XML 26 R73.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies (Details 2) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2014
ClassActions
Commercial Litigation - Ceradyne Inc.
 
Loss contingencies  
Number of purported class actions filed 4
Commercial Litigation - Ceradyne Inc. California Superior Court
 
Loss contingencies  
Number of purported class actions filed 2
Commercial Litigation - Ceradyne Inc. Delaware Chancery Court
 
Loss contingencies  
Number of purported class actions filed 2
Commercial Litigation - TransWeb Corporation
 
Loss contingencies  
Number of counts jury did not rule in favor of Transweb 1
Number of 3M patents unenforceable due to inequitable conduct 2
Potential maximum loss exposure due to judgment against 3M $ 26