Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Profit of consolidated companies	$ 151	$ 144
Other comprehensive income (loss), net of tax (Note 5):
Foreign currency translation	44	10
Derivative financial instruments	1	16
Total Other comprehensive income (loss), net of tax	45	26
Comprehensive income (loss)	196	170
Less: Comprehensive income (loss) attributable to noncontrolling interests	4	3
Comprehensive income (loss) attributable to Caterpillar Financial Services Corporation	$ 192	$ 167