Goodwill (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill	$ 14,450	$ 14,495
Electrical Products [Member]
Goodwill [Line Items]
Goodwill	7,153	7,189
Electrical Systems and Services [Member]
Goodwill [Line Items]
Goodwill	4,508	4,517
Hydraulics [Member]
Goodwill [Line Items]
Goodwill	1,384	1,385
Aerospace [Member]
Goodwill [Line Items]
Goodwill	1,048	1,048
Vehicle [Member]
Goodwill [Line Items]
Goodwill	$ 357	$ 356