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

6 Months Ended

Jun. 30, 2017

Schedule of components of restricted cash

The table below represents the components of our restricted cash as of June 30, 2017 and December 31, 2016 (in millions):



	June 30, 2017						December 31, 2016
	Current		Non-Current		Total		Current		Non-Current		Total
Debt service	$	18	$	8	$	26	$	11	$	8	$	19
Construction/major maintenance	21		19		40		45		6		51
Security/project/insurance	63		—		63		114		—		114
Other	3		1		4		3		1		4
Total	$	105	$	28	$	133	$	173	$	15	$	188

Schedule of property, plant and equipment

Property, Plant and Equipment, Net — At June 30, 2017 and December 31, 2016, the components of property, plant and equipment are stated at cost less accumulated depreciation as follows (in millions):



	June 30, 2017		December 31, 2016		Depreciable Lives
Buildings, machinery and equipment	$	16,511	$	16,468	3	–	46	Years
Geothermal properties	1,468		1,377		13	–	58	Years
Other	232		259		3	–	46	Years
	18,211		18,104
Less: Accumulated depreciation	6,123		5,865
	12,088		12,239
Land	117		116
Construction in progress	735		658
Property, plant and equipment, net	$	12,940	$	13,013

Schedule of Goodwill

Goodwill — We have not recorded any impairment losses associated with our goodwill. The change in goodwill by segment during the six months ended June 30, 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
Purchase price allocation adjustments⁽¹⁾	(4		)	(1		)	11		6
Goodwill at June 30, 2017	$	64		$	30		$	148	$	242

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(1)	The purchase price allocation adjustment in the East segment represents adjustments of $16 million for North American Power and $(5) million for Calpine Solutions.