v3.20.2

Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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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 |  |  |  |  |  |

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