Other Income (Expense) - net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income
Defined benefit plans - non-service credits	$ 7	$ 6	$ 27	$ 18
Interest Income	0	6	(2)	10
AFUDC - equity component	8	4	17	13
Miscellaneous	(4)	(4)	(4)	(14)
Other Expense
Charitable Contributions	(1)	0	(2)	(2)
Other Income (Expense) - net	10	12	36	25
PPL Electric Utilities Corp [Member]
Other Income
Defined benefit plans - non-service credits	4	2	12	7
AFUDC - equity component	4	4	12	13
Miscellaneous	(2)	0	(3)	(2)
Other Expense
Charitable Contributions	0	0	(2)	(2)
Other Income (Expense) - net	$ 6	$ 6	$ 19	$ 16