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Quarterly Financial Data (Unaudited) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Quarterly Financial Information Disclosure [Line Items]        
Operating Revenues   $ 9,042 $ 8,462 $ 8,312
Operating income   $ 2,129 $ 1,740 $ 1,630
Net income (loss) available to PPL common shareowners: [Abstract]        
Net Income (Loss) Available to PPL Common , Per Basic shares   $ 1.60 $ 1.20 $ 1.00
Net Income (Loss) Available to PPL Common Shareowners, Per Diluted Shares   1.59 1.20 1.00
Dividends declared per share of common stock (in dollars per share) $ 0.2725 $ 1.09 $ 1.03 $ 0.96
PPL Electric Utilities Corp [Member]        
Quarterly Financial Information Disclosure [Line Items]        
Operating Revenues   $ 3,113 $ 2,876 $ 3,008
Operating income   $ 1,043 $ 918 $ 871