XML 67 R60.htm IDEA: XBRL DOCUMENT v2.4.0.6
Equity (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 33 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Dec. 31, 2012
Changes In Equity Disclosure [Line Items]        
Beginning Balance $ 7,514 $ 9,729    
Net income 199 515    
Total foreign currency translation adjustment, net of income tax (35) 141    
Total pension adjustments, net of income tax 14 6    
Total change in fair value of derivatives, net of income tax 8 107    
Capital contributions from noncontrolling interests 55 6    
Distributions to noncontrolling interests (27) (14)    
Disposition of businesses 0 (37)    
Issuance and exercise of stock-based compensation benefit plans, net of income tax 14 19    
Acquisition of subsidiary shares from noncontrolling interests (1) (1)    
Sale of subsidiary shares to noncontrolling interest 0 0    
Ending Balance 7,741 10,471 7,741  
Unrealized Derivative Losses [Abstract]        
Unrealized derivative losses, beginning balance (481)      
Other comprehensive income before reclassifications (15)      
Amount reclassified from accumulated other comprehensive loss 22      
Net currrent-period other comprehensive income 7      
Unrealized Derivative Losses, ending balance (474)   (474)  
Unfunded Pension Obligations [Abstract]        
Unfunded pension obligation, beginning balance (382)      
Amount reclassified from accumulated other comprehensive loss 3      
Net current-period other comprehensive income 3      
Unfunded pension obligation, ending balance (379)   (379)  
Foreign Currency Translation Adjustment [Abstract]        
Foreign currency translation adjustment, beginning balance (2,057)      
Other comprehensive income before reclassifications (39)      
Amounts reclassified from accumulated other comprehensive loss (3)      
Net current-period other comprehensive income (42)      
Foreign currency translation adjustment, ending balance (2,099)   (2,099)  
Accumulated other comprehensive loss, beginning balance (2,920)      
Other comprehensive income before reclassifications (54)      
Amounts reclassified from accumulated other comprehensive loss 22      
Net current-period other comprehensive income (32)      
Accumulated other comprehensive loss, ending balance (2,952)   (2,952)  
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Interest expense (377) (416)    
Foreign currency transaction gains (losses) (32) (1)    
Non-regulated cost of sales 1,616 1,458    
Regulated cost of sales 1,894 2,056    
Total cost of sales 3,510 3,514    
Gross margin 755 1,072    
Gain on sale of investments 3 179    
Income from continuing operations before taxes and equity in earnings of affiliates 299 769    
Income tax expense (82) (268)    
Net equity in earnings of affiliates 4 13    
Income From Continuing Operations 221 514    
Income from continuing operations attributable to noncontrolling interests 115 173    
Net Income Loss Attributable To The AES Corporation 82 341    
Dividend        
Per-share Payments of Ordinary Dividends, Common Stock $ 0.04      
Stock Repurchase Plan [Abstract]        
Total repurchase amount authorized 680      
Acquisition of treasury stock (shares) 0   58,715,189  
Treasury Stock Value Acquired Cost Method Excluding Commissions     680  
Treasury Stock Acquired Average Cost Per Share     $ 11.58  
Stock Repurchase Program, Remaining Authorized Repurchase Amount 300      
Treasury stock, shares 65,546,914   65,546,914 66,415,984
Reclassified Out of AOCI [Member]
        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Net Income Loss Attributable To The AES Corporation (22)      
Unrealized Derivative Losses, Net [Member] | Reclassified Out of AOCI [Member]
        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Interest expense (35)      
Foreign currency transaction gains (losses) 7      
Non-regulated cost of sales (1)      
Gross margin (1)      
Income from continuing operations before taxes and equity in earnings of affiliates (29)      
Income tax expense 7      
Net equity in earnings of affiliates (2)      
Income From Continuing Operations (24)      
Income from continuing operations attributable to noncontrolling interests 2      
Net Income Loss Attributable To The AES Corporation (22)      
Amortization Of Defined Benefit Pension Actuarial Loss, Net [Member] | Reclassified Out of AOCI [Member]
        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Non-regulated cost of sales (1)      
Regulated cost of sales (20)      
Income from continuing operations before taxes and equity in earnings of affiliates (21)      
Income tax expense 7      
Income From Continuing Operations (14)      
Income from continuing operations attributable to noncontrolling interests 11      
Net Income Loss Attributable To The AES Corporation (3)      
Foreign Currency Translation Adjustment, Net [Member] | Reclassified Out of AOCI [Member]
        
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items]        
Gain on sale of investments 3      
Net Income Loss Attributable To The AES Corporation 3      
The AES Corporation Stockholders' Equity
        
Changes In Equity Disclosure [Line Items]        
Beginning Balance 4,569 5,946    
Net income 82 341    
Total foreign currency translation adjustment, net of income tax (42) 92    
Total pension adjustments, net of income tax 3 1    
Total change in fair value of derivatives, net of income tax 7 90    
Capital contributions from noncontrolling interests 0 0    
Distributions to noncontrolling interests 0 0    
Disposition of businesses 0 0    
Issuance and exercise of stock-based compensation benefit plans, net of income tax 14 19    
Acquisition of subsidiary shares from noncontrolling interests 0 0    
Sale of subsidiary shares to noncontrolling interest 0 0    
Ending Balance 4,633 6,489 4,633  
Noncontrolling Interests
        
Changes In Equity Disclosure [Line Items]        
Beginning Balance 2,945 3,783    
Net income 117 174    
Total foreign currency translation adjustment, net of income tax 7 49    
Total pension adjustments, net of income tax 11 5    
Total change in fair value of derivatives, net of income tax 1 17    
Capital contributions from noncontrolling interests 55 6    
Distributions to noncontrolling interests (27) (14)    
Disposition of businesses 0 (37)    
Issuance and exercise of stock-based compensation benefit plans, net of income tax 0 0    
Acquisition of subsidiary shares from noncontrolling interests (1) (1)    
Sale of subsidiary shares to noncontrolling interest 0 0    
Ending Balance $ 3,108 $ 3,982 $ 3,108