v3.20.2

Basis of Presentation and Summary of Significant Accounting Policies - Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Property, Plant and Equipment [Line Items] |  |
Buildings, machinery and equipment | $ 16,488 | $ 16,510
Geothermal properties | 1,595 | 1,553
Other | 282 | 291
Property, plant and equipment, gross | 18,365 | 18,354
Less: Accumulated depreciation | 6,907 | 6,851
Property, plant and equipment, gross, less accumulated depreciation, depletion and amortization | 11,458 | 11,503
Land | 128 | 128
Construction in progress | 351 | 332
Property, plant and equipment, net | $ 11,937 | $ 11,963
Minimum [Member] | Building, Machinery and Equipment, Gross |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, estimated useful lives | 1 year 6 months |
Minimum [Member] | Geothermal Properties, Gross |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, estimated useful lives | 13 years |
Minimum [Member] | Property, Plant and Equipment, Other Types |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, estimated useful lives | 3 years |
Maximum | Building, Machinery and Equipment, Gross |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, estimated useful lives | 50 years |
Maximum | Geothermal Properties, Gross |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, estimated useful lives | 58 years |
Maximum | Property, Plant and Equipment, Other Types |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, estimated useful lives | 50 years |

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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