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	$ 3,781	$ 745	$ 2	$ 2,734	$ 217	$ 83
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	393			378		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	3,470	745	2	2,512	116	95
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	443			432		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	3,723	745	2	2,694	176	106
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	544			530		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	$ 4,011	$ 745	$ 2	$ 3,024	$ 117	$ 123