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- 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

No definition available.

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- Definition

Beneficial electrification approved annual spending

+ References

No definition available.

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- Definition

Contract Termination Liability

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No definition available.

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- Definition

Maximum increase of revenue requirement

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No definition available.

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- Definition

Regulatory Matters Additional Narrative Information [Line Items]

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No definition available.

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- Definition

Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
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-Name Accounting Standards Codification
-Section 45
-Paragraph 28
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The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Paragraph 28
-Subparagraph (a)
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-Topic 230
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- Definition

The increase (decrease) during the reporting period in regulated liabilities. Regulated liabilities are created when regulatory agency permits an entity to defer revenues to the balance sheet.

+ References

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- Definition

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

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No definition available.

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- Definition

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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- Definition

The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 405
-Name Accounting Standards Codification
-Section 25
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Regulatory Matters - Narrative (Details) $ in Millions				9 Months Ended		36 Months Ended	48 Months Ended
Regulatory Matters - Narrative (Details) $ in Millions	Dec. 14, 2023 USD ($)	Sep. 27, 2022	Feb. 03, 2022	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2027 USD ($)	Mar. 31, 2022 USD ($)
Commonwealth Edison Co
Regulatory Matters Additional Narrative Information [Line Items]
Basis points for ComEd's Revenue Requirement			580
Maximum increase of revenue requirement				105.00%
Basis Points - ComEd Symmetrical Performance Adjustments		32
Increase (Decrease) in Regulatory Assets				$ 414
Increase (Decrease) in Regulatory Liabilities				1,155
Commonwealth Edison Co \| Illinois 2023 Electric Distribution Base Rate Case
Regulatory Matters Additional Narrative Information [Line Items]
Approved Revenue Requirement Increase (Decrease)	$ 501
Commonwealth Edison Co \| Forecast [Member]
Regulatory Matters Additional Narrative Information [Line Items]
Beneficial electrification approved annual spending						$ 77
Commonwealth Edison Co \| Forecast [Member] \| 2023 \| Illinois 2023 Electric Distribution Base Rate Case
Regulatory Matters Additional Narrative Information [Line Items]
Approved Revenue Requirement Increase (Decrease)							$ (986)
Commonwealth Edison Co \| Nuclear Decommissioning [Member]
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				1,029
Commonwealth Edison Co \| ComEd FERC Audit Settlement Regulatory Liability
Regulatory Matters Additional Narrative Information [Line Items]
Regulatory Liabilities				70
Commonwealth Edison Co \| Carbon Mitigation Credit rider
Regulatory Matters Additional Narrative Information [Line Items]
Regulatory Assets				183
Increase (Decrease) in Regulatory Assets				490
PECO Energy Co
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Assets				69
Increase (Decrease) in Regulatory Liabilities				53
PECO Energy Co \| Nuclear Decommissioning [Member]
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				60
PECO Energy Co \| Deferred Income Tax Charge [Member]
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Assets				96
Baltimore Gas and Electric Company
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				(102)
Baltimore Gas and Electric Company \| Deferred Income Tax Charge [Member]
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				(101)
Potomac Electric Power Company
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Assets				29
Increase (Decrease) in Regulatory Liabilities				(46)
Potomac Electric Power Company \| Deferred Income Tax Charge [Member]
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				(46)
Potomac Electric Power Company \| Multi-year plan reconciliation
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Assets				27
Potomac Electric Power Company \| Revenue deferral mechanism
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Assets				9
Atlantic City Electric Company
Regulatory Matters Additional Narrative Information [Line Items]
Contract Termination Liability				10				$ 203
Gain (Loss) on Contract Termination				40	$ 65
Increase (Decrease) in Regulatory Assets				(10)
Increase (Decrease) in Regulatory Liabilities				10
Atlantic City Electric Company \| Under/Over Recovered Transmission Costs
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				12
Atlantic City Electric Company \| Under Recovered Energy and Natural Gas Costs
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Assets				(37)
Delmarva Power and Light Company
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				(37)
Delmarva Power and Light Company \| Deferred Income Tax Charge [Member]
Regulatory Matters Additional Narrative Information [Line Items]
Increase (Decrease) in Regulatory Liabilities				$ (20)