Contract Assets and Liabilities (Narrative) (Details) - USD ($) $ in Billions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Revenue from Contract with Customer [Abstract] | ||||
| Increase in contract assets | $ 1.6 | |||
| Increase in the allowance for expected credit losses | 0.3 | |||
| Decrease in contract liabilities | 0.1 | |||
| Revenue recognized related to contract liabilities outstanding at the beginning of the year | $ 2.3 | $ 1.5 | $ 8.3 | $ 6.5 |