v3.26.1
Employee Benefit Plan, Schedule, Asset Held for Investment (Details) - AES Corp Retirement Savings Plan [Domain] - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 849,629,721  
EBP, Note Receivable from Participant $ 7,905,549 $ 7,310,205
Entity Tax Identification Number 54-1163725  
EBP, Plan Number 006  
EBP, Investment, Number of Shares 2,193,279 2,303,900
Minimum    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate 3.75%  
Maximum    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate 9.50%  
Investment, Identifier [Axis]: AES Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 31,451,624  
EBP, Investment, Number of Shares 2,193,279  
Investment, Identifier [Axis]: Diversified Bond    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 12,469,159  
EBP, Investment, Number of Shares 962,126  
Investment, Identifier [Axis]: Global All Cap Equity ex US    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,152  
Investment, Identifier [Axis]: Global All Cap Equity ex US Lending    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 18,416,356  
Investment, Identifier [Axis]: Global all cap equity    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Number of Shares 62  
Investment, Identifier [Axis]: Global all cap equity lending    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Number of Shares 1,461,732  
Investment, Identifier [Axis]: Government Money Market    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 5  
EBP, Investment, Number of Shares 5  
Investment, Identifier [Axis]: International Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 10,818,307  
EBP, Investment, Number of Shares 499,230  
Investment, Identifier [Axis]: Real Asset Non-Lending    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 237,978  
EBP, Investment, Number of Shares 17,475  
Investment, Identifier [Axis]: S&P 500 Index    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 4,464  
EBP, Investment, Number of Shares 146  
Investment, Identifier [Axis]: S&P 500 Index Lending    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 175,796,433  
EBP, Investment, Number of Shares 14,564,742  
Investment, Identifier [Axis]: Self-Directed Investments    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 80,047,981  
Investment, Identifier [Axis]: Small/ Mid Cap Index    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 33,076,089  
EBP, Investment, Number of Shares 1,593,568  
Investment, Identifier [Axis]: Small/ Mid Cap Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 15,991,725  
EBP, Investment, Number of Shares 727,227  
Investment, Identifier [Axis]: Stable Value    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 7,280,927  
EBP, Investment, Number of Shares 7,280,927  
Investment, Identifier [Axis]: Stable Value Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 27,491,853  
EBP, Investment, Number of Shares 27,491,853  
Investment, Identifier [Axis]: Structured Research    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 29,030,626  
EBP, Investment, Number of Shares 288,489  
Investment, Identifier [Axis]: Target Retirement 2005    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,906,568  
EBP, Investment, Number of Shares 80,993  
Investment, Identifier [Axis]: Target Retirement 2010    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 357,562  
EBP, Investment, Number of Shares 14,172  
Investment, Identifier [Axis]: Target Retirement 2015    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 933,032  
EBP, Investment, Number of Shares 33,720  
Investment, Identifier [Axis]: Target Retirement 2020    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 6,908,846  
EBP, Investment, Number of Shares 228,770  
Investment, Identifier [Axis]: Target Retirement 2025    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 23,990,460  
EBP, Investment, Number of Shares 723,694  
Investment, Identifier [Axis]: Target Retirement 2030    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 37,119,429  
EBP, Investment, Number of Shares 1,013,915  
Investment, Identifier [Axis]: Target Retirement 2035    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 45,093,221  
EBP, Investment, Number of Shares 1,123,399  
Investment, Identifier [Axis]: Target Retirement 2040    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 53,348,938  
EBP, Investment, Number of Shares 1,238,369  
Investment, Identifier [Axis]: Target Retirement 2045    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 69,079,358  
EBP, Investment, Number of Shares 1,539,888  
Investment, Identifier [Axis]: Target Retirement 2050    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 56,042,334  
EBP, Investment, Number of Shares 1,240,698  
Investment, Identifier [Axis]: Target Retirement 2055    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 51,115,418  
EBP, Investment, Number of Shares 1,130,372  
Investment, Identifier [Axis]: Target Retirement 2060    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 29,598,799  
EBP, Investment, Number of Shares 1,023,472  
Investment, Identifier [Axis]: Target Retirement 2065    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 11,083,788  
EBP, Investment, Number of Shares 615,766  
Investment, Identifier [Axis]: US Bond Index    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 348  
EBP, Investment, Number of Shares 30  
Investment, Identifier [Axis]: US Bond Index Lending    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 13,031,392  
EBP, Investment, Number of Shares 1,239,197