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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Other | $ 76 | $ 271 |  |
Allowance For Doubtful Accounts [Member] |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | 154 | 130 | $ 95 | $ 69
Additions charged to income | 109 | 87 | 78 |
Deductions | 85 | 52 | 52 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount |  |  | 95 |
Other | 39 | 41 | 36 |
PPL Electric Utilities Corp [Member] |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Other | 8 | 8 |  |
PPL Electric Utilities Corp [Member] | Allowance For Doubtful Accounts [Member] |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | 41 | 50 | 33 | $ 35
Additions charged to income | 56 | 52 | 27 |
Deductions | 65 | 35 | 29 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount |  |  | 33 |
Other | $ 2 | $ 3 | $ 3 |

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