Revenue from Contracts with Customers (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
| Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
| Operating Revenues |
$ 2,025
|
$ 1,881
|
$ 4,529
|
$ 4,185
|
| Alternative Revenue Programs |
20
|
(3)
|
70
|
5
|
| Other Revenue |
(5)
|
(4)
|
(13)
|
(12)
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(2,040)
|
(1,874)
|
(4,586)
|
(4,178)
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Accounts Receivable, Credit Loss Expense (Reversal) |
14
|
2
|
42
|
43
|
| Energy purchases |
388
|
275
|
947
|
795
|
| Residential [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(887)
|
(797)
|
(2,272)
|
(1,927)
|
| Commercial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(513)
|
(388)
|
(1,096)
|
(839)
|
| Industrial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(191)
|
(170)
|
(376)
|
(348)
|
| Other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(146)
|
(252)
|
(221)
|
(524)
|
| Wholesale - municipal [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(5)
|
(5)
|
(12)
|
(11)
|
| Wholesale - other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(24)
|
(13)
|
(62)
|
(28)
|
| Transmission [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(274)
|
(249)
|
(547)
|
(501)
|
| Pennsylvania Regulated [Member] |
|
|
|
|
| Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
| Operating Revenues |
693
|
673
|
1,512
|
1,443
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(700)
|
(662)
|
(1,512)
|
(1,424)
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Energy purchases |
169
|
153
|
398
|
367
|
| Pennsylvania Regulated [Member] | Residential [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(345)
|
(332)
|
(802)
|
(758)
|
| Pennsylvania Regulated [Member] | Commercial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(106)
|
(101)
|
(212)
|
(207)
|
| Pennsylvania Regulated [Member] | Industrial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(13)
|
(10)
|
(26)
|
(22)
|
| Pennsylvania Regulated [Member] | Other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(13)
|
(15)
|
(26)
|
(28)
|
| 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 |
(223)
|
(204)
|
(446)
|
(409)
|
| Kentucky Regulated [Member] |
|
|
|
|
| Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
| Operating Revenues |
837
|
819
|
1,896
|
1,803
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(833)
|
(821)
|
(1,895)
|
(944)
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Energy purchases |
30
|
22
|
126
|
99
|
| Kentucky Regulated [Member] | Residential [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(328)
|
(326)
|
(815)
|
(400)
|
| Kentucky Regulated [Member] | Commercial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(247)
|
(245)
|
(527)
|
(120)
|
| Kentucky Regulated [Member] | Industrial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(158)
|
(157)
|
(312)
|
(8)
|
| Kentucky Regulated [Member] | Other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(71)
|
(75)
|
(167)
|
(324)
|
| Kentucky Regulated [Member] | Wholesale - municipal [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(5)
|
(5)
|
(12)
|
0
|
| Kentucky Regulated [Member] | Wholesale - other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(24)
|
(13)
|
(62)
|
0
|
| Kentucky Regulated [Member] | Transmission [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
0
|
0
|
0
|
(92)
|
| Corporate and Other [Member] |
|
|
|
|
| Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
| Operating Revenues |
1
|
0
|
1
|
1
|
| Rhode Island Regulated |
|
|
|
|
| Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
| Operating Revenues |
494
|
389
|
1,120
|
938
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(507)
|
(391)
|
(1,179)
|
(1,810)
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Energy purchases |
190
|
100
|
425
|
329
|
| Rhode Island Regulated | Net metering |
|
|
|
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Energy purchases |
55
|
53
|
96
|
85
|
| Rhode Island Regulated | Residential [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(214)
|
(139)
|
(655)
|
(769)
|
| Rhode Island Regulated | Residential [Member] | Reclassification, Other |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(113)
|
|
(268)
|
|
| Rhode Island Regulated | Commercial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(160)
|
(42)
|
(357)
|
(512)
|
| Rhode Island Regulated | Commercial [Member] | Reclassification, Other |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(104)
