Basis of Presentation and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2015

Schedule of components of restricted cash

The table below represents the components of our restricted cash as of September 30, 2015 and December 31, 2014 (in millions):



	September 30, 2015						December 31, 2014
	Current		Non-Current		Total		Current		Non-Current		Total
Debt service	$	39	$	7	$	46	$	10	$	25	$	35
Rent reserve	—		—		—		4		—		4
Construction/major maintenance	47		15		62		54		17		71
Security/project/insurance	159		5		164		127		5		132
Other	1		2		3		—		2		2
Total	$	246	$	29	$	275	$	195	$	49	$	244

Schedule of property, plant and equipment

Property, Plant and Equipment, Net — At September 30, 2015 and December 31, 2014, the components of property, plant and equipment are stated at cost less accumulated depreciation as follows (in millions):



	September 30, 2015		December 31, 2014		Depreciable Lives
Buildings, machinery and equipment	$	16,204	$	16,059	3 – 47 Years
Geothermal properties	1,315		1,294		13 – 58 Years
Other	209		203		3 – 47 Years
	17,728		17,556
Less: Accumulated depreciation	5,245		4,984
	12,483		12,572
Land	120		120
Construction in progress	381		498
Property, plant and equipment, net	$	12,984	$	13,190