Segment and Geographical Information - Long-lived Assets (Details) - Geographic Concentration Risk - Net Assets, Geographic Area - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 49 | $ 131 |
| Long-lived assets (as a percent) | 100.00% | 100.00% |
| Canada | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 42 | $ 55 |
| Long-lived assets (as a percent) | 86.00% | 42.00% |
| United States | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 5 | $ 57 |
| Long-lived assets (as a percent) | 10.00% | 44.00% |
| Rest of World | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 2 | $ 19 |
| Long-lived assets (as a percent) | 4.00% | 14.00% |