Other Income (Expense) - net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Income
Defined benefit plans - non-service credits	$ 9	$ 8	$ 20	$ 12
Interest Income	(1)	4	(2)	4
AFUDC - equity component	6	5	10	9
Miscellaneous	3	5	4	5
Total Other Income	17	22	32	30
Other Expense
Charitable Contributions	1	1	2	2
Miscellaneous	(10)	8	4	15
Total Other Expense	(9)	9	6	17
Other Income (Expense) - net	26	13	26	13
PPL Electric Utilities Corp [Member]
Other Income
Defined benefit plans - non-service credits	4	2	8	4
Interest Income	0	0	1	0
AFUDC - equity component	4	4	8	9
Total Other Income	8	6	17	13
Other Expense
Charitable Contributions	0	0	2	1
Miscellaneous	1	1	2	2
Total Other Expense	1	1	4	3
Other Income (Expense) - net	$ 7	$ 5	$ 13	$ 10