|
|
(193)
|
|
| Rhode Island Regulated | Industrial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(20)
|
(3)
|
(38)
|
(318)
|
| Rhode Island Regulated | Industrial [Member] | Reclassification, Other |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(20)
|
|
(38)
|
|
| Rhode Island Regulated | Other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(62)
|
(162)
|
(28)
|
(172)
|
| Rhode Island Regulated | Wholesale - municipal [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
0
|
0
|
0
|
(11)
|
| Rhode Island Regulated | Wholesale - other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
0
|
0
|
0
|
(28)
|
| Rhode Island Regulated | Transmission [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(51)
|
(45)
|
(101)
|
0
|
| PPL Electric Utilities Corp [Member] |
|
|
|
|
| Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
| Operating Revenues |
693
|
673
|
1,512
|
1,443
|
| Alternative Revenue Programs |
11
|
(8)
|
9
|
(11)
|
| Other Revenue |
(4)
|
(3)
|
(9)
|
(8)
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(700)
|
(662)
|
(1,512)
|
(1,424)
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Accounts Receivable, Credit Loss Expense (Reversal) |
2
|
(4)
|
9
|
24
|
| Energy purchases |
169
|
153
|
398
|
367
|
| PPL Electric Utilities Corp [Member] | Residential [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(345)
|
(332)
|
(802)
|
(758)
|
| PPL Electric Utilities Corp [Member] | Commercial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(106)
|
(101)
|
(212)
|
(207)
|
| PPL Electric Utilities Corp [Member] | Industrial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(13)
|
(10)
|
(26)
|
(22)
|
| PPL Electric Utilities Corp [Member] | Other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(13)
|
(15)
|
(26)
|
(28)
|
| 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 |
(223)
|
(204)
|
(446)
|
(409)
|
| Louisville Gas And Electric Co [Member] |
|
|
|
|
| Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
| Operating Revenues |
378
|
366
|
883
|
842
|
| Alternative Revenue Programs |
(1)
|
2
|
1
|
4
|
| Other Revenue |
(1)
|
(1)
|
(2)
|
(2)
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(376)
|
(367)
|
(882)
|
(844)
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Accounts Receivable, Credit Loss Expense (Reversal) |
0
|
0
|
2
|
1
|
| Energy purchases |
23
|
15
|
111
|
86
|
| Louisville Gas And Electric Co [Member] | Residential [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(167)
|
(163)
|
(406)
|
(381)
|
| Louisville Gas And Electric Co [Member] | Commercial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(122)
|
(121)
|
(269)
|
(259)
|
| Louisville Gas And Electric Co [Member] | Industrial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(48)
|
(46)
|
(94)
|
(93)
|
| Louisville Gas And Electric Co [Member] | Other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(28)
|
(31)
|
(82)
|
(83)
|
| 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 |
(11)
|
(6)
|
(31)
|
(28)
|
| 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 |
472
|
464
|
1,036
|
989
|
| Alternative Revenue Programs |
(3)
|
1
|
1
|
6
|
| Other Revenue |
0
|
(1)
|
(2)
|
(2)
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(469)
|
(464)
|
(1,035)
|
(993)
|
| Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
| Accounts Receivable, Credit Loss Expense (Reversal) |
1
|
0
|
2
|
1
|
| Energy purchases |
7
|
6
|
14
|
12
|
| Kentucky Utilities Co [Member] | Residential [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(161)
|
(163)
|
(409)
|
(388)
|
| Kentucky Utilities Co [Member] | Commercial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(125)
|
(124)
|
(258)
|
(253)
|
| Kentucky Utilities Co [Member] | Industrial [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(110)
|
(111)
|
(218)
|
(225)
|
| Kentucky Utilities Co [Member] | Other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(43)
|
(43)
|
(85)
|
(89)
|
| Kentucky Utilities Co [Member] | Wholesale - municipal [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(5)
|
(5)
|
(12)
|
(11)
|
| Kentucky Utilities Co [Member] | Wholesale - other [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
(25)
|
(18)
|
(53)
|
(27)
|
| Kentucky Utilities Co [Member] | Transmission [Member] |
|
|
|
|
| Disaggregation of Revenue [Abstract] |
|
|
|
|
| Revenues from Contracts with Customers |
$ 0
|
$ 0
|
$ 0
|
$ 0
|