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v3.25.3

Revenue from Contracts with Customers (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | $ 2,239 | $ 2,066 | $ 6,768 | $ 6,251
Alternative Revenue Programs | 6 | 17 | 75 | 21
Other Revenue | (8) | (6) | (20) | (18)
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (2,237) | (2,077) | (6,823) | (6,254)
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 30 | 28 | 72 | 72
Energy purchases | 422 | 338 | 1,369 | 1,133
Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (1,055) | (857) | (3,327) | (2,752)
Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (555) | (417) | (1,652) | (1,280)
Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (201) | (178) | (577) | (530)
Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (98) | (342) | (319) | (885)
Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (7) | (7) | (19) | (18)
Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (26) | (20) | (88) | (48)
Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (295) | (256) | (841) | (741)
Pennsylvania Regulated [Member] |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | 786 | 716 | 2,298 | 2,159
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (782) | (709) | (2,294) | (2,133)
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Energy purchases | 224 | 177 | 622 | 544
Pennsylvania Regulated [Member] | Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (403) | (367) | (1,205) | (1,125)
Pennsylvania Regulated [Member] | Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (119) | (111) | (331) | (318)
Pennsylvania Regulated [Member] | Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (16) | (12) | (42) | (34)
Pennsylvania Regulated [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (15) | (15) | (41) | (43)
Pennsylvania Regulated [Member] | Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0
Pennsylvania Regulated [Member] | Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0
Pennsylvania Regulated [Member] | Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (229) | (204) | (675) | (613)
Kentucky Regulated [Member] |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | 944 | 895 | 2,841 | 2,698
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (941) | (910) | (2,836) | (1,400)
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Energy purchases | 23 | 25 | 149 | 124
Kentucky Regulated [Member] | Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (394) | (378) | (1,209) | (480)
Kentucky Regulated [Member] | Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (278) | (268) | (805) | (182)
Kentucky Regulated [Member] | Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (162) | (161) | (474) | (17)
Kentucky Regulated [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (74) | (76) | (241) | (593)
Kentucky Regulated [Member] | Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (7) | (7) | (19) | 0
Kentucky Regulated [Member] | Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (26) | (20) | (88) | 0
Kentucky Regulated [Member] | Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | (128)
Corporate and Other [Member] |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | 0 | 0 | 0 | 1
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | (1)
Corporate and Other [Member] | Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | 0
Corporate and Other [Member] | Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | 0
Corporate and Other [Member] | Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | 0
Corporate and Other [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | (1)
Corporate and Other [Member] | Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | 0
Corporate and Other [Member] | Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | 0
Corporate and Other [Member] | Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers |  |  |  | 0
Rhode Island Regulated |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | 509 | 455 | 1,629 | 1,393
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (514) | (458) | (1,693) | (2,720)
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Energy purchases | 173 | 135 | 598 | 464
Rhode Island Regulated | Net metering |  |  |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Energy purchases | 34 | 25 | 130 | 110
Rhode Island Regulated | Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (258) | (112) | (913) | (1,147)
Rhode Island Regulated | Residential [Member] | Reclassification, Other |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (153) |  | (421) |
Rhode Island Regulated | Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (158) | (38) | (516) | (780)
Rhode Island Regulated | Commercial [Member] | Reclassification, Other |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (122) |  | (315) |
Rhode Island Regulated | Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (23) | (5) | (61) | (479)
Rhode Island Regulated | Industrial [Member] | Reclassification, Other |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (23) |  | (61) |
Rhode Island Regulated | Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (9) | (251) | (37) | (248)
Rhode Island Regulated | Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | (18)
Rhode Island Regulated | Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | (48)
Rhode Island Regulated | Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (66) | (52) | (166) | 0
PPL Electric Utilities Corp [Member] |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | 786 | 716 | 2,298 | 2,159
Alternative Revenue Programs | 0 | (3) | 9 | (14)
Other Revenue | (4) | (4) | (13) | (12)
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (782) | (709) | (2,294) | (2,133)
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 11 | 13 | 20 | 37
Energy purchases | 224 | 177 | 622 | 544
PPL Electric Utilities Corp [Member] | Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (403) | (367) | (1,205) | (1,125)
PPL Electric Utilities Corp [Member] | Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (119) | (111) | (331) | (318)
PPL Electric Utilities Corp [Member] | Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (16) | (12) | (42) | (34)
PPL Electric Utilities Corp [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (15) | (15) | (41) | (43)
PPL Electric Utilities Corp [Member] | Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0
PPL Electric Utilities Corp [Member] | Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0
PPL Electric Utilities Corp [Member] | Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (229) | (204) | (675) | (613)
Louisville Gas And Electric Co [Member] |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | 427 | 397 | 1,310 | 1,239
Alternative Revenue Programs | (2) | 11 | (1) | 15
Other Revenue | (1) | (1) | (3) | (3)
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (424) | (407) | (1,306) | (1,251)
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 1 | 1 | 3 | 2
Energy purchases | 17 | 19 | 128 | 105
Louisville Gas And Electric Co [Member] | Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (195) | (190) | (601) | (571)
Louisville Gas And Electric Co [Member] | Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (137) | (132) | (406) | (391)
Louisville Gas And Electric Co [Member] | Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (49) | (48) | (143) | (141)
Louisville Gas And Electric Co [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (29) | (31) | (111) | (114)
Louisville Gas And Electric Co [Member] | Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0
Louisville Gas And Electric Co [Member] | Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (14) | (6) | (45) | (34)
Louisville Gas And Electric Co [Member] | Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0
Kentucky Utilities Co [Member] |  |  |  |
Reconciliation of Revenue from Contracts with Customers [Abstract] |  |  |  |
Operating Revenues | 530 | 509 | 1,566 | 1,498
Alternative Revenue Programs | 2 | 7 | 3 | 13
Other Revenue | (1) | (1) | (3) | (3)
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (531) | (515) | (1,566) | (1,508)
Contract with Customer, Asset and Liability [Abstract] |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) | 2 | 2 | 4 | 3
Energy purchases | 6 | 7 | 20 | 19
Kentucky Utilities Co [Member] | Residential [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (199) | (188) | (608) | (576)
Kentucky Utilities Co [Member] | Commercial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (141) | (136) | (399) | (389)
Kentucky Utilities Co [Member] | Industrial [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (113) | (113) | (331) | (338)
Kentucky Utilities Co [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (46) | (45) | (131) | (134)
Kentucky Utilities Co [Member] | Wholesale - municipal [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (7) | (7) | (19) | (18)
Kentucky Utilities Co [Member] | Wholesale - other [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | (25) | (26) | (78) | (53)
Kentucky Utilities Co [Member] | Transmission [Member] |  |  |  |
Disaggregation of Revenue [Abstract] |  |  |  |
Revenues from Contracts with Customers | $ 0 | $ 0 | $ 0 | $ 0

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