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Restructuring and Other Charges - Roll Forward of Restructuring Reserve (Detail) (Employee Severance, USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Employee Severance
 
Restructuring Reserve [Roll Forward]  
December 31, 2012 Restructuring Reserve $ 0
2013 Expenses 75
2013 Cash Payments (32)
Impact of Exchange Rates 1
December 31, 2013 Restructuring Reserve $ 44