- Definition

Maximum basis points that can be added to the average rate on 30-year treasury notes, to determine the allowed ROE for ComEd's revenue requirement.

+ References

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Public Utilities, Requested Rate Increase (Decrease), Tax Benefits

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- Definition

Line Items for Regulatory Matters Pending Rate Cases [Table]

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- Definition

Percentage of public utility's requested equity to capital, including debt and equity.

+ References

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- Definition

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

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No definition available.

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- Definition

Percentage of public utility's requested return on equity.

+ References

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Regulatory Matters - Schedule of Pending Rate Cases (Details) - USD ($) $ in Millions	May 19, 2022	Apr. 15, 2022	Mar. 31, 2022	Feb. 28, 2022
Commonwealth Edison Co [Member] \| Illinois 2022 Electric Distribution Base Rate Case
Regulatory Matters Pending Rate Cases [Line Items]
Requested Revenue Requirement Increase (Decrease)		$ 199
Commonwealth Edison Co [Member] \| Illinois 2022 Electric Distribution Base Rate Case \| 2023
Regulatory Matters Pending Rate Cases [Line Items]
Requested Return on Equity, Percentage		7.85%
Public Utilities, Requested Rate Increase (Decrease), Initial Revenue Requirement, Amount		$ 144
Requested Return on Distribution Rate Base, Percentage		5.94%
Basis points for ComEd's Revenue Requirement		580
Commonwealth Edison Co [Member] \| Illinois 2022 Electric Distribution Base Rate Case \| 2021
Regulatory Matters Pending Rate Cases [Line Items]
Requested Return on Equity, Percentage		7.78%
Public Utilities Requested Rate Increase (Decrease), Prior Year Annual Reconciliation		$ 55
Requested Return on Distribution Rate Base, Percentage		5.91%
Basis points for ComEd's Revenue Requirement		580
Commonwealth Edison Co [Member] \| Illinois 2022 Electric Distribution Base Rate Case \| Performance Metrics Penalty \| 2021
Regulatory Matters Pending Rate Cases [Line Items]
Basis points for ComEd's Revenue Requirement		7
PECO Energy Co [Member] \| Pennsylvania 2022 Natural Gas Distribution Base Rate Case
Regulatory Matters Pending Rate Cases [Line Items]
Requested Revenue Requirement Increase (Decrease)			$ 82
Requested Return on Equity, Percentage			10.95%
Delmarva Power and Light Company [Member] \| Delaware 2022 Natural Gas Distribution Base Rate Case
Regulatory Matters Pending Rate Cases [Line Items]
Requested Revenue Requirement Increase (Decrease)				$ 15
Requested Return on Equity, Percentage				10.30%
Delmarva Power and Light Company [Member] \| Maryland 2022 Electric Distribution Base Rate Case
Regulatory Matters Pending Rate Cases [Line Items]
Requested Revenue Requirement Increase (Decrease)	$ 38
Requested Return on Equity, Percentage	10.25%
Delmarva Power and Light Company [Member] \| Maryland 2022 Electric Distribution Base Rate Case \| 2023
Regulatory Matters Pending Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Initial Revenue Requirement, Amount	$ 23
Public Utilities, Requested Rate Increase (Decrease), Tax Benefits	12
Delmarva Power and Light Company [Member] \| Maryland 2022 Electric Distribution Base Rate Case \| 2024
Regulatory Matters Pending Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Initial Revenue Requirement, Amount	8
Public Utilities, Requested Rate Increase (Decrease), Tax Benefits	8
Delmarva Power and Light Company [Member] \| Maryland 2022 Electric Distribution Base Rate Case \| 2025
Regulatory Matters Pending Rate Cases [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Initial Revenue Requirement, Amount	$ 7