Variable Interest Entities and Unconsolidated Investments (Tables)

12 Months Ended

Dec. 31, 2014

Variable Interest Entities and Unconsolidated Investments [Abstract]

Schedule of Condensed Financial Statements

Aggregated summarized financial data for our unconsolidated subsidiaries is set forth below (in millions):

Condensed Combined Balance Sheets

of Our Unconsolidated Subsidiaries

December 31, 2014 and 2013

	2014		2013
Assets:
Cash and cash equivalents	$	58	$	57
Current assets	28		25
Property, plant and equipment, net	532		588
Other assets	2		2
Total assets	$	620	$	672
Liabilities:
Current maturities of long-term debt	$	21	$	23
Current liabilities	28		44
Long-term debt	321		372
Long-term derivative liabilities	51		35
Total liabilities	421		474
Member's interest	199		198
Total liabilities and member's interest	$	620	$	672

Condensed Combined Statements of Operations

of Our Unconsolidated Subsidiaries

For the Years Ended December 31, 2014, 2013 and 2012

	2014		2013			2012
Revenues	$	239	$	207		$	247
Operating expenses	168		128			171
Income from operations	71		79			76
Interest expense, net of interest income	23		24			27
Other (income) expense, net	—		(3		)	(2		)
Net income	$	48	$	58		$	51

Schedule of Equity Method Investments

At December 31, 2014 and 2013, our equity method investments included on our Consolidated Balance Sheets were comprised of the following (in millions):

	Ownership Interest as of December 31, 2014	2014		2013
Greenfield LP	50%	$	78	$	76
Whitby	50%	17		17
Total investments in power plants		$	95	$	93

Income (Loss) From Unconsolidated Investments in Power Plants and Distributions

Our equity interest in the net income from Greenfield LP and Whitby for the years ended December 31, 2014, 2013 and 2012, is recorded in (income) from unconsolidated investments in power plants. The following table sets forth details of our (income) from unconsolidated investments in power plants and distributions for the years indicated (in millions):

	(Income) from Unconsolidated Investments in Power Plants									Distributions
	2014			2013			2012			2014		2013		2012
Greenfield LP	$	(10	)	$	(16	)	$	(17	)	$	—	$	18	$	22
Whitby	(15		)	(14		)	(11		)	13		9		7
Total	$	(25	)	$	(30	)	$	(28	)	$	13	$	27	$	29