Annual report pursuant to Section 13 and 15(d)

REVENUE RECOGNITION Revenue Recognition (Details)

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REVENUE RECOGNITION Revenue Recognition (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disaggregation of Revenue [Line Items]      
Net operating revenues related to concentrate operations $ 18,582 $ 20,499 $ 19,894
Net operating revenues related to finished product operations 14,432 16,767 14,406
Revenues 33,014 37,266 34,300
United States      
Disaggregation of Revenue [Line Items]      
Net operating revenues related to concentrate operations 5,443 5,252 4,571
Net operating revenues related to finished product operations 5,838 6,463 6,773
Revenues 11,281 11,715 11,344
International      
Disaggregation of Revenue [Line Items]      
Net operating revenues related to concentrate operations 13,139 15,247 15,323
Net operating revenues related to finished product operations 8,594 10,304 7,633
Revenues $ 21,733 $ 25,551 $ 22,956