Annual report pursuant to Section 13 and 15(d)

OPERATING SEGMENTS (Details)

v3.20.4
OPERATING SEGMENTS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]      
Revenues $ 33,014 $ 37,266 $ 34,300
Concentrate operations 56.00% 55.00% 58.00%
Finished products operations 44.00% 45.00% 42.00%
Sales Revenue Net Percentage 100.00% 100.00% 100.00%
Property, Plant and Equipment, Net $ 10,777 $ 10,838 $ 9,598
United States      
Segment Reporting Information [Line Items]      
Revenues 11,281 11,715 11,344
Property, Plant and Equipment, Net 3,988 4,062 4,154
International      
Segment Reporting Information [Line Items]      
Revenues 21,733 25,551 22,956
Property, Plant and Equipment, Net $ 6,789 $ 6,776 $ 5,444