Debt (Details Textuals 2) (USD $) In Millions, unless otherwise specified | 9 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2011 | Dec. 31, 2010 | Sep. 30, 2011
Term Loan New | Sep. 30, 2011
Russell City Project | Sep. 30, 2011
Los Esteros Project | Mar. 02, 2011
Los Esteros Project | Dec. 31, 2010
Los Esteros Project | |||||
| Debt Instrument [Line Items] | |||||||||||
| Debt Instrument, Face Amount | $ 360 | $ 845 | $ 373 | ||||||||
| Term Loan deferred financing costs | 14 | 5 | 26 | 10 | |||||||
| Payments of Debt Issuance Costs | 22 | ||||||||||
| Power generation capacity (in Megawatts) | 11,372 | 13,553 | 619 | 308 | 188 | ||||||
| Construction Loan Facility | 700 | 305 | |||||||||
| Project Letter of Credit Facility | 77 | 38 | |||||||||
| Debt Service Letter of Credit Facility | 68 | 30 | |||||||||
| Term Loan Period | 10 | ||||||||||
| Term loan interest rate added to LIBOR | 2.25% | 2.25% | |||||||||
| Amount Drawn Under Construction Loan | 161 | 63 | |||||||||
| Letters of credit issued | $ 524 | [1] | $ 588 | [1] | $ 61 | $ 30 | |||||
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