v2.4.0.8
Goodwill and Other Intangibles - Goodwill Activity by Segment (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Goodwill [Roll Forward]    
Goodwill, Beginning Balance $ 12,134 $ 12,155
Acquisitions 291  
Divestitures (45)  
Other (79) [1] (21) [1]
Goodwill, Ending Balance 12,301 12,134
Pharmaceutical [Member]
   
Goodwill [Roll Forward]    
Goodwill, Beginning Balance 10,086 10,107
Acquisitions 103  
Divestitures (45)  
Other (79) [1] (21) [1]
Goodwill, Ending Balance 10,065 10,086
All Other [Member]
   
Goodwill [Roll Forward]    
Goodwill, Beginning Balance 2,048 2,048
Acquisitions 188  
Divestitures 0  
Other 0 [1] 0 [1]
Goodwill, Ending Balance $ 2,236 $ 2,048
[1] Other includes cumulative translation adjustments on goodwill balances and certain other adjustments.