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Other Intangible Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended 0 Months Ended
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Acquired Technologies [Member]
Dec. 31, 2013
Capitalized Software [Member]
Dec. 31, 2013
Veredus [Member]
Jan. 13, 2014
Subsequent Event [Member]
Veredus [Member]
Finite-Lived Intangible Assets [Line Items]                
Amortization expense on capitalized software costs   $ 17 $ 38 $ 33        
Impairment loss of intangible assets 18 18     17 1    
Equity investments, Ownership percentage             67.00%  
Re-classification to AHFS             11  
Sale of equity interest, percentage               50.00%
Amortization expense   $ 72 $ 177 $ 211