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v3.23.3

Revenue from Contracts with Customers (Tables) | 9 Months Ended
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Sep. 30, 2023
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 September 30.
| 2023 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a) | $ | 2,043 |  |  | $ | 737 |  |  | $ | 398 |  |  | $ | 505 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (b) | 1 |  |  | (2) |  |  | — |  |  | — |
Other (c) | (6) |  |  | (4) |  |  | (1) |  |  | (2) |
Revenues from Contracts with Customers | $ | 2,038 |  |  | $ | 731 |  |  | $ | 397 |  |  | $ | 503 |
| 2022 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a) | $ | 2,134 |  |  | $ | 766 |  |  | $ | 436 |  |  | $ | 553 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (b) | 51 |  |  | 3 |  |  | 3 |  |  | 1 |
Other (c) | (8) |  |  | (4) |  |  | (1) |  |  | (2) |
Revenues from Contracts with Customers | $ | 2,177 |  |  | $ | 765 |  |  | $ | 438 |  |  | $ | 552 |
| 2023 Nine Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a) | $ | 6,281 |  |  | $ | 2,295 |  |  | $ | 1,227 |  |  | $ | 1,439 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (b) | 42 |  |  | 5 |  |  | 1 |  |  | (3) |
Other (c) | (17) |  |  | (11) |  |  | (3) |  |  | (3) |
Revenues from Contracts with Customers | $ | 6,306 |  |  | $ | 2,289 |  |  | $ | 1,225 |  |  | $ | 1,433 |
| 2022 Nine Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a) | $ | 5,612 |  |  | $ | 2,217 |  |  | $ | 1,339 |  |  | $ | 1,569 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (b) | (16) |  |  | (56) |  |  | 12 |  |  | 5 |
Other (c) | (21) |  |  | (11) |  |  | (5) |  |  | (3) |
Revenues from Contracts with Customers | $ | 5,575 |  |  | $ | 2,150 |  |  | $ | 1,346 |  |  | $ | 1,571 |
(a)PPL includes $413 million and $1.4 billion for the three and nine months ended September 30, 2023 and $384 million and $512 million for the three and nine months ended September 30, 2022 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)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. For PPL Electric, the nine months ended September 30, 2022, included $74 million related to the amortization of the regulatory liability recorded in 2021 for a reduction in the transmission formula rate return on equity that was reflected in rates in 2022. (c)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 September 30.
| Three Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 389 |  |  | $ | 113 |  |  | $ | 13 |  |  | $ | 14 |  |  | $ | — |  |  | $ | — |  |  | $ | 202 |  |  | $ | 731 |
KY Regulated | 367 |  |  | 260 |  |  | 162 |  |  | 79 |  |  | 6 |  |  | 17 |  |  | — |  |  | 891 |
RI Regulated | 110 |  |  | 32 |  |  | 4 |  |  | 223 |  |  | — |  |  | — |  |  | 47 |  |  | 416 |
Corp and Other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total PPL | $ | 866 |  |  | $ | 405 |  |  | $ | 179 |  |  | $ | 316 |  |  | $ | 6 |  |  | $ | 17 |  |  | $ | 249 |  |  | $ | 2,038 |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 407 |  |  | $ | 135 |  |  | $ | 22 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 188 |  |  | $ | 765 |
KY Regulated | 401 |  |  | 284 |  |  | 176 |  |  | 88 |  |  | 8 |  |  | 21 |  |  | — |  |  | 978 |
RI Regulated | 100 |  |  | 34 |  |  | 3 |  |  | 251 |  |  | — |  |  | — |  |  | 39 |  |  | 427 |
Corp and Other | — |  |  | — |  |  | — |  |  | 7 |  |  | — |  |  | — |  |  | — |  |  | 7 |
Total PPL | $ | 908 |  |  | $ | 453 |  |  | $ | 201 |  |  | $ | 359 |  |  | $ | 8 |  |  | $ | 21 |  |  | $ | 227 |  |  | $ | 2,177 |
PPL Electric |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 | $ | 389 |  |  | $ | 113 |  |  | $ | 13 |  |  | $ | 14 |  |  | $ | — |  |  | $ | — |  |  | $ | 202 |  |  | $ | 731 |
2022 | $ | 407 |  |  | $ | 135 |  |  | $ | 22 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 188 |  |  | $ | 765 |
LG&E |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 | $ | 182 |  |  | $ | 127 |  |  | $ | 49 |  |  | $ | 33 |  |  | $ | — |  |  | $ | 6 |  |  | $ | — |  |  | $ | 397 |
