v2.4.0.8
DEBT (Details) (USD $)
In Millions, unless otherwise specified
0 Months Ended 6 Months Ended 0 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended
Jun. 30, 2013
Dec. 31, 2012
May 30, 2013
Syndicated revolving credit agreement
Jun. 30, 2013
Syndicated revolving credit agreement
Applicable Margin
May 30, 2013
Syndicated revolving credit agreement
Minimum
May 30, 2013
Syndicated revolving credit agreement
Minimum
Applicable Margin
May 30, 2013
Syndicated revolving credit agreement
Maximum
May 30, 2013
Syndicated revolving credit agreement
Maximum
Applicable Margin
Dec. 31, 2013
Syndicated revolving credit agreement
Forecast
Jun. 24, 2013
Three-year revolving credit agreement
Jun. 30, 2013
Three-year revolving credit agreement
Applicable Margin
Jun. 24, 2013
Three-year revolving credit agreement
Minimum
Applicable Margin
Jun. 24, 2013
Three-year revolving credit agreement
Maximum
Applicable Margin
Jun. 30, 2013
Liquidity facility
Jan. 31, 2013
Liquidity facility
Dec. 31, 2012
Liquidity facility
Jun. 30, 2013
Commercial paper program
Jan. 31, 2013
Commercial paper program
Dec. 31, 2012
Commercial paper program
Jun. 30, 2013
Level 2
Dec. 31, 2012
Level 2
Jun. 30, 2013
Level 3
Dec. 31, 2012
Level 3
Debt Issued                                              
Total Commitment     $ 665             $ 200         $ 600     $ 600          
Term of credit agreement     5 years             3 years                          
Initial commitment     368                                        
Reference rate for variable rate basis       LIBOR             LIBOR                        
Debt instrument, interest rate added to variable base rate (as a percent)           1.05%   1.675%       0.90% 1.55%                    
Commitment fee (as a percent)         0.125%   0.275%     0.25%                          
Maximum borrowing capacity, before increase                             526                
Credit facility, borrowings outstanding                 300         0   0 550   0        
Long term debt including non-recourse debt and current potion 4,392 4,251                                          
Long-term debt including current portion and non-recourse debt, fair value                                       $ 4,382 $ 4,322 $ 240 $ 259