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INCOME TAXES - UNCERTAIN TAX POSITIONS (DETAILS)
BRL in Millions, ARS in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2015
BRL
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2015
ARS
Dec. 31, 2015
BRL
Dec. 31, 2015
USD ($)
Income Tax Examination              
Uncertain tax positions, non-current     $ 81       $ 63
Uncertain tax positions, current     2       1
Interest and penalty (expense) benefit   $ 1 16 $ 10      
Accrued interest and penalties     26       26
Reconciliation of Unrecognized Tax Benefits              
Balance at the beginning of the period   72 151 104      
Additions based on tax positions related to the current year   6 9 5      
Additions based on acquisitions   10   17      
Additions based on tax positions related to prior years   1 16 48      
Reductions for tax positions of prior years   (14) (12) (1)      
Settlement or clarification from tax authorities   (6) (79)        
Expiration of statute of limitations   (5) (1) (21)      
Foreign currency translation   (13) (12) (1)      
Balance at the end of the period   51 72 151      
Unrecognized tax benefits, recognized by the end of 2015             10
Cash income tax payments   271 $ 303 $ 156      
Brazil | Income tax examination years 2008 to 2012              
Reconciliation of Unrecognized Tax Benefits              
Balance at the end of the period BRL 23 $ 6          
Total proposed adjustments           BRL 3,494 895
Argentina | Income tax examination 2006 to 2009              
Reconciliation of Unrecognized Tax Benefits              
Total proposed adjustments         ARS 1,381   105
Accrued interest         ARS 3,089   $ 237