Organization and Basis of Presentation (Other Noncurrent Assets) (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Regulatory Asset [Line Items] | ||
| Other | $ 3,792 | $ 3,509 |
| Offshore Wind Arrangement | ||
| Regulatory Asset [Line Items] | ||
| Other | $ 150 | $ 150 |