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

6 Months Ended

Jun. 30, 2015

Schedule of Components of Restricted Cash

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



	June 30, 2015						December 31, 2014
	Current		Non-Current		Total		Current		Non-Current		Total
Debt service	$	16	$	25	$	41	$	10	$	25	$	35
Rent reserve	—		—		—		4		—		4
Construction/major maintenance	50		19		69		54		17		71
Security/project/insurance	93		4		97		127		5		132
Other	3		—		3		—		2		2
Total	$	162	$	48	$	210	$	195	$	49	$	244

Schedule of Property, Plant and Equipment

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



	June 30, 2015		December 31, 2014		Depreciable Lives
Buildings, machinery and equipment	$	16,422	$	16,059	3 – 47 Years
Geothermal properties	1,320		1,294		13 – 58 Years
Other	208		203		3 – 47 Years
	17,950		17,556
Less: Accumulated depreciation	5,236		4,984
	12,714		12,572
Land	121		120
Construction in progress	312		498
Property, plant and equipment, net	$	13,147	$	13,190