v3.19.1

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

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of components of restricted cash

The table below represents the components of our restricted cash as of March 31, 2019 and December 31, 2018 (in millions):

	March 31, 2019												December 31, 2018
	Current				Non-Current				Total				Current				Non-Current				Total
Debt service	$	17			$	7			$	24			$	13			$	8			$	21
Construction/major maintenance	24				29				53				23				24				47
Security/project/insurance	203				31				234				120				—				120
Other	21				2				23				11				2				13
Total	$	265			$	69			$	334			$	167			$	34			$	201

Schedule of property, plant and equipment

Property, Plant and Equipment, Net — At March 31, 2019 and December 31, 2018, the components of property, plant and equipment are stated at cost less accumulated depreciation as follows (in millions):

	March 31, 2019				December 31, 2018				Depreciable Lives
Buildings, machinery and equipment	$	16,538			$	16,400			1.5	–	50	Years
Geothermal properties	1,503				1,501				13	–	58	Years
Other	264				286				3	–	50	Years
	18,305				18,187
Less: Accumulated depreciation	6,764				6,832
	11,541				11,355
Land	121				121
Construction in progress	386				966
Property, plant and equipment, net	$	12,048			$	12,442

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

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Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

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