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ACCOUNTING POLICIES (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Minimum
Dec. 31, 2013
Maximum
Customer promotion costs        
Expected useful life of product     3 years 5 years
Receivables        
Certain receivables allowances including allowances for doubtful accounts $ 57 $ 71    
Unbilled revenue related to Installation and Other Services $ 24 $ 18