Revenue from Contracts with Customers (Details) - USD ($) $ in Millions |
3 Months Ended |
9 Months Ended |
|
|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
$ 2,134
|
$ 1,512
|
$ 5,612
|
$ 4,298
|
|
|
Alternative Revenue Programs |
51
|
19
|
(16)
|
62
|
|
|
Other Revenue |
(8)
|
(4)
|
(21)
|
(15)
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
2,177
|
1,527
|
5,575
|
4,345
|
|
|
Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
|
|
Accounts Receivable, Credit Loss Expense (Reversal) |
21
|
7
|
55
|
9
|
|
|
Contract with Customer, Liability |
35
|
37
|
35
|
37
|
$ 42
|
$ 40
|
Contract with Customer, Liability, Revenue Recognized |
|
|
25
|
24
|
|
|
Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
908
|
684
|
2,538
|
2,025
|
|
|
Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
453
|
345
|
1,211
|
955
|
|
|
Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
201
|
168
|
568
|
474
|
|
|
Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
359
|
100
|
620
|
284
|
|
|
Wholesale - municipal [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
8
|
7
|
22
|
18
|
|
|
Wholesale - other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
21
|
20
|
66
|
53
|
|
|
Transmission [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
227
|
203
|
550
|
536
|
|
|
Pennsylvania Regulated [Member] |
|
|
|
|
|
|
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
766
|
627
|
2,217
|
1,769
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
765
|
649
|
2,150
|
1,837
|
|
|
Pennsylvania Regulated [Member] | Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
407
|
324
|
1,189
|
964
|
|
|
Pennsylvania Regulated [Member] | Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
135
|
95
|
360
|
260
|
|
|
Pennsylvania Regulated [Member] | Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
22
|
14
|
67
|
39
|
|
|
Pennsylvania Regulated [Member] | Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
13
|
13
|
39
|
38
|
|
|
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 |
188
|
203
|
495
|
536
|
|
|
Kentucky Regulated [Member] |
|
|
|
|
|
|
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
977
|
879
|
2,864
|
2,505
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
978
|
872
|
2,872
|
2,484
|
|
|
Kentucky Regulated [Member] | Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
401
|
360
|
1,218
|
1,061
|
|
|
Kentucky Regulated [Member] | Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
284
|
250
|
805
|
695
|
|
|
Kentucky Regulated [Member] | Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
176
|
154
|
497
|
435
|
|
|
Kentucky Regulated [Member] | Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
88
|
81
|
264
|
222
|
|
|
Kentucky Regulated [Member] | Wholesale - municipal [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
8
|
7
|
22
|
18
|
|
|
Kentucky Regulated [Member] | Wholesale - other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
21
|
20
|
66
|
53
|
|
|
Kentucky Regulated [Member] | Transmission [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Corporate and Other [Member] |
|
|
|
|
|
|
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
7
|
6
|
19
|
24
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
7
|
6
|
19
|
24
|
|
|
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
|
|
|
|
|
|
Revenue, Remaining Performance Obligation, Amount |
41
|
|
41
|
|
|
|
Corporate and Other [Member] | Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Corporate and Other [Member] | Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Corporate and Other [Member] | Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Corporate and Other [Member] | Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
7
|
6
|
19
|
24
|
|
|
Corporate and Other [Member] | Wholesale - municipal [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Corporate and Other [Member] | Wholesale - other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Corporate and Other [Member] | Transmission [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Rhode Island Regulated |
|
|
|
|
|
|
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
384
|
0
|
512
|
0
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
427
|
0
|
534
|
0
|
|
|
Rhode Island Regulated | Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
100
|
0
|
131
|
0
|
|
|
Rhode Island Regulated | Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
34
|
0
|
46
|
0
|
|
|
Rhode Island Regulated | Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
3
|
0
|
4
|
0
|
|
|
Rhode Island Regulated | Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
251
|
0
|
298
|
0
|
|
|
Rhode Island Regulated | Wholesale - municipal [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Rhode Island Regulated | Wholesale - other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
0
|
0
|
0
|
0
|
|
|
Rhode Island Regulated | Transmission [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
39
|
0
|
55
|
0
|
|
|
PPL Electric [Member] |
|
|
|
|
|
|
Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
|
|
Revenue Reserve for ROE Challenge |
13
|
|
64
|
|
|
|
Amortization of Revenue Reserve for ROE Challenge |
|
|
74
|
|
|
|
Rhode Island Energy |
|
|
|
|
|
|
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
|
|
512
|
|
|
|
Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
|
|
Accounts Receivable Forgiven, AR Reserve |
3
|
|
26
|
|
|
|
PPL Electric Utilities Corp [Member] |
|
|
|
|
|
|
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
766
|
627
|
2,217
|
1,769
|
|
|
Alternative Revenue Programs |
3
|
22
|
(56)
|
68
|
|
|
Other Revenue |
(4)
|
0
|
(11)
|
0
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
765
|
649
|
2,150
|
1,837
|
|
|
Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
|
|
Accounts Receivable, Credit Loss Expense (Reversal) |
7
|
3
|
12
|
4
|
|
|
Contract with Customer, Liability |
18
|
21
|
18
|
21
|
25
|
23
|
Contract with Customer, Liability, Revenue Recognized |
|
|
12
|
11
|
|
|
Revenue Reserve for ROE Challenge |
13
|
|
64
|
|
|
|
Amortization of Revenue Reserve for ROE Challenge |
|
|
74
|
|
|
|
PPL Electric Utilities Corp [Member] | Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
407
|
324
|
1,189
|
964
|
|
|
PPL Electric Utilities Corp [Member] | Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
135
|
95
|
360
|
260
|
|
|
PPL Electric Utilities Corp [Member] | Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
22
|
14
|
67
|
39
|
|
|
PPL Electric Utilities Corp [Member] | Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
13
|
13
|
39
|
38
|
|
|
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 |
188
|
203
|
495
|
536
|
|
|
Louisville Gas And Electric Co [Member] |
|
|
|
|
|
|
Reconciliation of Revenue from Contracts with Customers [Abstract] |
|
|
|
|
|
|
Operating Revenues |
436
|
395
|
1,339
|
1,165
|
|
|
Alternative Revenue Programs |
3
|
(1)
|
12
|
(2)
|
|
|
Other Revenue |
(1)
|
(2)
|
(5)
|
(7)
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
438
|
392
|
1,346
|
1,156
|
|
|
Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
|
|
Accounts Receivable, Credit Loss Expense (Reversal) |
2
|
1
|
4
|
1
|
|
|
Contract with Customer, Liability |
6
|
6
|
6
|
6
|
6
|
5
|
Contract with Customer, Liability, Revenue Recognized |
|
|
6
|
5
|
|
|
Louisville Gas And Electric Co [Member] | Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
200
|
180
|
615
|
529
|
|
|
Louisville Gas And Electric Co [Member] | Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
140
|
123
|
410
|
351
|
|
|
Louisville Gas And Electric Co [Member] | Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
53
|
46
|
147
|
135
|
|
|
Louisville Gas And Electric Co [Member] | Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
39
|
37
|
125
|
102
|
|
|
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 |
6
|
6
|
49
|
39
|
|
|
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 |
553
|
494
|
1,569
|
1,374
|
|
|
Alternative Revenue Programs |
1
|
(2)
|
5
|
(4)
|
|
|
Other Revenue |
(2)
|
(2)
|
(3)
|
(8)
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
552
|
490
|
1,571
|
1,362
|
|
|
Contract with Customer, Asset and Liability [Abstract] |
|
|
|
|
|
|
Accounts Receivable, Credit Loss Expense (Reversal) |
3
|
3
|
5
|
4
|
|
|
Contract with Customer, Liability |
6
|
6
|
6
|
6
|
$ 6
|
$ 6
|
Contract with Customer, Liability, Revenue Recognized |
|
|
6
|
6
|
|
|
Kentucky Utilities Co [Member] | Residential [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
201
|
180
|
603
|
532
|
|
|
Kentucky Utilities Co [Member] | Commercial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
144
|
127
|
395
|
344
|
|
|
Kentucky Utilities Co [Member] | Industrial [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
123
|
108
|
350
|
300
|
|
|
Kentucky Utilities Co [Member] | Other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
51
|
44
|
140
|
120
|
|
|
Kentucky Utilities Co [Member] | Wholesale - municipal [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
8
|
7
|
22
|
18
|
|
|
Kentucky Utilities Co [Member] | Wholesale - other [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
25
|
24
|
61
|
48
|
|
|
Kentucky Utilities Co [Member] | Transmission [Member] |
|
|
|
|
|
|
Disaggregation of Revenue [Abstract] |
|
|
|
|
|
|
Revenues from Contracts with Customers |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
|