XML 61 R67.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and contingencies (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Commitments and Contingencies Disclosure [Abstract]      
Rental and leases expense incurred $ 109 $ 100 $ 114
Standard product warranty description three years coverage; an obligation to repair, replace or refund; and a maximum payment obligation tied to the price paid for our products    
Standard product warranty coverage (in years) 3 years    
Operating leases [Abstract]      
2012 102    
2013 77    
2014 55    
2015 48    
2016 36    
Thereafter 118    
Capitalized software licenses [Abstract]      
2012 73    
2013 35    
2014 31    
2015 12    
2016 0    
Thereafter 0    
Purchase commitments [Abstract]      
2012 215    
2013 97    
2014 20    
2015 4    
2016 2    
Thereafter 10    
Discontinued operation - indemnification obligation potential exposure $ 200