Amount of public utility's requested rate increase (decrease) with regulatory agency, prior year annual reconciliation.

No definition available.

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- Definition

[Line Items] for Regulatory Matters Completed Rate Cases [Table]

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- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

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- Definition

Percentage of public utility's approved return on equity.

+ References

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- Definition

Amount of public utility's amended requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

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- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

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Regulatory Matters - Schedule of Completed Rate Cases (Details) - USD ($) $ in Millions	Dec. 17, 2025	Nov. 21, 2025	Sep. 05, 2025	Dec. 19, 2024	Dec. 12, 2024	Nov. 26, 2024	Nov. 21, 2024	Oct. 31, 2024	Sep. 11, 2024	Jun. 10, 2024	Apr. 18, 2024	Mar. 28, 2024	Feb. 27, 2024	Feb. 23, 2024	Dec. 14, 2023	Sep. 29, 2023	Feb. 17, 2023	Jan. 17, 2023	Dec. 14, 2022	May 19, 2022
Illinois 2023 Electric Distribution Base Rate Case \| Commonwealth Edison Co
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount																		$ 1,487
Approved Revenue Requirement Increase (Decrease)				$ 1,045
Public Utilities, Approved Return on Equity, Percentage				8.905%
Illinois 2024 Electric Distribution Reconciliation Rate Case \| Commonwealth Edison Co
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities Requested Rate Increase (Decrease), Prior Year Annual Reconciliation									$ 624
Approved Revenue Requirement Increase (Decrease)								$ 623
Public Utilities, Approved Return on Equity, Percentage								9.89%
Pennsylvania 2024 Electric Distribution Base Rate Case \| PECO Energy Co
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount												$ 464
Approved Revenue Requirement Increase (Decrease)					$ 354
Pennsylvania 2024 Gas Distribution Base Rate Case \| PECO Energy Co
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount												$ 111
Approved Revenue Requirement Increase (Decrease)					$ 78
Maryland 2023 Electric Distribution Base Rate Case \| Baltimore Gas and Electric Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount																	$ 313
Approved Revenue Requirement Increase (Decrease)															$ 179
Public Utilities, Approved Return on Equity, Percentage															9.50%
Maryland 2023 Gas Distribution Base Rate Case \| Baltimore Gas and Electric Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount																	$ 289
Approved Revenue Requirement Increase (Decrease)															$ 229
Public Utilities, Approved Return on Equity, Percentage															9.45%
District of Columbia 2023 Electric Distribution Base Rate Case \| Potomac Electric Power Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount													$ 186
Approved Revenue Requirement Increase (Decrease)						$ 123
Public Utilities, Approved Return on Equity, Percentage						9.50%
Pepco Maryland 2023 Electric Distribution Base Rate Case \| Potomac Electric Power Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount														$ 111
Approved Revenue Requirement Increase (Decrease)										$ 45
Public Utilities, Approved Return on Equity, Percentage										9.50%
Maryland 2022 Electric Distribution Base Rate Case \| Delmarva Power and Light Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount																				$ 38
Approved Revenue Requirement Increase (Decrease)																			$ 29
Public Utilities, Approved Return on Equity, Percentage																			9.60%
Delaware 2022 Electric Distribution Base Rate Case \| Delmarva Power and Light Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount																$ 39
Approved Revenue Requirement Increase (Decrease)											$ 28
Public Utilities, Approved Return on Equity, Percentage											9.60%
DPL 2024 Natural Gas Distribution Base Rate Case \| Delmarva Power and Light Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount			$ 37
Approved Revenue Requirement Increase (Decrease)	$ 22
Public Utilities, Approved Return on Equity, Percentage	9.60%
New Jersey 2024 Electric Distribution Base Rate Case \| Atlantic City Electric Company
Regulatory Matters Completed Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount							$ 109
Approved Revenue Requirement Increase (Decrease)		$ 54
Public Utilities, Approved Return on Equity, Percentage		9.60%