Supplemental Cash Flow Information - Details of Changes in Working Capital and Other Items (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Disclosure Of Changes In Working Capital And Other Items [abstract] | ||
| Trade and other receivables | $ 76 | $ 29 |
| Prepaid expenses and other current assets | (66) | 8 |
| Other financial assets | (10) | 2 |
| Payables, accruals and provisions | 83 | (133) |
| Deferred revenue | 36 | 19 |
| Other financial liabilities | 10 | (2) |
| Income taxes | 773 | 250 |
| Other | (70) | (71) |
| Total | $ 832 | $ 102 |