Contract Assets and Liabilities (Narrative) (Details) - USD ($) $ in Billions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Revenue from Contract with Customer [Abstract] | ||||
| Increase in contract assets | $ 1.9 | |||
| Decrease in the allowance for expected credit losses | 0.3 | |||
| Increase in contract liabilities | 1.1 | |||
| Revenue recognized related to contract liabilities outstanding at the beginning of the year | $ 2.4 | $ 2.0 | $ 6.0 | $ 5.0 |