Goodwill - Summary of Goodwill (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Disclosure of reconciliation of changes in goodwill [Line Items] | ||
| Balance at beginning of year | $ 5,976 | |
| Balance at end of year | 5,940 | $ 5,976 |
| Gross carrying amount [member] | ||
| Disclosure of reconciliation of changes in goodwill [Line Items] | ||
| Balance at beginning of year | 5,976 | 5,853 |
| Acquisitions | 0 | 133 |
| Disposals of businesses | (16) | 0 |
| Translation and other, net | (20) | (10) |
| Balance at end of year | $ 5,940 | $ 5,976 |