Revenue - Capitalized Contract Cost (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Capitalized Contract Cost, Net [Roll Forward] | |||
| Beginning balance | $ 138 | $ 136 | $ 135 |
| Customer contract costs deferred | 75 | 69 | 70 |
| Amortization of customer contract costs | (67) | (64) | (69) |
| Other | 0 | (3) | 0 |
| Acquisition | 17 | 0 | 0 |
| Ending balance | $ 163 | $ 138 | $ 136 |
| X | ||||||||||
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Capitalized Contract Cost, Costs Deferred No definition available.
|
| X | ||||||||||
- Definition Capitalized Contract Cost, Net Increase From Acquisition No definition available.
|
| X | ||||||||||
- Definition Capitalized Contract Cost, Net No definition available.
|
| X | ||||||||||
- Definition Capitalized Contract Cost, Other No definition available.
|