Other Income (Expense) - net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other Income
Defined benefit plans - non-service credits	$ 8	$ 17
AFUDC - equity component	9	6
Miscellaneous	(2)	(1)
Other Expense
Charitable Contributions	(2)	(1)
Other Income (Expense) - net	22	30
Interest Income (Expense), Nonoperating, Net	9	9
PPL Electric Utilities Corp [Member]
Other Income
Defined benefit plans - non-service credits	4	5
AFUDC - equity component	5	4
Other Expense
Charitable Contributions	(1)	(1)
Other Income (Expense) - net	9	12
Interest Income (Expense), Nonoperating, Net	$ 1	$ 4