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Commitments and Contingencies (Guarantees and Other Assurances) (Details) - 12 months ended Dec. 31, 2024 £ in Millions, $ in Millions | USD ($) | GBP (£)
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Guarantor Obligations [Line Items] |  |
Maximum Aggregate Liability for Safari Indemnification | $ 140 |
Other Guarantee (Numeric) [Abstract] |  |
Maximum aggregate coverage bodily injury and property damage | 231 |
Indemnification Cap, Surrenders of Tax Losses | £ |  | £ 50
Indemnification for Safari sale/leaseback | 25 |
PPL Guarantee [Member] | Indemnification Guarantee [Member] | Indemnifications related to certain tax liabilities related to the sale of the U.K. utility business |  |
Guarantor Obligations [Line Items] |  |
Maximum exposure | 50 |
PPL Guarantee [Member] | Indemnification Guarantee [Member] | Guarantee of payment obligations under certain sale/leaseback financing transactions related to the sale of Safari Holdings |  |
Guarantor Obligations [Line Items] |  |
Maximum exposure | 100 |
PPL Guarantee [Member] | Indemnification Guarantee [Member] | Indemnifications for losses suffered related to items not covered by Aspen Power's representation and warranty insurance associated with the sale of Safari Holdings |  |
Guarantor Obligations [Line Items] |  |
Maximum exposure | 140 |
LGE And KU Guarantee [Member] | Financial Guarantee [Member] | LGE And KU Guarantee Of Shortfall Related To OVEC [Member] |  |
Guarantor Obligations [Line Items] |  |
Contingent potential proportionate share of OVEC's outstanding debt | 81 |
Louisville Gas And Electric Co [Member] | LGE And KU Guarantee [Member] | Financial Guarantee [Member] | LGE And KU Guarantee Of Shortfall Related To OVEC [Member] |  |
Guarantor Obligations [Line Items] |  |
Contingent potential proportionate share of OVEC's outstanding debt | 56 |
Kentucky Utilities Co [Member] | LGE And KU Guarantee [Member] | Financial Guarantee [Member] | LGE And KU Guarantee Of Shortfall Related To OVEC [Member] |  |
Guarantor Obligations [Line Items] |  |
Contingent potential proportionate share of OVEC's outstanding debt | 25 |
LGE [Member] | LGE And KU Guarantee [Member] | Financial Guarantee [Member] | LGE And KU Guarantee Of Shortfall Related To OVEC [Member] |  |
Guarantor Obligations [Line Items] |  |
Contingent potential proportionate share of OVEC's outstanding debt | 56 |
KU [Member] | LGE And KU Guarantee [Member] | Financial Guarantee [Member] | LGE And KU Guarantee Of Shortfall Related To OVEC [Member] |  |
Guarantor Obligations [Line Items] |  |
Contingent potential proportionate share of OVEC's outstanding debt | $ 25 |

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- Definition Indemnification for Safari sale/leaseback + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
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