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PROPERTY, PLANT, EQUIPMENT AND MINING DEVELOPMENT COSTS, NET | 12 Months Ended
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Dec. 31, 2014
Property, Plant and Equipment, Net [Abstract] |
Property, Plant, Equipment and Mining Development Costs, Net | PROPERTY, PLANT, EQUIPMENT AND MINING DEVELOPMENT COSTS, NET The components of net property, plant, equipment and mining development costs follow:
| December 31,
| 2014 |  | 2013
Proven and probable mineral reserves | $ | 4,651 |  |  | $ | 4,651 |
VBPP | 1,042 |  |  | 1,044 |
Mining development and other | 4,712 |  |  | 4,335 |
Buildings and infrastructure | 5,100 |  |  | 4,334 |
Machinery and equipment | 11,251 |  |  | 10,379 |
Mobile equipment | 3,926 |  |  | 3,903 |
Construction in progress | 6,802 |  |  | 5,603 |
Property, plant, equipment and mining development costs | 37,484 |  |  | 34,249 |
Accumulated depreciation, depletion and amortization | (11,264 | ) |  | (10,207 | )
Property, plant, equipment and mining development costs, net | $ | 26,220 |  |  | $ | 24,042 |
FCX recorded $2.2 billion for VBPP in connection with the FMC acquisition in 2007 and transferred $2 million to proven and probable mineral reserves during 2014, $22 million during 2013 and $762 million prior to 2013. Cumulative impairments of VBPP total $482 million, which were primarily recorded in 2008. Capitalized interest, which primarily related to FCX's mining operations' capital projects, totaled $148 million in 2014, $105 million in 2013 and $81 million in 2012.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + 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 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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