v2.3.0.15

Variable Interest Entities And Unconsolidated Investments (Details 2) (USD $) In Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Income from uncolidated investments in power plants [Line Items] |  |  |  |
(Income) from unconsolidated investments in power plants | $ 5 | $ 1 | $ 12 | $ 14
Greenfield |  |  |  |
Income from uncolidated investments in power plants [Line Items] |  |  |  |
(Income) from unconsolidated investments in power plants | (4) |  | (5) | (7)
Whitby |  |  |  |
Income from uncolidated investments in power plants [Line Items] |  |  |  |
(Income) from unconsolidated investments in power plants | $ (1) | $ (1) | $ (7) | $ (7)

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