2022 | $ | 200 |  |  | $ | 140 |  |  | $ | 53 |  |  | $ | 39 |  |  | $ | — |  |  | $ | 6 |  |  | $ | — |  |  | $ | 438 |
KU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 | $ | 185 |  |  | $ | 133 |  |  | $ | 113 |  |  | $ | 45 |  |  | $ | 6 |  |  | $ | 21 |  |  | $ | — |  |  | $ | 503 |
2022 | $ | 201 |  |  | $ | 144 |  |  | $ | 123 |  |  | $ | 51 |  |  | $ | 8 |  |  | $ | 25 |  |  | $ | — |  |  | $ | 552 |
| Nine Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 1,266 |  |  | $ | 346 |  |  | $ | 44 |  |  | $ | 40 |  |  | $ | — |  |  | $ | — |  |  | $ | 593 |  |  | $ | 2,289 |
KY Regulated | 1,108 |  |  | 771 |  |  | 486 |  |  | 205 |  |  | 17 |  |  | 37 |  |  | — |  |  | 2,624 |
RI Regulated | 480 |  |  | 182 |  |  | 17 |  |  | 586 |  |  | — |  |  | — |  |  | 128 |  |  | 1,393 |
Corp and Other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total PPL | $ | 2,854 |  |  | $ | 1,299 |  |  | $ | 547 |  |  | $ | 831 |  |  | $ | 17 |  |  | $ | 37 |  |  | $ | 721 |  |  | $ | 6,306 |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 1,189 |  |  | $ | 360 |  |  | $ | 67 |  |  | $ | 39 |  |  | $ | — |  |  | $ | — |  |  | $ | 495 |  |  | $ | 2,150 |
KY Regulated | 1,218 |  |  | 805 |  |  | 497 |  |  | 264 |  |  | 22 |  |  | 66 |  |  | — |  |  | 2,872 |
RI Regulated | 131 |  |  | 46 |  |  | 4 |  |  | 298 |  |  | — |  |  | — |  |  | 55 |  |  | 534 |
Corp and Other | — |  |  | — |  |  | — |  |  | 19 |  |  | — |  |  | — |  |  | — |  |  | 19 |
Total PPL | $ | 2,538 |  |  | $ | 1,211 |  |  | $ | 568 |  |  | $ | 620 |  |  | $ | 22 |  |  | $ | 66 |  |  | $ | 550 |  |  | $ | 5,575 |
| Nine Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL Electric |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 | $ | 1,266 |  |  | $ | 346 |  |  | $ | 44 |  |  | $ | 40 |  |  | $ | — |  |  | $ | — |  |  | $ | 593 |  |  | $ | 2,289 |
2022 | $ | 1,189 |  |  | $ | 360 |  |  | $ | 67 |  |  | $ | 39 |  |  | $ | — |  |  | $ | — |  |  | $ | 495 |  |  | $ | 2,150 |
LG&E |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 | $ | 574 |  |  | $ | 398 |  |  | $ | 145 |  |  | $ | 75 |  |  | $ | — |  |  | $ | 33 |  |  | $ | — |  |  | $ | 1,225 |
2022 | $ | 615 |  |  | $ | 410 |  |  | $ | 147 |  |  | $ | 125 |  |  | $ | — |  |  | $ | 49 |  |  | $ | — |  |  | $ | 1,346 |
KU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 | $ | 534 |  |  | $ | 373 |  |  | $ | 341 |  |  | $ | 130 |  |  | $ | 17 |  |  | $ | 38 |  |  | $ | — |  |  | $ | 1,433 |
2022 | $ | 603 |  |  | $ | 395 |  |  | $ | 350 |  |  | $ | 140 |  |  | $ | 22 |  |  | $ | 61 |  |  | $ | — |  |  | $ | 1,571 |
(a)Primarily includes revenues from pole attachments, street lighting, other public authorities and other non-core businesses. 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.
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 September 30.
| Three Months |  | Nine Months
| 2023 |  | 2022 |  | 2023 |  | 2022
PPL | $ | 20 |  |  | $ | 21 |  |  | $ | 47 |  |  | $ | 55 |
PPL Electric | 10 |  |  | 7 |  |  | 27 |  |  | 12 |
LG&E | 2 |  |  | 2 |  |  | 3 |  |  | 4 |
KU | 1 |  |  | 3 |  |  | 2 |  |  | 5 |
Contract with Customer, Asset and Liability [Table Text Block] | The following table shows the balances and certain activity of contract liabilities resulting from contracts with customers.
| PPL |  | PPL Electric |  | LG&E |  | KU
Contract liabilities at December 31, 2022 | $ | 34 |  |  | $ | 23 |  |  | $ | 5 |  |  | $ | 6 |
Contract liabilities at September 30, 2023 | 33 |  |  | 21 |  |  | 5 |  |  | 6 |
Revenue recognized during the nine months ended September 30, 2023 that was included in the contract liability balance at December 31, 2022 | 21 |  |  | 10 |  |  | 5 |  |  | 6 |
Contract liabilities at December 31, 2021 | $ | 42 |  |  | $ | 25 |  |  | $ | 6 |  |  | $ | 6 |
Contract liabilities at September 30, 2022 | 35 |  |  | 18 |  |  | 6 |  |  | 6 |
Revenue recognized during the nine months ended September 30, 2022 that was included in the contract liability balance at December 31, 2021 | 25 |  |  | 12 |  |  | 6 |  |  | 6 |

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