v2.4.0.8

Property, Plant and Equipment, Net (Tables) | 12 Months Ended
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Dec. 31, 2013
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | As of December 31, 2013 and 2012, the components of property, plant and equipment are stated at cost less accumulated depreciation as follows (in millions):
| 2013 |  | 2012 |  | Depreciable Lives
Buildings, machinery and equipment(1) | $ | 15,838 |  |  | $ | 14,774 |  |  | 3 – 47 Years
Geothermal properties | 1,265 |  |  | 1,243 |  |  | 13 – 59 Years
Other | 164 |  |  | 142 |  |  | 3 – 47 Years
| 17,267 |  |  | 16,159 |  |  |
Less: Accumulated depreciation | 4,897 |  |  | 4,390 |  |  |
| 12,370 |  |  | 11,769 |  |  |
Land | 103 |  |  | 98 |  |  |
Construction in progress(1) | 522 |  |  | 1,138 |  |  |
Property, plant and equipment, net | $ | 12,995 |  |  | $ | 13,005 |  |  |
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(1) | The change from December 31, 2012 to December 31, 2013 is primarily attributed to our Russell City and Los Esteros power plants commencing commercial operations during 2013.

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 + Details
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