v3.26.3
CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)
shares in Thousands, $ in Millions
Sep. 30, 2026
Dec. 31, 2025
Receivables, Net, Current [Abstract]    
Accounts receivable reserve for doubtful accounts $ 150 $ 133
Unbilled revenues, reserve 3 6
Reserve for accounts receivable (noncurrent) $ 3 $ 1
Equity    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock shares authorized (in shares) 1,560,000 1,560,000
Common stock shares issued (in shares) 771,515 770,978
Common stock shares outstanding (in shares) 752,558 751,041
PPL Electric Utilities Corp [Member]    
Receivables, Net, Current [Abstract]    
Accounts receivable reserve for doubtful accounts $ 47 $ 34
Unbilled revenues, reserve 2 4
Reserve for accounts receivable (noncurrent) $ 2 $ 1
Equity    
Common stock, no par value (in dollars per share) $ 0 $ 0
Common stock shares authorized (in shares) 170,000 170,000
Common stock shares issued (in shares) 66,368 66,368
Common stock shares outstanding (in shares) 66,368 66,368
Louisville Gas And Electric Co [Member]    
Receivables, Net, Current [Abstract]    
Accounts receivable reserve for doubtful accounts $ 7 $ 5
Unbilled revenues, reserve $ 0 $ 0
Equity    
Common stock, no par value (in dollars per share) $ 0 $ 0
Common stock shares authorized (in shares) 75,000 75,000
Common stock shares issued (in shares) 21,294 21,294
Common stock shares outstanding (in shares) 21,294 21,294
Kentucky Utilities Co [Member]    
Receivables, Net, Current [Abstract]    
Accounts receivable reserve for doubtful accounts $ 3 $ 4
Unbilled revenues, reserve $ 0 $ 0
Equity    
Common stock, no par value (in dollars per share) $ 0 $ 0
Common stock shares authorized (in shares) 80,000 80,000
Common stock shares issued (in shares) 37,818 37,818
Common stock shares outstanding (in shares) 37,818 37,818