Other Income (Expense) - net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Other Income
Defined benefit plans - non-service credits	$ 17	$ 10
AFUDC - equity component	6	4
Miscellaneous	(1)	(12)
Other Expense
Charitable Contributions	(1)	(1)
Other Income (Expense) - net	30	0
Interest Income (Expense), Nonoperating, Net	9	(1)
PPL Electric Utilities Corp [Member]
Other Income
Defined benefit plans - non-service credits	5	4
AFUDC - equity component	4	4
Miscellaneous	0	(2)
Other Expense
Charitable Contributions	(1)	(1)
Other Income (Expense) - net	12	6
Interest Income (Expense), Nonoperating, Net	$ 4	$ 1