Consolidated Statements of Changes in Stockholder's Equity - USD ($) $ in Millions	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income/(loss)	Noncontrolling interests
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	544			535		9
Dividend paid to Caterpillar	(400)			(400)
Foreign currency transalation, net of tax	(481)				(481)	0
Derivative financial instruments, net of tax	0				0
Balance at Dec. 31, 2014	3,654	745	2	3,139	(364)	132
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	461			460		1
Dividend paid to Caterpillar	(600)			(600)
Foreign currency transalation, net of tax	(545)				(538)	(7)
Derivative financial instruments, net of tax	5				5
Balance at Dec. 31, 2015	$ 2,975	$ 745	$ 2	$ 2,999	$ (897)	$ 126