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Revenue from Contracts with Customers (Tables)
 9 Months Ended
Sep. 30, 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 September 30.
2025 Three Months
PPL PPL ElectricLG&EKU
Operating Revenues (a)(b)$2,239 $786 $427 $530 
   Revenues derived from:
Alternative revenue programs (c)6 — (2)2 
Other (d)(8)(4)(1)(1)
Revenues from Contracts with Customers$2,237 $782 $424 $531 
2024 Three Months
PPLPPL ElectricLG&EKU
Operating Revenues (a)(b)$2,066 $716 $397 $509 
   Revenues derived from:
Alternative revenue programs (c)17 (3)11 7 
Other (d)(6)(4)(1)(1)
Revenues from Contracts with Customers$2,077 $709 $407 $515 
2025 Nine Months
PPLPPL ElectricLG&EKU
Operating Revenues (a)(b)$6,768 $2,298 $1,310 $1,566 
   Revenues derived from:
Alternative revenue programs (c)75 9 (1)3 
Other (d)(20)(13)(3)(3)
Revenues from Contracts with Customers$6,823 $2,294 $1,306 $1,566 
2024 Nine Months
PPLPPL ElectricLG&EKU
Operating Revenues (a)(b)$6,251 $2,159 $1,239 $1,498 
   Revenues derived from:
Alternative revenue programs (c)21 (14)15 13 
Other (d)(18)(12)(3)(3)
Revenues from Contracts with Customers$6,254 $2,133 $1,251 $1,508 

(a)PPL includes $509 million and $1,629 million for the three and nine months ended September 30, 2025 and $455 million and $1,393 million for the three and nine months ended September 30, 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 three and nine months ended September 30, 2025, net metering of $34 million and $130 million was included in Energy purchases on PPL's Statement of Income. For the three and nine months ended September 30, 2024, $25 million and $110 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 September 30.
Three Months
ResidentialCommercialIndustrialOther (a)Wholesale - municipalityWholesale - other (b)TransmissionRevenues from Contracts with Customers
PPL
2025
PA Regulated$403 $119 $16 $15 $— $— $229 $782 
KY Regulated394 278 162 74 7 26 — 941 
RI Regulated (c)258 158 23 9 — — 66 514 
Total PPL$1,055 $555 $201 $98 $7 $26 $295 $2,237 
2024
PA Regulated$367 $111 $12 $15 $— $— $204 $709 
KY Regulated378 268 161 76 7 20 — 910 
RI Regulated (c)112 38 5 251 — — 52 458 
Total PPL$857 $417 $178 $342 $7 $20 $256 $2,077 
PPL Electric
2025$403 $119 $16 $15 $— $— $229 $782 
2024$367 $111 $12 $15 $— $— $204 $709 
LG&E
2025$195 $137 $49 $29 $— $14 $— $424 
2024$190 $132 $48 $31 $— $6 $— $407 
KU
2025$199 $141 $113 $46 $7 $25 $— $531 
2024$188 $136 $113 $45 $7 $26 $— $515 
Nine Months
ResidentialCommercialIndustrialOther (a)Wholesale - municipalityWholesale - other (b)TransmissionRevenues from Contracts with Customers
PPL
2025
PA Regulated$1,205 $331 $42 $41 $— $— $675 $2,294 
KY Regulated1,209 805 474 241 19 88 — 2,836 
RI Regulated (c)913 516 61 37 — — 166 1,693 
Total PPL$3,327 $1,652 $577 $319 $19 $88 $841 $6,823 
2024
PA Regulated$1,125 $318 $34 $43 $— $— $613 $2,133 
KY Regulated1,147 780 479 248 18 48 — 2,720 
RI Regulated (c)480 182 17 593 — — 128 1,400 
Corp and Other— — — 1 — — — 1 
Total PPL$2,752 $1,280 $530 $885 $18 $48 $741 $6,254 
PPL Electric
2025$1,205 $331 $42 $41 $— $— $675 $2,294 
2024$1,125 $318 $34 $43 $— $— $613 $2,133 
LG&E
2025$601 $406 $143 $111 $— $45 $— $1,306 
2024$571 $391 $141 $114 $— $34 $— $1,251 
KU
2025$608 $399 $331 $131 $19 $78 $— $1,566 
2024$576 $389 $338 $134 $18 $53 $— $1,508 
(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 periods ended September 30, 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 $153 million of Residential, $122 million of Commercial and $23 million of Industrial for the three months ended September 30, 2025 and $421 million of Residential, $315 million of Commercial and $61 million of Industrial for the nine months ended September 30, 2025 for the Rhode Island Regulated segment being presented as "Other".
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 MonthsNine Months
2025202420252024
PPL (a)$30 $28 $72 $72 
PPL Electric (a)11 13 20 37 
LG&E1 1 3 2 
KU2 2 4 3 

(a)2024 includes amounts impaired related to PPL Electric's billing issues. See Note 7 in PPL's 2024 Form 10-K for additional information.