v3.26.1
Employee Benefit Plan, Fair Value and NAV (Details) - AES Corp Retirement Savings Plan [Domain] - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value $ 841,724,172 $ 718,056,945
EBP, Company Common Stock Price 14.34 12.87
Common Collective Trust    
EBP, Investment, Fair Value and NAV [Line Items]    
EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value 730,224,562 527,740,064
EBP, Self-Directed Brokerage Account    
EBP, Investment, Fair Value and NAV [Line Items]    
EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value 80,047,981 71,122,755
Mutual Fund    
EBP, Investment, Fair Value and NAV [Line Items]    
EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value 0 64,519,325
Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value 31,451,624 29,651,191
Money Market Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value $ 5 $ 25,023,610