v3.26.1
Redeemable Stocks of Subsidiaries (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Carrying Amount $ 2,895 $ 2,895   $ 2,824  
Temporary Equity, Other Charges   (1) $ 0    
Temporary equity, Issuance of preferred shares in subsidiaries   112 0    
Reclassifications of Temporary to Permanent Equity   0 (38)    
Temporary Equity, Including Noncontrolling Interest 2,895 2,895 899 2,824 $ 938
Temporary Equity, Net Income   (1) 30    
Redeemable Preferred Stock Dividends   (39) (31)    
IPALCO Enterprises, Inc. [Member]          
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount 1,004 1,004   1,003  
AES Clean Energy Development          
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount 153 153   228  
AES Ohio          
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount 605 605   595  
AES Global Insurance          
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount 481 481   472  
Bellefield          
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount 256 256   249  
AES DevCO HoldCo          
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount 204 204   199  
Desarrollos Renovables          
Temporary Equity [Line Items]          
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount $ 192 $ 192   $ 78  
Sale of Stock, Percentage of Ownership before Transaction 49.00%        
Proceeds from sale of ownership interest $ 112        
Desarrollos Renovables | AES Pacifico          
Temporary Equity [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent 51.00% 51.00%      
AES Indiana Pike County BESS          
Temporary Equity [Line Items]          
Reclassifications of Temporary to Permanent Equity     $ 38