Operating Expenses - Components of Operating Expenses (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Operating Expenses 1 [abstract] | ||
| Salaries, commissions and allowances | $ 2,478 | $ 2,269 |
| Share-based payments | 76 | 64 |
| Post-employment benefits | 144 | 135 |
| Total staff costs | 2,698 | 2,468 |
| Goods and services | 1,306 | 1,158 |
| Content | 276 | 274 |
| Telecommunications | 50 | 54 |
| Facilities | 48 | 55 |
| Fair value adjustments | (8) | (10) |
| Total operating expenses | $ 4,370 | $ 3,999 |