Other Income (Expense) - net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income
Economic foreign currency exchange contracts	$ 1	$ 45	$ 63	$ 12
Defined benefit plans - non-service credits	67	80	135	160
Interest Income	1	3	2	9
AFUDC - equity component	5	6	8	11
Miscellaneous	1	3	2	9
Total Other Income	75	137	210	201
Other Expense
Charitable Contributions	1	0	2	2
Miscellaneous	(2)	6	7	16
Total Other Expense	(1)	6	9	18
Other Income (Expense) - net	76	131	201	183
PPL Electric Utilities Corp [Member]
Other Expense
Other Income (Expense) - net	$ 5	$ 6	$ 8	$ 11