Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Profit of consolidated companies	$ 98	$ 133	$ 402	$ 423
Other comprehensive income (loss), net of tax (Note 5):
Foreign currency translation	(102)	(296)	(99)	(543)
Derivative financial instruments	(4)	(5)	(4)	18
Total Other comprehensive income (loss), net of tax	(106)	(301)	(103)	(525)
Comprehensive income (loss)	(8)	(168)	299	(102)
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	(6)	(1)	(9)
Comprehensive income (loss) attributable to Caterpillar Financial Services Corporation	$ (8)	$ (162)	$ 300	$ (93)