Regulatory Matters - Schedule of Pending Rate Cases (Details) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
May 30, 2025 |
Nov. 21, 2024 |
Jun. 30, 2025 |
|
| Commonwealth Edison Co | |||
| Regulatory Matters Pending Rate Cases [Line Items] | |||
| Maximum increase of revenue requirement | 105.00% | ||
| Delmarva Power and Light Company | DPL 2024 Natural Gas Distribution Base Rate Case | |||
| Regulatory Matters Pending Rate Cases [Line Items] | |||
| Requested Revenue Requirement Increase (Decrease) | $ 40 | ||
| Requested Return on Equity, Percentage | 10.65% | ||
| Atlantic City Electric Company | New Jersey 2024 Electric Distribution Base Rate Case | |||
| Regulatory Matters Pending Rate Cases [Line Items] | |||
| Requested Revenue Requirement Increase (Decrease) | $ 109 | ||
| Requested Return on Equity, Percentage | 10.70% |