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Preferred Securities (Details) - $ / shares | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Preferred Stock [Member] |  |  |
Preferred Securities [Line Items] |  |  |
Shares authorized | 10,000,000 |  |
Preferred Stock, Shares Issued | 0 | 0 | 0
Preferred Stock, Shares Outstanding | 0 | 0 | 0
Preferred Stock [Member] | Rhode Island Energy |  |  |
Preferred Securities [Line Items] |  |  |
Preferred Stock, Shares Outstanding | 3,000,000 |  |
PPL Electric Utilities Corp [Member] | Preferred Stock [Member] |  |  |
Preferred Securities [Line Items] |  |  |
Shares authorized | 20,629,936 |  |
Preferred Stock, Shares Issued | 0 | 0 | 0
Preferred Stock, Shares Outstanding | 0 | 0 | 0
Louisville Gas And Electric Co [Member] | Preferred Stock [Member] |  |  |
Preferred Securities [Line Items] |  |  |
Shares authorized | 1,720,000 |  |
Preferred Stock, Shares Issued | 0 | 0 | 0
Preferred Stock, Shares Outstanding | 0 | 0 | 0
Par value of stock | $ 25 |  |
Louisville Gas And Electric Co [Member] | Preferred Stock Without Par Value [Member] |  |  |
Preferred Securities [Line Items] |  |  |
Shares authorized | 6,750,000 |  |
Preferred Stock, Shares Issued | 0 | 0 | 0
Preferred Stock, Shares Outstanding | 0 | 0 | 0
Kentucky Utilities Co [Member] | Preferred Stock Without Par Value [Member] |  |  |
Preferred Securities [Line Items] |  |  |
Shares authorized | 5,300,000 |  |
Preferred Stock, Shares Issued | 0 | 0 | 0
Preferred Stock, Shares Outstanding | 0 | 0 | 0
Kentucky Utilities Co [Member] | Preference Stock Without Par Value [Member] |  |  |
Preferred Securities [Line Items] |  |  |
Shares authorized | 2,000,000 |  |
Preferred Stock, Shares Issued | 0 | 0 | 0
Preferred Stock, Shares Outstanding | 0 | 0 | 0

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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 + Details
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