|
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 | |||||||||||||||||||