Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Profit of consolidated companies	$ 144	$ 143
Other comprehensive income (loss), net of tax (Note 5):
Foreign currency translation	10	(121)
Derivative financial instruments	16	11
Total Other comprehensive income (loss), net of tax	26	(110)
Comprehensive income (loss)	170	33
Less: Comprehensive income (loss) attributable to the noncontrolling interests	3	1
Comprehensive income (loss) attributable to Caterpillar Financial Services Corporation	$ 167	$ 32