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

6 Months Ended

Jun. 30, 2016

Schedule of components of restricted cash

The table below represents the components of our restricted cash as of June 30, 2016 and December 31, 2015 (in millions):



	June 30, 2016						December 31, 2015
	Current		Non-Current		Total		Current		Non-Current		Total
Debt service	$	34	$	8	$	42	$	28	$	8	$	36
Construction/major maintenance	36		9		45		50		2		52
Security/project/insurance	75		2		77		136		—		136
Other	3		1		4		2		2		4
Total	$	148	$	20	$	168	$	216	$	12	$	228

Schedule of property, plant and equipment

Property, Plant and Equipment, Net — At June 30, 2016 and December 31, 2015, the components of property, plant and equipment are stated at cost less accumulated depreciation as follows (in millions):



	June 30, 2016		December 31, 2015		Depreciable Lives
Buildings, machinery and equipment	$	16,712	$	16,294	3 – 46 Years
Geothermal properties	1,368		1,319		13 – 58 Years
Other	230		208		3 – 46 Years
	18,310		17,821
Less: Accumulated depreciation	5,652		5,377
	12,658		12,444
Land	121		120
Construction in progress	562		448
Property, plant and equipment, net	$	13,341	$	13,012