v3.26.1
Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - Southern - USD ($)
shares in Millions, $ in Millions
Total
Common Stock
Treasury
Paid-In Capital
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2024   1,098          
Beginning balance (in shares) at Dec. 31, 2024     (1)        
Beginning balance at Dec. 31, 2024 $ 36,674 $ 5,446 $ (59) $ 14,149 $ 13,750 $ (78) $ 3,466
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 1,270       1,334   (64)
Other comprehensive income 3         3  
Stock issued (in shares)   2          
Stock issued 85 $ 7   78      
Stock-based compensation 5     5      
Cash dividends on common stock (791)       (791)    
Capital contributions from noncontrolling interests 19           19
Distributions to noncontrolling interests (37)           (37)
Other (5)   $ (2) (1) (2)    
Ending balance (in shares) at Mar. 31, 2025   1,100          
Ending balance (in shares) at Mar. 31, 2025     (1)        
Ending balance at Mar. 31, 2025 37,223 $ 5,453 $ (61) 14,231 14,291 (75) 3,384
Beginning balance (in shares) at Dec. 31, 2024   1,098          
Beginning balance (in shares) at Dec. 31, 2024     (1)        
Beginning balance at Dec. 31, 2024 36,674 $ 5,446 $ (59) 14,149 13,750 (78) 3,466
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 2,123            
Other comprehensive income 7            
Ending balance (in shares) at Jun. 30, 2025   1,101          
Ending balance (in shares) at Jun. 30, 2025     (1)        
Ending balance at Jun. 30, 2025 37,342 $ 5,458 $ (62) 14,332 14,357 (71) 3,328
Beginning balance (in shares) at Mar. 31, 2025   1,100          
Beginning balance (in shares) at Mar. 31, 2025     (1)        
Beginning balance at Mar. 31, 2025 37,223 $ 5,453 $ (61) 14,231 14,291 (75) 3,384
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 853       880   (27)
Other comprehensive income 4         4  
Stock issued (in shares)   1          
Stock issued 89 $ 5   84      
Stock-based compensation 11     11      
Cash dividends on common stock (815)       (815)    
Capital contributions from noncontrolling interests 4           4
Distributions to noncontrolling interests (33)           (33)
Other 6   $ (1) 6 1    
Ending balance (in shares) at Jun. 30, 2025   1,101          
Ending balance (in shares) at Jun. 30, 2025     (1)        
Ending balance at Jun. 30, 2025 37,342 $ 5,458 $ (62) 14,332 14,357 (71) 3,328
Beginning balance (in shares) at Dec. 31, 2025   1,120          
Beginning balance (in shares) at Dec. 31, 2025     (1)        
Beginning balance at Dec. 31, 2025 38,867 $ 5,554 $ (59) 15,740 14,856 (75) 2,851
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 1,338       1,356   (18)
Other comprehensive income 2         2  
Stock issued (in shares)   8          
Stock issued 589 $ 34   555      
Stock-based compensation (9)     (9)      
Cash dividends on common stock (830)       (830)    
Capital contributions from noncontrolling interests 4           4
Distributions to noncontrolling interests (46)           (46)
Other (3)   $ (1) (1)     (1)
Ending balance (in shares) at Mar. 31, 2026   1,128          
Ending balance (in shares) at Mar. 31, 2026     (1)        
Ending balance at Mar. 31, 2026 39,912 $ 5,588 $ (60) 16,285 15,382 (73) 2,790
Beginning balance (in shares) at Dec. 31, 2025   1,120          
Beginning balance (in shares) at Dec. 31, 2025     (1)        
Beginning balance at Dec. 31, 2025 38,867 $ 5,554 $ (59) 15,740 14,856 (75) 2,851
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 2,527            
Other comprehensive income (3)            
Ending balance (in shares) at Jun. 30, 2026   1,151          
Ending balance (in shares) at Jun. 30, 2026     (1)        
Ending balance at Jun. 30, 2026 42,342 $ 11 $ (61) 23,998 15,700 (78) 2,772
Beginning balance (in shares) at Mar. 31, 2026   1,128          
Beginning balance (in shares) at Mar. 31, 2026     (1)        
Beginning balance at Mar. 31, 2026 39,912 $ 5,588 $ (60) 16,285 15,382 (73) 2,790
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 1,188       1,174   14
Other comprehensive income (5)         (5)  
Change in par value 0 $ (5,577)   5,577      
Stock issued (in shares)   23          
Stock issued 2,116     2,116      
Stock-based compensation 15     15      
Cash dividends on common stock (858)       (858)    
Distributions to noncontrolling interests (32)           (32)
Other 6   $ (1) 5 2    
Ending balance (in shares) at Jun. 30, 2026   1,151          
Ending balance (in shares) at Jun. 30, 2026     (1)        
Ending balance at Jun. 30, 2026 $ 42,342 $ 11 $ (61) $ 23,998 $ 15,700 $ (78) $ 2,772