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

3 Months Ended

Mar. 31, 2017

Schedule of components of restricted cash

The table below represents the components of our restricted cash as of March 31, 2017 and December 31, 2016 (in millions):



	March 31, 2017						December 31, 2016
	Current		Non-Current		Total		Current		Non-Current		Total
Debt service	$	12	$	7	$	19	$	11	$	8	$	19
Construction/major maintenance	48		6		54		45		6		51
Security/project/insurance	99		—		99		114		—		114
Other	3		2		5		3		1		4
Total	$	162	$	15	$	177	$	173	$	15	$	188

Schedule of property, plant and equipment

Property, Plant and Equipment, Net — At March 31, 2017 and December 31, 2016, the components of property, plant and equipment are stated at cost less accumulated depreciation as follows (in millions):



	March 31, 2017		December 31, 2016		Depreciable Lives
Buildings, machinery and equipment	$	16,481	$	16,468	3	–	46	Years
Geothermal properties	1,460		1,377		13	–	58	Years
Other	237		259		3	–	46	Years
	18,178		18,104
Less: Accumulated depreciation	5,975		5,865
	12,203		12,239
Land	116		116
Construction in progress	690		658
Property, plant and equipment, net	$	13,009	$	13,013

Schedule of Goodwill

Goodwill — The change in goodwill during the three months ended March 31, 2017 was as follows (in millions):



	West			Texas		East			Total
Goodwill at December 31, 2016	$	68		$	31	$	88		$	187
Acquisition of North American Power	—			—		49			49
Calpine Solutions purchase price allocation adjustment	(1		)	—		(2		)	(3		)
Goodwill at March 31, 2017	$	67		$	31	$	135		$	233