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Variable Interest Entities and Unconsolidated Investments in Power Plants (Tables)
 9 Months Ended
Sep. 30, 2016
Variable Interest Entities and Unconsolidated Investments [Abstract]  
Schedule of equity method investments
At September 30, 2016 and December 31, 2015, our equity method investments included on our Consolidated Condensed Balance Sheets were comprised of the following (in millions):
 
 
Ownership Interest as of
September 30, 2016
 
September 30, 2016
 
December 31, 2015
Greenfield LP
50%
 
$
70

 
$
65

Whitby
50%
 
10

 
14

Total investments in power plants
 
 
$
80

 
$
79
Income (loss) from unconsolidated investments in power plants
The following table sets forth details of our (income) from unconsolidated investments in power plants for the periods indicated (in millions):
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
 
2016
 
2015
 
2016
 
2015
Greenfield LP
 
$
(3
)
 
$
(3
)
 
$
(8
)
 
$
(9
)
Whitby
 
(3
)
 
(3
)
 
(8
)
 
(9
)
Total
 
$
(6
)
 
$
(6
)
 
$
(16
)
 
$
(18
)