XML 30 R76.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Future non-cancelable commitments related to various operating and capital leases      
2012 $ 71    
2013 55    
2014 47    
2015 41    
2016 33    
Thereafter 292    
Total 539    
Expenditures related to leases 60 52 55
Other commitments      
2012 34    
2013 21    
2014 19    
2015 15    
2016 11    
Thereafter 47    
Total 147    
Leases and other commitments      
2012 105    
2013 76    
2014 66    
2015 56    
2016 44    
Thereafter 339    
Total $ 686