Revenue Recognition - Contract Cost Assets (Details) - USD ($) $ in Millions |
Jun. 30, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Contract Cost Assets | ||
| Contract cost assets | $ 147 | $ 152 |
| Sales commissions | ||
| Contract Cost Assets | ||
| Contract cost assets | 141 | 144 |
| Installation costs | ||
| Contract Cost Assets | ||
| Contract cost assets | $ 6 | $ 8 |