Quarterly Financial Data (Unaudited) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Line Items]
Operating Revenues		$ 5,783	$ 5,474	$ 5,602
Operating income		$ 1,424	$ 1,586	$ 1,526
Net income (loss) available to PPL common shareowners: [Abstract]
Net Income (Loss) Available to PPL Common Shareowners		$ (1.93)	$ 1.91	$ 2.39
Net Income (Loss) Available to PPL Common Shareowners		(1.93)	1.91	2.37
Dividends declared per share of common stock (in dollars per share)	$ 0.415	$ 1.66	$ 1.66	$ 1.65
PPL Electric Utilities Corp [Member]
Quarterly Financial Information Disclosure [Line Items]
Operating Revenues		$ 2,402	$ 2,331	$ 2,358
Operating income		$ 735	$ 817	$ 745