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, 2014	$ 3,654	$ 745	$ 2	$ 3,139	$ (364)	$ 132
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	135			133		2
Dividend paid to Caterpillar	(100)			(100)
Foreign currency translation, net of tax	(402)				(401)	(1)
Derivative financial instruments, net of tax	2				2
Balance at Mar. 31, 2015	3,289	745	2	3,172	(763)	133
Balance at Dec. 31, 2015	2,975	745	2	2,999	(897)	126
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	101			100		1
Dividend paid to Caterpillar	0			0
Foreign currency translation, net of tax	173				172	1
Derivative financial instruments, net of tax	1				1
Balance at Mar. 31, 2016	$ 3,250	$ 745	$ 2	$ 3,099	$ (724)	$ 128