v3.25.2
Financial Statement Presentation New Accounting Pronouncement Adopted (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
agreement
Jun. 30, 2025
USD ($)
agreement
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Cash and Cash Equivalent $ 1,350 $ 1,350     $ 1,524    
Restricted Cash and Cash Equivalent, Current 763 763     437    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 2,201 2,201 $ 2,148   2,039   $ 1,990
Accounts Receivable, Allowance for Credit Loss, Current 54 54     52    
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)   29 14        
Accounts Receivable, Allowance for Credit Loss, Writeoff   (25) (11)        
Financing Receivable, Allowance for Credit Loss, Recovery   (1) (1)        
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation   (1) (3)        
Accounts and Financing Receivable, Allowance for Credit Loss 98 98 65   96   64
Preferred Stock, Value, Issued           $ 838  
Additional Paid in Capital $ 6,070 $ 6,070     5,913    
Obligations Number Of Agreements 143 143          
Guarantor Obligations, Maximum Exposure, Undiscounted $ 5,248 $ 5,248          
Supplier Finance Program, Obligation $ 621 621     917    
Investment Tax Credit   354 103        
Proceeds Investment Tax Credits   309 103        
Variable Interest Entity, Terms of Arrangements 1.7 billion            
Debt service reserves and other deposits $ 88 88     78    
Receivables from Investment Tax Credits   45          
Deferred Income Taxes and Tax Credits   75          
Income Tax Benefit              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Investment Tax Credit   142 51 $ 26      
Contribution From Noncontrolling Interest              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Investment Tax Credit   $ 212 $ 26        
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Jordan (IPP1 & IPP4)              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Disposal Group Not Discontinued Operation Ownership Interest Sold     26.00%     26.00%  
Secured Debt [Member] | Standby Letters of Credit [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Obligations Number Of Agreements | agreement 7 7          
Guarantor Obligations, Maximum Exposure, Undiscounted $ 310 $ 310          
Accounts Payable and Accrued Liabilities              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Supplier Finance Program, Obligation 393 393     616    
Accounts Payable and Accrued Liabilities | Minimum [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Supplier Finance Program, Obligation 1 1     1    
Accounts Payable and Accrued Liabilities | Maximum [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Supplier Finance Program, Obligation 47 47     69    
Accounts Receivable              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Accounts Receivable, Allowance for Credit Loss, Current     $ 22        
AES Argentina [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Accounts Receivable, Allowance for Credit Loss, Current 4 4 7   5   7
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)   0 0        
Accounts Receivable, Allowance for Credit Loss, Writeoff   0 0        
Financing Receivable, Allowance for Credit Loss, Recovery   0 (1)        
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation   (1) (1)        
Other Entity [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Accounts Receivable, Allowance for Credit Loss, Current $ 40 40 36   $ 39   $ 42
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)   2 4        
Accounts Receivable, Allowance for Credit Loss, Writeoff   0 (7)        
Financing Receivable, Allowance for Credit Loss, Recovery   (1) (1)        
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation   $ 0 (2)        
AES Brasil [Domain]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Selling Expense     $ 13