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CHARGES FOR RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS - Changes in accrued severance related to restructuring (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]        
Accrued severance as of December 31, 2013     $ 2  
Charges 6 0 23 0
Payments     (9)  
Accrued severance as of June 30, 2014 $ 16   $ 16