v3.25.2
Redeemable Stocks of Subsidiaries (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2025
Apr. 04, 2025
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
Temporary Equity [Line Items]                    
Redeemable Noncontrolling Interest, Equity, Carrying Amount     $ 2,179     $ 2,179   $ 938    
Temporary Equity, Interest in Subsidiary Earnings     168   $ 45 168 $ 71      
Temporary Equity, Stock Issued During Period, Value, New Issues     687   14 687 88      
Temporary equity, Issuance of preferred shares in subsidiaries     440   0 440 0      
Reclassifications of Temporary to Permanent Equity     (18)   (670) (56) (670)      
Redeemable Preferred Stock Dividends     (10)   (11) (41) (25)      
Temporary Equity, Adjustments to redemption value of redeemable stock of subsidiaries     10   (6) 10 0      
Temporary Equity, Including Noncontrolling Interest     2,179 $ 899 901 2,179 901 938 $ 1,502 $ 1,464
Temporary Equity, Net Income     3   (10) 33 (99)      
Temporary Equity, Adjustments to redemption value of redeemable stock of subsidiaries     10   (6) 10 0      
Other Comprehensive Income (Loss)                    
Temporary Equity [Line Items]                    
Temporary Equity, Other Charges     0   $ 37 0 72      
IPALCO Enterprises, Inc. [Member]                    
Temporary Equity [Line Items]                    
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount     958     958   835    
AES Clean Energy Development                    
Temporary Equity [Line Items]                    
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount     181     181   65    
Reclassifications of Temporary to Permanent Equity             563      
AES Indiana Pike County BESS                    
Temporary Equity [Line Items]                    
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount     0     0   38    
Reclassifications of Temporary to Permanent Equity       $ 38            
AES Ohio                    
Temporary Equity [Line Items]                    
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount     584     584   0    
Temporary Equity, Stock Issued During Period, Value, New Issues   $ 538                
Sale of Stock, Percentage of Ownership before Transaction   30.00%                
Adjustments to Additional Paid in Capital, Other   $ 188                
Proceeds from sale of ownership interest   $ 544                
AES AGIC Holdings                    
Temporary Equity [Line Items]                    
Sale of Stock, Percentage of Ownership before Transaction 18.00%                  
Incentive Distribution, Distribution $ 146                  
Cash Available for Distributions 199                  
AES Global Insurance                    
Temporary Equity [Line Items]                    
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount     456     456   $ 0    
Proceeds from Sales of Business, Affiliate and Productive Assets $ 450                  
Sale of Stock, Percentage of Ownership before Transaction 17.50%                  
Temporary Equity, Adjustments to redemption value of redeemable stock of subsidiaries     10              
Temporary Equity, Adjustments to redemption value of redeemable stock of subsidiaries     $ 10              
AES Global Insurance and AGIC, Combined                    
Temporary Equity [Line Items]                    
Sale of Stock, Percentage of Ownership before Transaction 32.40%                  
AES Clean Energy Subsidiary                    
Temporary Equity [Line Items]                    
Temporary Equity, Stock Issued During Period, Value, New Issues           149 100      
Reclassifications of Temporary to Permanent Equity           $ 18 $ 107