v2.4.0.6
Supplemental Financial Information - Revenue Composition (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Principal Transaction Revenue [Line Items]      
Goods $ 4,346 $ 4,170 $ 4,392
Patents and licenses 12 24 10
Revenue $ 4,358 $ 4,194 $ 4,402