Annual report pursuant to Section 13 and 15(d)

OPERATING SEGMENTS (Details)

v3.10.0.1
OPERATING SEGMENTS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Segment Reporting Information [Line Items]      
Revenues $ 31,856 $ 35,410 $ 41,863
Concentrate operations 64.00% 51.00% 40.00%
Finished products operations 36.00% 49.00% 60.00%
Sales Revenue Net Percentage 100.00% 100.00% 100.00%
Property, Plant and Equipment, Net $ 8,232 $ 8,203 $ 10,635
United States      
Segment Reporting Information [Line Items]      
Revenues 11,344 14,727 19,899
Property, Plant and Equipment, Net 4,154 4,163 6,784
International      
Segment Reporting Information [Line Items]      
Revenues 20,512 20,683 21,964
Property, Plant and Equipment, Net 4,078 4,040 3,851
Corporate      
Segment Reporting Information [Line Items]      
Revenues $ 105 $ 138 $ 132