Consolidated Statements of Changes in Shareholder'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, 2022	$ 2,963	$ 745	$ 2	$ 3,109	$ (1,047)	$ 154
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	151			149		2
Dividend paid to Caterpillar	(75)			(75)
Foreign currency translation, net of tax	44				42	2
Derivative financial instruments, net of tax	1				1
Balance at Mar. 31, 2023	3,084	745	2	3,183	(1,004)	158
Balance at Dec. 31, 2023	3,170	745	2	3,327	(978)	74
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	170			169		1
Dividend paid to Caterpillar	0
Foreign currency translation, net of tax	(121)				(121)
Derivative financial instruments, net of tax	(2)				(2)
Balance at Mar. 31, 2024	$ 3,217	$ 745	$ 2	$ 3,496	$ (1,101)	$ 75