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LEASES (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Operating Leases, Future Minimum Payments Due [Abstract]      
Minimum rental commitments for non-cancelable operating leases, 2013 $ 167    
Minimum rental commitments for non-cancelable operating leases, 2014 152    
Minimum rental commitments for non-cancelable operating leases, 2015 130    
Minimum rental commitments for non-cancelable operating leases, 2016 123    
Minimum rental commitments for non-cancelable operating leases, 2017 76    
Minimum rental commitments for non-cancelable operating leases, Later years 108    
Total minimum rental commitments 756    
Operating Leases, Rent Expense, Net [Abstract]      
Operating lease expense $ 142 $ 136 $ 145