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- Definition

Asset Acquisition, Ownership Interest Acquired

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- Definition

Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets

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- Definition

Expenditures for cost recovery program.

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- Definition

Incremental Energy Savings Goal, Percent

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- Definition

Incremental Energy Savings Goal, Thereafter, Percent

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- Definition

Plant Capacity

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- Definition

Public Utilities, Approved Annual Rate Increase (Decrease), Amount

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- Definition

Public Utilities, Distribution Reporting, COVID Relief Funds

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- Definition

Public Utilities, Electric Vehicle Program Period

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- Definition

Public Utilities, Enhanced Service Reliability Program, Period to File New Depreciation Study

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- Definition

Public Utilities, Enhanced Service Reliability Program, Rate Case Renewal Period

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- Definition

Public Utilities, Enhanced Service Reliability Program Term

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- Definition

Public Utilities, Expected Cost of the Program

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- Definition

Public Utilities, Meter Deployment Period

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- Definition

Public Utilities, Meter Deployment Program Period

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- Definition

Public Utilities, Number of Meters to be Deployed

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- Definition

Public Utilities, Number of Programs

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- Definition

Public Utilities, Number of Approved Enhanced Service Reliability Programs

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- Definition

Public Utilities, Requested Rate Increase (Decrease), Apportioned for Operations and Maintenance Expense, Amount

+ References

No definition available.

+ Details

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- Definition

Public Utilities, Requested Return on Equity, Amount

+ References

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- Definition

Public Utilities, Settled Decrease In Regulatory Liability

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- Definition

Public Utilities, Settled Revenue Increase, Amount

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- Definition

Recovery period for expenditures for cost recovery program.

+ References

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- Definition

Recovery Program, Amortization Period

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- Definition

Regulatory matters.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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- Definition

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

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

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- Definition

Percentage of public utility's requested return on equity.

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Regulatory Matters - Maryland and New Jersey (Details) meter in Millions, $ in Millions													3 Months Ended		12 Months Ended
	Nov. 01, 2021	Apr. 09, 2021 USD ($)	Mar. 05, 2021 USD ($)	Mar. 01, 2021 USD ($) program	Jan. 29, 2021 USD ($)	Jan. 01, 2021 USD ($)	Dec. 18, 2020 USD ($)	Sep. 25, 2020 USD ($) program	Aug. 27, 2020 USD ($) meter	Jun. 10, 2020	Apr. 06, 2020 USD ($) MW	Mar. 22, 2019 USD ($) program	Mar. 31, 2021 USD ($) MW	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Regulatory Matters [Line Items]
Gain on sale of Yards Creek (Note 8)													$ 109.0	$ 0.0
Regulated Distribution
Regulatory Matters [Line Items]
Plant capacity (in MW's) \| MW													3,580
PE \| Maryland
Regulatory Matters [Line Items]
Incremental energy savings goal per year (percent)													0.20%
Incremental energy savings goal thereafter (percent)													2.00%
Recovery period for expenditures for cost recovery program							3 years						3 years
Expenditures for cost recovery program													$ 116.0
Amortization period													5 years
Amount of requested rate increase (decrease)							$ 148.0
PE \| MPSC \| Maryland
Regulatory Matters [Line Items]
Amount of approved annual rate increase												$ 6.2
Number of enhanced service reliability programs \| program												3
Enhanced service reliability program term												4 years
Period to file new depreciation study												18 months
Enhanced service reliability program renewal period												4 years
PE \| MPSC \| Maryland \| Subsequent Event
Regulatory Matters [Line Items]
Distribution reporting of COVID relief funds		$ 30.0
PE \| MPSC \| Depreciation Expense Study \| Maryland
Regulatory Matters [Line Items]
Amount of requested rate increase (decrease)					$ (9.6)
PE \| Maryland Office of People's Counsel \| Depreciation Expense Study \| Maryland
Regulatory Matters [Line Items]
Amount of requested rate increase (decrease)					$ (10.8)
JCP&L \| New Jersey \| Yard's Creek Energy
Regulatory Matters [Line Items]
Plant capacity (in MW's) \| MW											210
Purchase price											$ 155.0
JCP&L \| New Jersey \| Regulated Distribution \| Yard's Creek Energy
Regulatory Matters [Line Items]
Book value															$ 45.0
Gain on sale of Yards Creek (Note 8)			$ 109.0
JCP&L \| Advanced Metering Infrastructure \| New Jersey \| Regulated Distribution
Regulatory Matters [Line Items]
Amount of requested rate increase (decrease)									$ 732.0
JCP&L \| NJBPU \| New Jersey
Regulatory Matters [Line Items]
Amount of revenue increase															95.0
Decrease in regulatory liability						$ 86.0
JCP&L \| NJBPU \| New Jersey \| Forecast
Regulatory Matters [Line Items]
Requested increase to ROE	9.60%
JCP&L \| NJBPU \| New Jersey \| Yard's Creek Energy
Regulatory Matters [Line Items]
Ownership interest acquired											50.00%
JCP&L \| NJBPU \| JCP&L Reliability Plus \| New Jersey
Regulatory Matters [Line Items]
Approved amount of annual increase															$ 95.0
JCP&L \| NJBPU \| Advanced Metering Infrastructure \| New Jersey \| Regulated Distribution
Regulatory Matters [Line Items]
Meter deployment period									3 years
Number of meters to be deployed \| meter									1.2
Expected cost of the program									$ 418.0
Time period of the program									20 years
JCP&L \| NJBPU \| Energy Efficiency and Peak Demand Reduction \| New Jersey \| Regulated Distribution
Regulatory Matters [Line Items]
Amortization period										10 years
Amount of requested rate increase (decrease)								$ 230.0
Number of programs \| program								11
JCP&L \| NJBPU \| Electrical Vehicle Program \| New Jersey \| Regulated Distribution
Regulatory Matters [Line Items]
Amount of requested rate increase (decrease)				$ 50.0
Number of programs \| program				6
Electric vehicle program period				4 years
Amount of requested return on capital				$ 16.0
Requested amount for operations and maintenance expense				$ 34.0