v3.25.2
Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Mar. 31, 2021
Changes In Equity Disclosure [Line Items]                  
Preferred Stock, Convertible, Shares Issuable             40,531,845    
Preferred Stock, Convertible, Conversion Price                 $ 31.70
Sales to Noncontrolling Interests         $ 1,138 $ 323      
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax $ (5)   $ 1   $ 4 1      
Treasury Stock, Common, Shares 147,788,192       147,788,192   148,635,718    
Reclassifications of Temporary to Permanent Equity $ (18)   (670)   $ (56) $ (670)      
AOCI Attributable to Parent [Member]                  
Changes In Equity Disclosure [Line Items]                  
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax 5 $ (1) 0            
Fair Value Adjustment 0 [1]   0 $ 0          
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings   0              
Accumulated Defined Benefit Plans Adjustment [Member]                  
Changes In Equity Disclosure [Line Items]                  
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax         $ 4        
Noncontrolling Interest [Member]                  
Changes In Equity Disclosure [Line Items]                  
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax 0 [2] 0 (1)            
Fair Value Adjustment 0 [1],[2]   0 $ 0 [1]          
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings [2]   0              
Reclassifications of Temporary to Permanent Equity $ 18 [2] $ 38 $ 670 [2]            
Treasury Stock, Common                  
Changes In Equity Disclosure [Line Items]                  
Treasury Stock, Common, Shares 147,800,000 147,800,000 148,800,000 148,900,000 147,800,000 148,800,000 148,600,000 149,400,000  
Additional Paid-in Capital [Member]                  
Changes In Equity Disclosure [Line Items]                  
Conversion of Stock, Amount Issued       $ 838          
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax $ 0 $ 0 $ 0            
Fair Value Adjustment $ 0 [1]   6 (6) [1]          
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings   $ 0 $ (7) $ (116)          
[1] Adjustment to record the redeemable stock of AES Global Insurance and a tax equity partnership at AES Clean Energy Development at redemption value.
[2] Excludes redeemable stock of subsidiaries. See Note 11—Redeemable Stock of Subsidiaries.
(2) Related to the reclassification of AES Clean Energy Development common stock, certain tax equity partnerships at AES Clean Energy, and the Pike County BESS tax equity partnership from Redeemable stock of subsidiaries to Noncontrolling interests. See Note 11—Redeemable Stock of Subsidiaries.