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2012-2014 Restructuring Program - Additional Information (Detail) (2012-2014 Restructuring Program, USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]        
Restructuring and related activities, authorized amount     $ 1,500,000,000  
Restructuring and related cost, expected cost 925,000,000      
Restructuring and related cost, cost incurred 506,000,000      
Restructuring charges 42,000,000 40,000,000    
Cash spent 28,000,000 4,000,000    
Non-cash asset write-downs and other non-cash settlements 13,000,000 9,000,000    
Net restructuring liability 69,000,000     68,000,000
Implementation Costs 24,000,000 4,000,000    
Selling, general and administrative expenses
        
Restructuring Cost and Reserve [Line Items]        
Implementation Costs $ 24,000,000 $ 4,000,000