Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING (Narrative) (Details)

v3.4.0.3
SEGMENT REPORTING (Narrative) (Details)
3 Months Ended
Mar. 31, 2016
Facility
U.S. Iron Ore [Member]  
Segment Reporting Information [Line Items]  
Number of mines (in number of facilities) 5
Asia Pacific Iron Ore [Member]  
Segment Reporting Information [Line Items]  
Number of mines (in number of facilities) 1