COMMITMENTS AND CONTINGENCIES (Details) BRL in Millions, $ in Millions		3 Months Ended		9 Months Ended	12 Months Ended	36 Months Ended
	Dec. 31, 2016 USD ($)	Mar. 31, 2016 BRL	Dec. 31, 2013 BRL	Dec. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 tax_assessment
Loss Contingencies [Line Items]
Income tax examination, number of tax assessments | tax_assessment						2
BRAZIL | Assessment of Sales and Import Taxes
Loss Contingencies [Line Items]
Income tax examination, estimate of possible loss	$ 34		BRL 109
BRAZIL | Proposed Additional Assessment of Sales and Import Taxes
Loss Contingencies [Line Items]
Income tax examination, estimate of possible loss	$ 56	BRL 181
Income and Social Contribution Taxes, Interest and Penalties | BRAZIL
Loss Contingencies [Line Items]
Amount of assessment related to income and social contribution taxes interest and penalties received					$ 100
Loss contingency accrual adjustment				$ 0