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	290			286		4
Dividend paid to Caterpillar	0
Foreign currency translation, net of tax	(247)				(240)	(7)
Derivative financial instruments, net of tax	23				23
Balance at Jun. 30, 2022	3,047	745	2	3,083	(991)	208
Balance at Mar. 31, 2022	3,151	745	2	2,940	(750)	214
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	146			143		3
Foreign currency translation, net of tax	(257)				(248)	(9)
Derivative financial instruments, net of tax	7				7
Balance at Jun. 30, 2022	3,047	745	2	3,083	(991)	208
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	304			299		5
Dividend paid to Caterpillar	(75)			(75)
Foreign currency translation, net of tax	3				9	(6)
Derivative financial instruments, net of tax	0
Balance at Jun. 30, 2023	3,195	745	2	3,281	(1,038)	205
Balance at Mar. 31, 2023	3,084	745	2	3,131	(1,004)	210
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	153			150		3
Foreign currency translation, net of tax	(41)				(33)	(8)
Derivative financial instruments, net of tax	(1)				(1)
Balance at Jun. 30, 2023	$ 3,195	$ 745	$ 2	$ 3,281	$ (1,038)	$ 205