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

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Schedule of components of restricted cash

The table below represents the components of our restricted cash as of June 30, 2020 and December 31, 2019 (in millions):

	June 30, 2020						December 31, 2019
	Current		Non-Current		Total		Current		Non-Current		Total
Debt service(1)	$	55	$	8	$	63	$	58	$	8	$	66
Construction/major maintenance(2)	35		7		42		28		6		34
Security/project/insurance(3)	130		—		130		209		31		240
Other	5		1		6		4		1		5
Total	$	225	$	16	$	241	$	299	$	46	$	345

Schedule of property, plant and equipment

Property, Plant and Equipment, Net — At June 30, 2020 and December 31, 2019, the components of property, plant and equipment are stated at cost less accumulated depreciation as follows (in millions):

	June 30, 2020		December 31, 2019		Depreciable Lives
Buildings, machinery and equipment	$	16,488	$	16,510	1.5	–	50	Years
Geothermal properties	1,595		1,553		13	–	58	Years
Other	282		291		3	–	50	Years
	18,365		18,354
Less: Accumulated depreciation	6,907		6,851
	11,458		11,503
Land	128		128
Construction in progress	351		332
Property, plant and equipment, net	$	11,937	$	11,963