Deferred Contract Costs - Schedule of Deferred Contract Cost (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Capitalized Contract Cost | ||
| Total Deferred contract costs, net | $ 1,282 | $ 1,321 |
| Contract origination costs | ||
| Capitalized Contract Cost | ||
| Total Deferred contract costs, net | 761 | 797 |
| Contract fulfillment costs on implementations in progress | ||
| Capitalized Contract Cost | ||
| Total Deferred contract costs, net | 166 | 225 |
| Contract fulfillment costs on completed implementations | ||
| Capitalized Contract Cost | ||
| Total Deferred contract costs, net | $ 355 | $ 299 |