Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 225	$ 227	$ 673	$ 901
Other comprehensive (loss) income:
Fair market value adjustment on cash flow hedges, net of income tax benefit of $1 million, $2 million, $46 million and $4 million	(4)	(6)	(134)	(11)
Foreign currency translation	(186)	(8)	(184)	(14)
Total other comprehensive loss	(186)	(13)	(312)	(25)
Comprehensive income	39	214	361	876
Less: Comprehensive income attributable to noncontrolling interests	27	0	27	0
Comprehensive income attributable to Fiserv, Inc.	12	214	334	876
Cost of Services
Other comprehensive (loss) income:
Reclassification adjustment for net realized (gains) losses on cash flow hedges	0	0	0	(3)
Interest Expense
Other comprehensive (loss) income:
Reclassification adjustment for net realized (gains) losses on cash flow hedges	$ 4	$ 1	$ 6	$ 3

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