v2.4.0.8
Goodwill (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Goodwill [Line Items]    
Goodwill $ 14,049 $ 14,211
Electrical Products [Member]
   
Goodwill [Line Items]    
Goodwill 5,787 5,874
Electrical Systems and Services [Member]
   
Goodwill [Line Items]    
Goodwill 5,486 5,531
Hydraulics [Member]
   
Goodwill [Line Items]    
Goodwill 1,383 1,404
Aerospace [Member]
   
Goodwill [Line Items]    
Goodwill 1,038 1,045
Vehicle [Member]
   
Goodwill [Line Items]    
Goodwill $ 355 $ 357