Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Profit of consolidated companies	$ 117	$ 101
Other comprehensive income (loss), net of tax:
Foreign currency translation, net of tax (expense)/benefit	80	173
Derivative financial instruments:
Gains (losses) deferred, net of tax (expense)/benefit	(12)	(1)
(Gains) losses reclassified to earnings, net of tax expense/(benefit)	14	2
Total Other comprehensive income (loss), net of tax	82	174
Comprehensive income (loss)	199	275
Less: Comprehensive income (loss) attributable to the noncontrolling interests	2	2
Comprehensive income (loss) attributable to Caterpillar Financial Services Corporation	$ 197	$ 273