Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income (Numerator) [Abstract]
Net income (loss)	$ 318	$ 214	$ 915	$ 711
Less amounts allocated to participating securities	0	1	2	2
Net Income (Loss) Available to Common Stockholders, Basic			913	709
Net income (loss) available to PPL common shareowners - Basic	318	213
Net income (loss) available to PPL common shareowners - Diluted	$ 318	$ 213	$ 913	$ 709
Shares of Common Stock (Denominator) [Abstract]
Weighted-average shares - Basic EPS (in shares)	739,525	737,773	739,167	737,678
Add incremental non-participating securities: [Abstract]
Share-based payment awards (in shares)	2,840	2,192	2,684	1,772
Forward sale agreements	263	0	95	0
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	1,662	0	801	0
Weighted-average shares - Diluted EPS (in shares)	744,290	739,965	742,747	739,450
Income (Loss) from Continuing Operations after income taxes, Diluted	$ 0.43	$ 0.29	$ 1.23	$ 0.96
Income (Loss) from Continuing Operations After Income Taxes, Basic	0.43	0.29	1.24	0.96
Basic EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	0.43	0.29	1.24	0.96
Diluted EPS - Available to PPL common shareowners: [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)	$ 0.43	$ 0.29	$ 1.23	$ 0.96
Shares Issued (Numeric) [Abstract]
Common stock issued under DRIP (in shares)	197	2	583	2
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Forward Sale Agreements, Shares	29,946	0	12,542	0
Income from continuing operations after income taxes available to PPL common shareowners - Basic and Diluted			$ 915
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computations of diluted EPS	53	0	142	0