|
DEBT (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2013
|
Jan. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|---|
| Debt Issued | |||
| Long term debt including non-recourse debt and current potion | $ 4,672 | $ 4,251 | |
|
Liquidity facility
|
|||
| Debt Issued | |||
| Credit facility, borrowings outstanding | 0 | 0 | |
|
Liquidity facility | Previous agreement
|
|||
| Debt Issued | |||
| Maximum borrowing capacity | 526 | ||
|
Liquidity facility | As adjusted
|
|||
| Debt Issued | |||
| Maximum borrowing capacity | 600 | ||
|
Commercial paper program
|
|||
| Debt Issued | |||
| Maximum borrowing capacity | 600 | ||
| Credit facility, borrowings outstanding | 0 | 0 | |
|
Level 2
|
|||
| Debt Issued | |||
| Long-term debt including current portion and non-recourse debt, fair value | 4,750 | 4,322 | |
|
Level 3
|
|||
| Debt Issued | |||
| Long-term debt including current portion and non-recourse debt, fair value | $ 236 | $ 259 |