Condensed Consolidated Statements of Comprehensive Earnings - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 149	$ 190
Other comprehensive earnings, before tax:
Foreign currency translation adjustments	6	14
Minimum pension liability adjustment	(4)	0
Other comprehensive earnings (loss), before tax:	2	14
Provision for income tax expense (benefit) related to items of other comprehensive earnings	(1)	0
Other comprehensive earnings (loss), net of tax	3	14
Comprehensive earnings	152	204
Net (earnings) loss attributable to noncontrolling interest	(1)	(8)
Other comprehensive (earnings) loss attributable to noncontrolling interest	0	0
Comprehensive earnings attributable to FIS common stockholders	$ 151	$ 196

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