v3.26.3
Acquisitions, Development and Divestitures - Development (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Business Combination [Line Items]          
Goodwill $ 2,247   $ 2,247   $ 2,247
Revenues 2,497 $ 2,239 7,382 $ 6,768  
Net income (loss) $ 367 318 1,049 915  
Indemnification for Safari sale/leaseback     $ 25    
Joint Venture Ownership Percentage, PPL 0.51   0.51    
Joint Venture Ownership Percentage, Blackstone Infrastructure 0.49   0.49    
Louisville Gas And Electric Co [Member]          
Business Combination [Line Items]          
Goodwill $ 389   $ 389   389
Revenues 470 427 1,465 1,310  
Net income (loss) 104 [1] 83 296 [1] 244 [1]  
Kentucky Utilities Co [Member]          
Business Combination [Line Items]          
Goodwill 607   607   $ 607
Revenues 590 530 1,720 1,566  
Net income (loss) [2] 122 109 345 312  
Rhode Island Regulated          
Business Combination [Line Items]          
Revenues 530 509 1,605 1,629  
Net income (loss) 2 27 48 80  
Corporate and Other [Member]          
Business Combination [Line Items]          
Revenues 1 0 0 0  
Net income (loss) $ (50) $ (53) $ (131) $ (181)  
[1] Net income equals comprehensive income.
[2] Net income equals comprehensive income.