Basis points for Transmission Formula Rate

No definition available.

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- Definition

Expected adjustment to revenue to be recorded in the prior year.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's approved return on equity.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

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Regulatory Matters - Annual Electric Transmission Fillings (Details) $ in Millions	May 30, 2025 USD ($)	May 12, 2025 USD ($)	May 09, 2025 USD ($)	Apr. 24, 2025 USD ($) basisPoint
Commonwealth Edison Co \| 2025 Transmission Formula Rate Annual Update
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount			$ 78
Annual Reconciliation Increase (Decrease)			49
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount			$ 127
Public Utilities, Approved Equity Capital Structure, Percentage			8.13%
Public Utilities, Approved Return on Equity, Percentage			11.50%
PECO Energy Co \| 2025 Transmission Formula Rate Annual Update
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount	$ 9
Annual Reconciliation Increase (Decrease)	13
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount	$ 22
Public Utilities, Approved Equity Capital Structure, Percentage	7.54%
Public Utilities, Approved Return on Equity, Percentage	10.35%
Baltimore Gas and Electric Company \| 2025 Transmission Formula Rate Annual Update
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount				$ 21
Annual Reconciliation Increase (Decrease)				21
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount				$ 35
Public Utilities, Approved Equity Capital Structure, Percentage				7.53%
Public Utilities, Approved Return on Equity, Percentage				10.50%
Basis points for Transmission Formula Rate \| basisPoint				0.0050
Baltimore Gas and Electric Company \| 2025 Transmission Formula Rate Revenue Reduction
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount				$ (7)
Potomac Electric Power Company \| 2025 Transmission Formula Rate Annual Update
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount		$ 35
Annual Reconciliation Increase (Decrease)		16
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount		$ 51
Public Utilities, Approved Equity Capital Structure, Percentage		7.71%
Public Utilities, Approved Return on Equity, Percentage		10.50%
Delmarva Power and Light Company \| 2025 Transmission Formula Rate Annual Update
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount		$ 32
Annual Reconciliation Increase (Decrease)		(9)
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount		$ 23
Public Utilities, Approved Equity Capital Structure, Percentage		7.48%
Public Utilities, Approved Return on Equity, Percentage		10.50%
Atlantic City Electric Company \| 2025 Transmission Formula Rate Annual Update
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount		$ (11)
Annual Reconciliation Increase (Decrease)		(46)
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount		$ (57)
Public Utilities, Approved Equity Capital Structure, Percentage		7.16%
Public Utilities, Approved Return on Equity, Percentage		10.50%