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, 2020	$ 3,491	$ 745	$ 2	$ 3,142	$ (595)	$ 197
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	392			383		9
Dividend paid to Caterpillar	(350)			(350)
Foreign currency translation, net of tax	(185)				(185)
Derivative financial instruments, net of tax	21				21
Balance at Sep. 30, 2021	3,369	745	2	3,175	(759)	206
Balance at Jun. 30, 2021	3,393	745	2	3,074	(633)	205
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	104			101		3
Foreign currency translation, net of tax	(137)				(135)	(2)
Derivative financial instruments, net of tax	9				9
Balance at Sep. 30, 2021	3,369	745	2	3,175	(759)	206
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	423			417		6
Dividend paid to Caterpillar	0
Foreign currency translation, net of tax	(543)				(528)	(15)
Derivative financial instruments, net of tax	18				18
Balance at Sep. 30, 2022	2,879	745	2	3,214	(1,284)	202
Balance at Jun. 30, 2022	3,047	745	2	3,083	(991)	208
Increase (Decrease) in Shareholder's Equity [Roll Forward]
Profit of consolidated companies	133			131		2
Foreign currency translation, net of tax	(296)				(288)	(8)
Derivative financial instruments, net of tax	(5)				(5)
Balance at Sep. 30, 2022	$ 2,879	$ 745	$ 2	$ 3,214	$ (1,284)	$ 202