v3.25.2
Common Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended 44 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2028
Common Equity [Line Items]          
Proceeds from issuance of common stock, net $ 6 $ 6 $ 12 $ 12  
At-The-Market Offering Program 2025-2028 [Member]          
Common Equity [Line Items]          
Forward contract, total shares borrowed and sold (in shares) 2,913,023   2,913,023    
Aggregate gross sales price of common stock borrowed or sold $ 179        
Fees and commissions from issuance of common stock $ 2        
Forward contract, weighted-average forward price, net of commissions (in dollars per share) $ 60.84        
Forward contract, shares that could have settled under outstanding forward sale agreements with physical delivery (in shares) 2,913,023   2,913,023    
Forward contract, net cash proceeds upon settlement $ 177   $ 177    
Shares included in diluted earnings per share (in shares)     26,986    
At-The-Market Offering Program 2025-2028 [Member] | Forecast [Member]          
Common Equity [Line Items]          
Proceeds from issuance of common stock, net         $ 1,300