Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income (Numerator) [Abstract]
Net income (loss)	$ 214	$ 230	$ 711	$ 627
Less amounts allocated to participating securities	1	0	2	1
Net Income (Loss) Available to Common Stockholders, Basic			709	626
Net income (loss) available to PPL common shareowners - Basic	213	230
Net income (loss) available to PPL common shareowners - Diluted	$ 213	$ 230	$ 709	$ 626
Shares of Common Stock (Denominator) [Abstract]
Weighted-average shares - Basic EPS (in shares)	737,773	737,107	737,678	737,005
Add incremental non-participating securities: [Abstract]
Share-based payment awards (in shares)	2,192	1,077	1,772	1,016
Weighted-average shares - Diluted EPS (in shares)	739,965	738,184	739,450	738,021
Income (Loss) from Continuing Operations after income taxes, Diluted	$ 0.29	$ 0.31	$ 0.96	$ 0.85
Income (Loss) from Continuing Operations After Income Taxes, Basic	0.29	0.31	0.96	0.85
Basic EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	0.29	0.31	0.96	0.85
Diluted EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	$ 0.29	$ 0.31	$ 0.96	$ 0.85
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income from continuing operations after income taxes available to PPL common shareowners - Basic and Diluted			$ 711
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computations of diluted EPS	0	179	0	324