XML 35 R9.htm IDEA: XBRL DOCUMENT
v3.20.1

Inventories, Including Long-Term Mill and Leach Stockpiles (Unaudited) | 3 Months Ended
--- | ---
Mar. 31, 2020
Inventory Disclosure [Abstract] |
Inventories, Including Long-Term Mill and Leach Stockpiles | INVENTORIES, INCLUDING LONG-TERM MILL AND LEACH STOCKPILES The components of inventories follow (in millions):
| March 31, 2020 |  | December 31, 2019 |
Current inventories: |  |  |  |
Total materials and supplies, neta | $ | 1,614 |  |  | $ | 1,649 |  |
Mill stockpiles | $ | 158 |  |  | $ | 220 |  |
Leach stockpiles | 948 |  |  | 923 |  |
Total current mill and leach stockpiles | $ | 1,106 |  |  | $ | 1,143 |  |
Raw materials (primarily concentrate) | $ | 209 |  |  | $ | 318 |  |
Work-in-process | 106 |  |  | 124 |  |
Finished goods | 819 |  |  | 839 |  |
Total product | $ | 1,134 |  |  | $ | 1,281 |  |
Long-term inventories: |  |  |  |
Mill stockpiles | $ | 193 |  |  | $ | 181 |  |
Leach stockpiles | 1,079 |  |  | 1,244 |  |
Total long-term mill and leach stockpilesb | $ | 1,272 |  |  | $ | 1,425 |  |
a. | Materials and supplies inventory was net of obsolescence reserves totaling $25 million at March 31, 2020, and $24 million at December 31, 2019.
b. | Estimated metals in stockpiles not expected to be recovered within the next 12 months.
FCX recorded charges to adjust metals inventory carrying values to net realizable values because of lower market prices totaling $222 million in first-quarter 2020, associated with copper inventories ($205 million) and molybdenum inventories ($17 million); and $57 million in first-quarter 2019, associated with cobalt inventories (refer to Note 9 for metals inventory adjustments by business segment).

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration