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Revenue from Contracts with Customers (Tables) | 3 Months Ended
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Mar. 31, 2025
Revenue from Contracts with Customers [Line Items] |
Reconciliation of Revenue from Contracts with Customers [Table Text Block] | The following tables reconcile "Operating Revenues" included in each Registrant's Statement of Income with revenues generated from contracts with customers for the periods ended March 31.
| 2025 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a)(b) | $ | 2,504 |  |  | $ | 819 |  |  | $ | 505 |  |  | $ | 564 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (c) | 50 |  |  | (2) |  |  | 2 |  |  | 4 |
Other (d) | (9) |  |  | (5) |  |  | (1) |  |  | (2) |
Revenues from Contracts with Customers | $ | 2,545 |  |  | $ | 812 |  |  | $ | 506 |  |  | $ | 566 |
| 2024 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a)(b) | $ | 2,304 |  |  | $ | 770 |  |  | $ | 476 |  |  | $ | 525 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (c) | 7 |  |  | (3) |  |  | 2 |  |  | 5 |
Other (d) | (8) |  |  | (5) |  |  | (1) |  |  | (1) |
Revenues from Contracts with Customers | $ | 2,303 |  |  | $ | 762 |  |  | $ | 477 |  |  | $ | 529 |
(a)PPL includes $626 million for the three months ended March 31, 2025 and $549 million for the three months ended March 31, 2024 of revenues from external customers reported by the Rhode Island Regulated segment. PPL Electric represents revenues from external customers reported by the Pennsylvania Regulated segment and LG&E and KU, net of intercompany power sales and transmission revenues, represent revenues from external customers reported by the Kentucky Regulated segment. See Note 2 for additional information. (b)PPL's transition services agreement associated with the RIE acquisition ended in the third quarter of 2024. In conjunction with the completion of the agreement, PPL conformed the presentation of RIE's and the Rhode Island Regulated segment’s net metering charges with the presentation of the other segments, resulting in an increase in Operating Revenues and a corresponding increase in Energy purchases beginning in the fourth quarter of 2024. For the quarter ended March 31, 2025, net metering of $41 million was included in Energy purchases on PPL's Statement of Income. For the quarter ended March 31, 2024, $32 million of net metering was presented as a reduction of Operating Revenues on PPL's Statement of Income. (c)This line item shows the over/under collection of rate mechanisms deemed alternative revenue programs with over-collections of revenue shown as positive amounts in the table above and under-collections shown as negative amounts. (d)Represents additional revenues outside the scope of revenues from contracts with customers, such as lease and other miscellaneous revenues.
Disaggregation of Revenue [Table Text Block] | The following tables show revenues from contracts with customers disaggregated by customer class for the periods ended March 31.
| Three Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 457 |  |  | $ | 106 |  |  | $ | 13 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 223 |  |  | $ | 812 |
KY Regulated | 487 |  |  | 280 |  |  | 154 |  |  | 96 |  |  | 7 |  |  | 38 |  |  | — |  |  | 1,062 |
RI Regulated (c) | 441 |  |  | 197 |  |  | 18 |  |  | (35) |  |  | — |  |  | — |  |  | 50 |  |  | 671 |
Total PPL | $ | 1,385 |  |  | $ | 583 |  |  | $ | 185 |  |  | $ | 74 |  |  | $ | 7 |  |  | $ | 38 |  |  | $ | 273 |  |  | $ | 2,545 |
2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 426 |  |  | $ | 106 |  |  | $ | 12 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 205 |  |  | $ | 762 |
KY Regulated | 443 |  |  | 267 |  |  | 161 |  |  | 97 |  |  | 6 |  |  | 15 |  |  | — |  |  | 989 |
RI Regulated (c) | 261 |  |  | 78 |  |  | 4 |  |  | 161 |  |  | — |  |  | — |  |  | 47 |  |  | 551 |
Corp and Other | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 1 |
Total PPL | $ | 1,130 |  |  | $ | 451 |  |  | $ | 177 |  |  | $ | 272 |  |  | $ | 6 |  |  | $ | 15 |  |  | $ | 252 |  |  | $ | 2,303 |
PPL Electric |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 457 |  |  | $ | 106 |  |  | $ | 13 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 223 |  |  | $ | 812 |
2024 | $ | 426 |  |  | $ | 106 |  |  | $ | 12 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 205 |  |  | $ | 762 |
LG&E |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 239 |  |  | $ | 147 |  |  | $ | 46 |  |  | $ | 54 |  |  | $ | — |  |  | $ | 20 |  |  | $ | — |  |  | $ | 506 |
2024 | $ | 218 |  |  | $ | 138 |  |  | $ | 47 |  |  | $ | 52 |  |  | $ | — |  |  | $ | 22 |  |  | $ | — |  |  | $ | 477 |
KU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 248 |  |  | $ | 133 |  |  | $ | 108 |  |  | $ | 42 |  |  | $ | 7 |  |  | $ | 28 |  |  | $ | — |  |  | $ | 566 |
2024 | $ | 225 |  |  | $ | 129 |  |  | $ | 114 |  |  | $ | 46 |  |  | $ | 6 |  |  | $ | 9 |  |  | $ | — |  |  | $ | 529 |
(a)Primarily includes revenues from pole attachments, street lighting, other public authorities and other non-core businesses, and for the Rhode Island Regulated Segment certain regulatory deferral mechanisms which could result in a reduction in revenues from over collections. For the period ended 2024, the Rhode Island Regulated segment primarily includes open access tariff revenues, which are calculated on combined customer classes. (b)Includes wholesale power and transmission revenues. LG&E and KU amounts include intercompany power sales and transmission revenues, which are eliminated upon consolidation at the Kentucky Regulated segment. (c)PPL's transition services agreement associated with the RIE acquisition ended in the third quarter of 2024. In conjunction with the completion of the agreement, PPL disaggregated the 2024 revenues of the Rhode Island Regulated segment in a manner consistent with that of its other segments. This resulted in certain customer revenues for the Rhode Island Regulated segment, which were previously presented in the "Other" category, being presented in the "Residential", "Commercial" or "Industrial" customer classes beginning in the fourth quarter of 2024. Applying the previous methodology to 2025 revenues would result in $155 million of Residential, $89 million of Commercial and $13 million of Industrial for the Rhode Island Regulated segment being presented as "Other" for the three months ended March 31, 2025.
Credit Loss Recognized from Contracts with Customers [Table Text Block] | The following table shows the accounts receivable and unbilled revenues balances that were impaired for the periods ended March 31.
|  |  | Three Months
|  |  |  |  | 2025 |  | 2024
PPL (a) |  |  |  |  | $ | 25 |  |  | $ | 42 |
PPL Electric (a) |  |  |  |  | 7 |  |  | 28 |
LG&E |  |  |  |  | 2 |  |  | 1 |
KU |  |  |  |  | 1 |  |  | 1 |
(a)2024 includes amounts impaired related to PPL Electric's billing issues.

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