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

3 Months Ended

Mar. 31, 2015

Schedule of Components of Restricted Cash

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



	March 31, 2015						December 31, 2014
	Current		Non-Current		Total		Current		Non-Current		Total
Debt service	$	12	$	24	$	36	$	10	$	25	$	35
Rent reserve	2		—		2		4		—		4
Construction/major maintenance	60		17		77		54		17		71
Security/project/insurance	88		4		92		127		5		132
Other	—		2		2		—		2		2
Total	$	162	$	47	$	209	$	195	$	49	$	244

Schedule of Property, Plant and Equipment

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



	March 31, 2015		December 31, 2014		Depreciable Lives
Buildings, machinery and equipment	$	16,092	$	16,059	3 – 47 Years
Geothermal properties	1,314		1,294		13 – 59 Years
Other	205		203		3 – 47 Years
	17,611		17,556
Less: Accumulated depreciation	5,122		4,984
	12,489		12,572
Land	119		120
Construction in progress	570		498
Property, plant and equipment, net	$	13,178	$	13,190