v3.26.1
Condensed Statements of Common Stockholders' Equity (Unaudited) - APC - USD ($)
shares in Millions, $ in Millions
Total
Common Stock
Paid-In Capital
Retained Earnings
Alabama Power
Alabama Power
Common Stock
Alabama Power
Paid-In Capital
Alabama Power
Retained Earnings
Alabama Power
Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2024   1,098       31      
Beginning balance at Dec. 31, 2024         $ 13,088 $ 1,222 $ 7,657 $ 4,214 $ (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income         375     375  
Capital contributions from parent company         527   527    
Other comprehensive income (loss)         1       1
Cash dividends on common stock $ (791)     $ (791) (305)     (305)  
Other (5)   $ (1) (2) (1)       (1)
Ending balance (in shares) at Mar. 31, 2025   1,100       31      
Ending balance at Mar. 31, 2025         13,685 $ 1,222 8,184 4,284 (5)
Beginning balance (in shares) at Dec. 31, 2024   1,098       31      
Beginning balance at Dec. 31, 2024         13,088 $ 1,222 7,657 4,214 (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 2,214       755        
Other comprehensive income (loss)         1        
Ending balance (in shares) at Jun. 30, 2025   1,101       31      
Ending balance at Jun. 30, 2025         13,800 $ 1,222 8,222 4,360 (4)
Beginning balance (in shares) at Mar. 31, 2025   1,100       31      
Beginning balance at Mar. 31, 2025         13,685 $ 1,222 8,184 4,284 (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 880       381     381  
Capital contributions from parent company         38   38    
Other comprehensive income (loss)         0        
Cash dividends on common stock (815)     (815) (304)     (304)  
Other 6   6 1 0     (1) 1
Ending balance (in shares) at Jun. 30, 2025   1,101       31      
Ending balance at Jun. 30, 2025         13,800 $ 1,222 8,222 4,360 (4)
Beginning balance (in shares) at Dec. 31, 2025   1,120       31      
Beginning balance at Dec. 31, 2025         13,994 $ 1,222 8,263 4,512 (3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income         425     425  
Capital contributions from parent company         226   226    
Cash dividends on common stock (830)     (830) (301)     (301)  
Other (3)   (1)            
Ending balance (in shares) at Mar. 31, 2026   1,128       31      
Ending balance at Mar. 31, 2026         14,344 $ 1,222 8,489 4,636 (3)
Beginning balance (in shares) at Dec. 31, 2025   1,120       31      
Beginning balance at Dec. 31, 2025         13,994 $ 1,222 8,263 4,512 (3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 2,531       862        
Other comprehensive income (loss)         (2)        
Ending balance (in shares) at Jun. 30, 2026   1,151       31      
Ending balance at Jun. 30, 2026         14,531 $ 1,222 8,542 4,772 (5)
Beginning balance (in shares) at Mar. 31, 2026   1,128       31      
Beginning balance at Mar. 31, 2026         14,344 $ 1,222 8,489 4,636 (3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 1,174       437     437  
Capital contributions from parent company         53   53    
Other comprehensive income (loss)         (2)       (2)
Cash dividends on common stock (858)     (858) (300)     (300)  
Other $ 6   $ 5 $ 2 (1)     (1)  
Ending balance (in shares) at Jun. 30, 2026   1,151       31      
Ending balance at Jun. 30, 2026         $ 14,531 $ 1,222 $ 8,542 $ 4,772 $ (5)