v3.25.2
Consolidated Statement of Stockholders' Equity - USD ($)
$ in Millions
Total
Common Stock
Other Paid-in Capital:
Retained Earnings:
Derivative Financial Instruments
Deferred Retirement Benefit Costs
Accumulated Other Comprehensive Loss:
Total Shareholders’ Equity
Noncontrolling Interests:
Union Electric Company
Union Electric Company
Common Stock
Union Electric Company
Other Paid-in Capital:
Union Electric Company
Preferred Stock
Union Electric Company
Retained Earnings:
Ameren Illinois Company
Ameren Illinois Company
Common Stock
Ameren Illinois Company
Other Paid-in Capital:
Ameren Illinois Company
Preferred Stock
Ameren Illinois Company
Retained Earnings:
Beginning of period at Dec. 31, 2023     $ 7,216 $ 4,136 $ 0 $ (6)     $ 129     $ 2,725   $ 3,647         $ 3,756
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan     21                                
Stock-based compensation activity     9                                
Capital contributions from parent                   $ 350   350              
Net income $ 522                 155         $ 340        
Net Income Available to Common Shareholder       519                     339        
Dividends on common stock       (356)                   0         (25)
Dividends on preferred stock                           (2)         (1)
Change in derivative financial instruments         0                            
Change in deferred retirement benefit costs (3)         (3)                          
Net income attributable to noncontrolling interest holders $ (3)               3                    
Dividends paid to noncontrolling interest holders                 (3)                    
Common stock shares outstanding at beginning of period at Dec. 31, 2023 266,300,000                                    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan 300,000                                    
Shares issued for stock-based compensation 200,000                                    
Common stock shares outstanding at end of period at Jun. 30, 2024 266,800,000                                    
End of period at Jun. 30, 2024 $ 11,668 $ 3 7,246 4,299 0 (9) $ (9)   129   $ 511 3,075 $ 80 3,800   $ 0 $ 3,020 $ 49 4,070
Shareholders' equity, end of year at Jun. 30, 2024               $ 11,539   7,466         7,139        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Dividends per common share $ 1.34                                    
Beginning of period at Mar. 31, 2024     7,228 4,219 0 (7)     129     2,725   3,672         3,971
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan     11                                
Stock-based compensation activity     7                                
Capital contributions from parent                       350              
Net income $ 260                 129         125        
Net Income Available to Common Shareholder       258                     124        
Dividends on common stock       (178)                   0         (25)
Dividends on preferred stock                           (1)         (1)
Change in derivative financial instruments         0                            
Change in deferred retirement benefit costs (2)         (2)                          
Net income attributable to noncontrolling interest holders $ (2)               2                    
Dividends paid to noncontrolling interest holders                 (2)                    
Common stock shares outstanding at beginning of period at Mar. 31, 2024 266,600,000                                    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan 200,000                                    
Shares issued for stock-based compensation 0                                    
Common stock shares outstanding at end of period at Jun. 30, 2024 266,800,000                                    
End of period at Jun. 30, 2024 $ 11,668 3 7,246 4,299 0 (9) (9)   129   511 3,075 80 3,800   0 3,020 49 4,070
Shareholders' equity, end of year at Jun. 30, 2024               11,539   $ 7,466         $ 7,139        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Dividends per common share $ 0.67                                    
Beginning of period at Dec. 31, 2024 $ 12,243   7,513 4,604 3 (9)     129     3,201   4,206         4,266
Common stock shares outstanding at beginning of period at Dec. 31, 2024 269,900,000                 102,100,000         25,500,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued for stock-based compensation 300,000                                    
Common stock shares outstanding at end of period at Mar. 31, 2025 270,300,000                                    
End of period at Mar. 31, 2025     7,524 4,702 (1) (9)     129     3,201   4,198         4,427
Beginning of period at Dec. 31, 2024 $ 12,243   7,513 4,604 3 (9)     129     3,201   4,206         4,266
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan     25                                
Stock-based compensation activity     3                                
Capital contributions from parent                   $ 0   0              
Net income 567                 $ 194         $ 374        
Net Income Available to Common Shareholder       564                     $ 373        
Dividends on common stock       (384)                   (50)         (75)
Dividends on preferred stock                           (2)         (1)
Change in derivative financial instruments         (6)                            
Change in deferred retirement benefit costs (2)         (2)                          
Net income attributable to noncontrolling interest holders $ (3)               3                    
Dividends paid to noncontrolling interest holders                 (3)                    
Common stock shares outstanding at beginning of period at Dec. 31, 2024 269,900,000                 102,100,000         25,500,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan 200,000                                    
Shares issued for stock-based compensation 300,000                                    
Common stock shares outstanding at end of period at Jun. 30, 2025 270,400,000                 102,100,000         25,500,000        
End of period at Jun. 30, 2025 $ 12,443 3 7,541 4,784 (3) (11) (14)   129   511 3,201 80 4,348   0 3,056 49 4,564
Shareholders' equity, end of year at Jun. 30, 2025 $ 12,314             12,314   $ 8,140         $ 7,669        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Dividends per common share $ 1.42                                    
Beginning of period at Mar. 31, 2025     7,524 4,702 (1) (9)     129     3,201   4,198         4,427
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan     10                                
Stock-based compensation activity     7                                
Capital contributions from parent                       0              
Net income $ 277                 $ 151         138        
Net Income Available to Common Shareholder       275                     $ 137        
Dividends on common stock       (193)                   0         0
Dividends on preferred stock                           (1)         (1)
Change in derivative financial instruments         (2)                            
Change in deferred retirement benefit costs (2)         (2)                          
Net income attributable to noncontrolling interest holders $ (2)               2                    
Dividends paid to noncontrolling interest holders                 (2)                    
Common stock shares outstanding at beginning of period at Mar. 31, 2025 270,300,000                                    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Shares issued under the DRPlus and 401(k) plan 100,000                                    
Shares issued for stock-based compensation 0                                    
Common stock shares outstanding at end of period at Jun. 30, 2025 270,400,000                 102,100,000         25,500,000        
End of period at Jun. 30, 2025 $ 12,443 $ 3 $ 7,541 $ 4,784 $ (3) $ (11) $ (14)   $ 129   $ 511 $ 3,201 $ 80 $ 4,348   $ 0 $ 3,056 $ 49 $ 4,564
Shareholders' equity, end of year at Jun. 30, 2025 $ 12,314             $ 12,314   $ 8,140         $ 7,669        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                      
Dividends per common share $ 0.71