Revenue (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Capitalized Contract Cost [Line Items] | |||
| Revenue from Contract with Customer, Duration [Extensible Enumeration] | Long-Term Contract with Customer [Member] | ||
| Deferred contract costs and sales commissions | $ 82 | $ 83 | |
| Capitalized sales commissions to selling, general and administrative expenses | |||
| Capitalized Contract Cost [Line Items] | |||
| Capitalized contract cost, amortization | 15 | 14 | $ 13 |
| Other deferred contract costs as a reduction of revenue | |||
| Capitalized Contract Cost [Line Items] | |||
| Capitalized contract cost, amortization | $ 4 | $ 5 | $ 6 |