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, 2021	$ 2,981	$ 745	$ 2	$ 2,797	$ (774)	$ 211
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	144			143		1
Dividend paid to Caterpillar	0
Foreign currency translation, net of tax	10				8	2
Derivative financial instruments, net of tax	16				16
Balance at Mar. 31, 2022	3,151	745	2	2,940	(750)	214
Balance at Dec. 31, 2022	2,963	745	2	3,057	(1,047)	206
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	$ 3,131	$ (1,004)	$ 210