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CAPITALIZATION - Preferred and Preference Stock (Details)	Dec. 31, 2024 $ / shares shares
CEI
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	4,000,000
JCP&L
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	15,600,000
PE
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	10,000,000
Preferred Stock, Par Value (in dollars per share) | $ / shares	$ 0.01
Preferred Stock With Par Value $100 | FE
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	5,000,000
Preferred Stock, Par Value (in dollars per share) | $ / shares	$ 100
Preferred Stock With Par Value $100 | OE
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	6,000,000
Preferred Stock, Par Value (in dollars per share) | $ / shares	$ 100
Preferred Stock With Par Value $100 | TE
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	3,000,000
Preferred Stock, Par Value (in dollars per share) | $ / shares	$ 100
Preferred Stock With Par Value $100 | MP
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	940,000
Preferred Stock, Par Value (in dollars per share) | $ / shares	$ 100
Preferred Stock With Par Value $25 | OE
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	8,000,000
Preferred Stock, Par Value (in dollars per share) | $ / shares	$ 25
Preferred Stock With Par Value $25 | TE
Preferred stock and preference stock authorizations
Preferred Stock, Shares Authorized (in shares)	12,000,000
Preferred Stock, Par Value (in dollars per share) | $ / shares	$ 25
Preference Stock | OE
Preferred stock and preference stock authorizations
Preference Stock, Shares Authorized (in shares)	8,000,000
Preference Stock | CEI
Preferred stock and preference stock authorizations
Preference Stock, Shares Authorized (in shares)	3,000,000
Preference Stock | TE
Preferred stock and preference stock authorizations
Preference Stock, Shares Authorized (in shares)	5,000,000
Preference Stock, Par Value (in dollars per share) | $ / shares	$ 25

X

- Definition

Preference stock par or stated value per share.

+ References

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- Definition

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X

- Definition

Preferred stock and preference stock number of shares authorized and par value disclosures.

+ References

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X

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-13

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X

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(16)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

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