v2.3.0.11
Debt (Details Textuals 1) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2010
Jun. 30, 2011
Dec. 31, 2010
Debt (Textuals) [Abstract]      
Repayment amount of remaining First Lien Credit Facility term loans   $ 1,200,000,000 $ 3,500,000,000
First Lien Credit Facility debt extinguishment costs   19,000,000  
2023 First Lien Notes deferred financing costs   22,000,000  
Repayment of Project Debt   340,000,000  
Term loan interest rate spread option Federal Funds effective rate   0.50%  
Term loan interest rate spread option Prime Rate   2.25%  
Term Loan interest rate based on LIBOR   3.25%  
Term Loan interest rate floor based on LIBOR   1.25%  
Percentage of the principal amount of the Term Loan to be paid quarterly   0.25%  
Repricing transaction premium percentage   1.00%  
Days allowed to make an offer to prepay   30  
Percentage of Term Loan amounts held by lenders   50.00%  
Term Loan deferred financing costs   14,000,000  
Term Loan debt extinguishment costs 74,000,000 5,000,000  
Write-off amount of unamortized deferred financing costs 36,000,000    
Write-off amount of debt discount 25,000,000    
NDH Project Debt prepayment premiums 13,000,000    
Corporate Revolving Facility amount   1,000,000,000  
Back-stopped letters of credit amount   83,000,000  
Repayment time for drawings under letters of credit   2  
Excess amount of asset sales requiring mandatory prepayments   $ 3,000,000