Segment Information - Total Revenue by Geographic Region (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
|
| Segment Reporting Information [Line Items] | ||
| Revenue | $ 4,699 | $ 4,398 |
| Americas [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Revenue | 3,089 | 2,810 |
| Europe [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Revenue | 1,396 | 1,387 |
| Asia-Pacific [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Revenue | $ 214 | $ 201 |