Revenue (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Revenue from Contract with Customer [Abstract] | ||||
| Threshold percentage of total revenue | 1.00% | |||
| Revenue recognized that was included in the contract liability balance at the beginning of the period | $ 266 | $ 218 | $ 581 | $ 511 |
| Performance obligation satisfied in previous period | $ 29 | $ 27 | $ 43 | $ 44 |