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Regulatory Matters - Reliability and FERC Matters (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
FERC
Regulatory Matters [Line Items]
Denied recovery charges of exit fees	$ 78.8
JCP&L
Regulatory Matters [Line Items]
Approved ROE	9.60%
Approved capital structure	45.00%

X

- Definition

Denied Recovery Charges of Exit Fees

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- Definition

Regulatory matters.

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- Definition

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

+ References

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+ Details

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- Definition

Percentage of public utility's approved return on equity.

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- Details

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X

- Details

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