Consolidated Statements of Changes in Stockholder's Equity (USD $) In Millions, unless otherwise specified	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income/(loss)	Noncontrolling interests
Balance at Dec. 31, 2010	$ 3,786	$ 745	$ 2	$ 2,739	$ 217	$ 83
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	389			374		15
Dividend paid to Caterpillar	(600)			(600)
Foreign currency transalation, net of tax	(105)				(109)	4
Change in ownership for noncontrolling interests	(7)					(7)
Derivative financial instruments, net of tax	8				8
Balance at Dec. 31, 2011	3,471	745	2	2,513	116	95
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	439			428		11
Dividend paid to Caterpillar	(250)			(250)
Foreign currency transalation, net of tax	62				62	0
Derivative financial instruments, net of tax	(2)				(2)
Balance at Dec. 31, 2012	3,720	745	2	2,691	176	106
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	527			513		14
Dividend paid to Caterpillar	(200)			(200)
Foreign currency transalation, net of tax	(59)				(62)	3
Derivative financial instruments, net of tax	3				3
Balance at Dec. 31, 2013	$ 3,991	$ 745	$ 2	$ 3,004	$ 117	$ 123