v3.26.3
Nature of Operations (Details)
$ / shares in Units, $ in Millions
1 Months Ended 9 Months Ended
Jul. 15, 2026
USD ($)
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2026
Segment
shares
May 15, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
shares
Segment Reporting [Line Items]          
Number of operating segment | Segment     3    
Number of reportable segment | Segment     3    
Common stock, shares outstanding | shares   880,000,000 880,000,000   879,000,000
Customer rate credits $ 2,250        
Customer rate credits additional shareholder funding   $ 90      
NextEra Energy Merger Agreement          
Segment Reporting [Line Items]          
Cash to be received under agreements in exchange of shares       $ 360  
Common stock, shares outstanding | shares       0.8138  
Dividends per share | $ / shares       $ 0.6675  
Termination fee payable       $ 2,240  
Termination fee receivable       6,520  
Termination fee receivable upon termination due to specified conditions       $ 4,830  
Customer assistance program fund   100      
Contribution to workforce development fund   100      
Proposed amount for annual supplier program   $ 1,000      
Virginia Electric and Power Company          
Segment Reporting [Line Items]          
Number of operating segment | Segment     1    
Number of reportable segment | Segment     1    
Common stock, shares outstanding | shares   379,927 379,927   373,881
Virginia Electric and Power Company | NextEra Energy Merger Agreement          
Segment Reporting [Line Items]          
Customer rate credits 1,780        
Increase in charitable commitments $ 10