Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income (Numerator)
Net income (loss)	$ 888	$ 740	$ 756
Less amounts allocated to participating securities	2	1	1
Net Income (Loss) Available to Common Stockholders, Basic	886	739	755
Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted	886	739	713
Net income available to PPL common shareowners - Basic	886	739	713
Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Diluted	0	0	42
Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Basic	0	0	42
Net income available to PPL common shareowners - Diluted	$ 886	$ 739	$ 755
Shares of Common Stock (Denominator)
Weighted-average shares - Basic EPS (in shares)	737,756	737,036	736,027
Add incremental non-participating securities:
Share-based payment awards (in shares)	2,097	1,130	875
Weighted-average shares - Diluted EPS (in shares)	739,853	738,166	736,902
Income from Continuing Operations After Income Taxes, Per Basic Share	$ 1.20	$ 1.00	$ 0.97
Basic EPS - Available to PPL common shareowners:
Net Income (Loss)	1.20	1.00	1.03
Income from Continuing Operations After Income Taxes, Per Diluted Share	1.20	1.00	0.96
Income (Loss) from Discontinued Operations (net of income taxes), Per Diluted Shares	0	0	0.06
Diluted EPS - Available to PPL common shareowners:
Net Income (in dollars per share)	$ 1.20	$ 1.00	$ 1.02
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock issued under DRIP (in shares)	202	0
Shares Issued (Numeric) [Abstract]
Income (Loss) from Continuing Operations After Income Taxes	$ 888	$ 740	$ 714
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computations of diluted EPS	0	243	93