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	568			563		5
Dividend paid to Caterpillar	(425)			(345)		(80)
Foreign currency translation, net of tax	67				72	(5)
Derivative financial instruments, net of tax	(3)				(3)
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	599			598		1
Dividend paid to Caterpillar	(625)			(625)
Foreign currency translation, net of tax	(260)				(260)
Derivative financial instruments, net of tax	6				6
Balance at Dec. 31, 2024	2,890	745	2	3,300	(1,232)	75
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	541			540		1
Dividend paid to Caterpillar	(500)			(488)		(12)
Foreign currency translation, net of tax	330				328	2
Derivative financial instruments, net of tax	(34)				(34)
Balance at Dec. 31, 2025	$ 3,227	$ 745	$ 2	$ 3,352	$ (938)	$ 66