |
| Net debt | $ 3,193 | $ 2,230 |