COMMITMENTS AND GUARANTEES (Other and Community Development Programs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Commitments [Line Items]
Total cost of sales	$ 13,105	$ 13,445	$ 11,980
Community Development Programs | PT-FI
Other Commitments [Line Items]
Total cost of sales	$ 28	$ 55	$ 44
Percentage of annual revenue committed for the development of the local people in the area of operations	1.00%