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	239			237		2
Dividend paid to Caterpillar	(250)			(250)
Foreign currency translation, net of tax	(266)				(267)	1
Derivative financial instruments, net of tax	3				3
Balance at Jun. 30, 2015	3,380	745	2	3,126	(628)	135
Balance at Dec. 31, 2015	2,975	745	2	2,999	(897)	126
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Profit of consolidated companies	205			202		3
Dividend paid to Caterpillar	0			0
Foreign currency translation, net of tax	105				107	(2)
Derivative financial instruments, net of tax	1				1
Available-for-sale securities, net of tax	(2)				(2)
Balance at Jun. 30, 2016	$ 3,284	$ 745	$ 2	$ 3,201	$ (791)	$ 127