Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income (Numerator) [Abstract]
Net income (loss)	$ 190	$ 112	$ 497	$ 397
Less amounts allocated to participating securities	1	0	1	1
Net Income (Loss) Available to Common Stockholders, Basic			496	396
Net income (loss) available to PPL common shareowners - Basic	189	112
Net income (loss) available to PPL common shareowners - Diluted	$ 189	$ 112	$ 496	$ 396
Shares of Common Stock (Denominator) [Abstract]
Weighted-average shares - Basic EPS (in shares)	737,748	737,075	737,630	736,953
Add incremental non-participating securities: [Abstract]
Share-based payment awards (in shares)	1,815	1,102	1,561	985
Weighted-average shares - Diluted EPS (in shares)	739,563	738,177	739,191	737,938
Income (Loss) from Continuing Operations after income taxes, Diluted	$ 0.26	$ 0.15	$ 0.67	$ 0.54
Income (Loss) from Continuing Operations After Income Taxes, Basic	0.26	0.15	0.67	0.54
Basic EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	0.26	0.15	0.67	0.54
Diluted EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	$ 0.26	$ 0.15	$ 0.67	$ 0.54
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			$ 497
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computations of diluted EPS	0	258	0	396