Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income (Numerator) [Abstract]
Net income (loss)	$ 414	$ 307
Less amounts allocated to participating securities	1	0
Net Income (Loss) Available to Common Stockholders, Basic	413	307
Net income (loss) available to PPL common shareowners - Diluted	$ 413	$ 307
Shares of Common Stock (Denominator) [Abstract]
Weighted-average shares - Basic EPS (in shares)	738,691	737,512
Add incremental non-participating securities: [Abstract]
Share-based payment awards (in shares)	2,709	1,308
Weighted-average shares - Diluted EPS (in shares)	741,400	738,820
Income (Loss) from Continuing Operations after income taxes, Diluted	$ 0.56	$ 0.42
Income (Loss) from Continuing Operations After Income Taxes, Basic	0.56	0.42
Basic EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	0.56	0.42
Diluted EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	$ 0.56	$ 0.42
Shares Issued (Numeric) [Abstract]
Common stock issued under DRIP (in shares)	200	0
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Forward Sale Agreements, Shares	2,033	0
Income from continuing operations after income taxes available to PPL common shareowners - Basic and Diluted	$ 414
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computations of diluted EPS	175	0