v3.25.2
Equity Reclassifications Out of AOCL (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Cost of Product and Service Sold $ (2,402) $ (2,389) $ (4,887) $ (4,855)
General and Administrative Expense (49) (66) (126) (141)
Other expense (295) (84) (347) (122)
Interest expense (352) (389) (694) (746)
Gain on disposal and sale of business interests 70 1 69 44
Foreign currency transaction gains (losses) (28) 38 (38) 30
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES 39 115 17 392
Income tax benefit (expense) (167) 35 (184) 51
Income (Loss) from Equity Method Investments (22) 3 (56) (12)
Net income (loss) (150) 153 (223) 431
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION (95) 276 (49) 708
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax     (9)  
Reclassification from NCI due to share sales and repurchases     (9)  
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax     0  
Reclassification from NCI due to share sales and repurchases     0  
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Cost of Product and Service Sold 1 0 2 (1)
Interest expense (6) (31) 10 (30)
Foreign currency transaction gains (losses) 2 1 5 2
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES (3) (30) 17 (29)
Income tax benefit (expense) (6) 7 (12) 7
Income (Loss) from Equity Method Investments 0 0 0 1
INCOME FROM CONTINUING OPERATIONS (9) (23) 5 (21)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Noncontrolling Interest | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Less: Net loss attributable to noncontrolling interests and redeemable stock of subsidiaries 3 4 4 4
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax     0  
Reclassification from NCI due to share sales and repurchases     8  
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax     (9)  
Reclassification from NCI due to share sales and repurchases     (17)  
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION $ (6) $ (19) 9 $ (17)
Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax     0  
Reclassification from NCI due to share sales and repurchases     $ 0