Regulatory Matters - Schedule of Pending Rate Cases (Details) - USD ($) $ in Millions |
Jul. 02, 2026 |
Jun. 01, 2026 |
Apr. 16, 2026 |
|---|---|---|---|
| Pepco MD 2025 Electric Distribution Base Rate Case | Potomac Electric Power Company | |||
| Regulatory Matters Pending Rate Cases [Line Items] | |||
| Public Utilities, Requested Rate Increase (Decrease), Amount | $ 120 | ||
| Requested Return on Equity, Percentage | 10.50% | ||
| Delaware 2025 Electric Distribution Base Rate Case | Delmarva Power and Light Company | |||
| Regulatory Matters Pending Rate Cases [Line Items] | |||
| Public Utilities, Requested Rate Increase (Decrease), Amount | $ 45 | ||
| Requested Return on Equity, Percentage | 10.50% | ||
| BGE 2026 Electric Distribution Base Rate Case | Baltimore Gas and Electric Company | |||
| Regulatory Matters Pending Rate Cases [Line Items] | |||
| Public Utilities, Requested Rate Increase (Decrease), Amount | $ 156 | ||
| Requested Return on Equity, Percentage | 10.40% |