Segment and Geographic Area Information - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets | ||
| Total long-lived assets | $ 5,110 | $ 5,248 |
| United States and Puerto Rico | ||
| Revenues from External Customers and Long-Lived Assets | ||
| Total long-lived assets | 3,369 | 3,354 |
| Europe | ||
| Revenues from External Customers and Long-Lived Assets | ||
| Total long-lived assets | 1,400 | 1,534 |
| All other | ||
| Revenues from External Customers and Long-Lived Assets | ||
| Total long-lived assets | $ 341 | $ 360 |