Deferred Revenue - Gross Changes in Deferred Revenue Associated with Non-Cash Consideration Received (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Change in Contract with Customer, Liability [Roll Forward] | ||||
| Balance, beginning of the period | $ 124 | $ 165 | $ 141 | $ 190 |
| Non-cash consideration received in exchange for services | 0 | 0 | 8 | 0 |
| Revenue recognized related to non-cash consideration | (13) | (12) | (38) | (37) |
| Balance, end of the period | 111 | 153 | 111 | 153 |
| Current portion | 47 | 49 | 47 | 49 |
| Long-term portion | 64 | 104 | 64 | 104 |
| Deferred revenue, non-cash consideration | $ 111 | $ 153 | $ 111 | $ 153 |