Revenue - Schedule of Changes in Technology Services Deferred Revenue Liability (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Revenue From Contract With Customer [Abstract] | ||
| Beginning balance | $ 123 | $ 116 |
| Additions | 94 | 89 |
| Revenue recognized that was included in the beginning balance | (95) | (82) |
| Ending balance | $ 122 | $ 123 |