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v3.25.4

Goodwill and Other Intangible Assets (Other Intangibles - Indefinite-Lived) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Not subject to amortization due to indefinite life: [Line Items] |  |  |
Gross carrying amount | $ 18 | $ 18 |
Gross carrying amount - other intangible assets | 614 | 597 |
Intangible assets with no regulatory offset [Member] |  |  |
Not subject to amortization due to indefinite life: [Line Items] |  |  |
Amortization expense | 5 | 5 | $ 5
Land Rights and Easements [Member] |  |  |
Not subject to amortization due to indefinite life: [Line Items] |  |  |
Gross carrying amount | 18 | 18 |
PPL Electric Utilities Corp [Member] |  |  |
Not subject to amortization due to indefinite life: [Line Items] |  |  |
Gross carrying amount - other intangible assets | 428 | 416 |
PPL Electric Utilities Corp [Member] | Intangible assets with no regulatory offset [Member] |  |  |
Not subject to amortization due to indefinite life: [Line Items] |  |  |
Amortization expense | 4 | 4 | $ 4
PPL Electric Utilities Corp [Member] | Land Rights and Easements [Member] |  |  |
Not subject to amortization due to indefinite life: [Line Items] |  |  |
Gross carrying amount | $ 18 | $ 18 |

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