XML 50 R104.htm IDEA: XBRL DOCUMENT v2.4.0.6
Subsequent Events (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Subsequent Event [Line Items]      
Revenues $ 18,141,000,000 $ 16,923,000,000 $ 15,443,000,000
Adjusted Pre-Tax Contribution 1,377,000,000 1,078,000,000 955,000,000
Beaver Valley [Member]
      
Subsequent Event [Line Items]      
Ownership Interest Percent To Be Sold 100.00%    
Sale price of asset group 60,000,000    
Generation Capacity (MW) 125    
Long-lived assets that may incur asset impairment expense 47,000,000    
Masinloc [Member]
      
Subsequent Event [Line Items]      
Generation Capacity (MW) 660    
Refinanced senior debt facility 500,000,000    
Expected loss on extinguishment of debt minimum 39,000,000    
Expected loss on extinguishment of debt maximum 43,000,000    
Ukraine [Member]
      
Subsequent Event [Line Items]      
Sale price of asset group 113,000,000    
Carrying amount of asset group 131,000,000    
Cumulative Translation Losses Included In Carrying Amount 34,000,000    
Expected Impairment loss minimum 20,000,000    
Expected impairment loss maximum 26,000,000    
Bulgaria [Member]
      
Subsequent Event [Line Items]      
Reduction in electricity tarrifs announced 8.00%    
Net equity of affiliate 517,000,000    
Long-Lived Assets 1,800,000,000    
Revenues 369,000,000    
Adjusted Pre-Tax Contribution $ 102,000,000    
AES Kyivoblenergo [Member]
      
Subsequent Event [Line Items]      
Ownership Interest Percent To Be Sold 89.10%    
Customers Served 881,000    
AES Rivneoblenergo [Member]
      
Subsequent Event [Line Items]      
Ownership Interest Percent To Be Sold 84.60%    
Customers Served 412,000