Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Computation of shares used in calculating basic and diluted net income per common share

The computation of shares used in calculating basic and diluted net income per common share is as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
(In millions)	2020	2019	2020	2019
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - basic	669.8	584.8	672.6	456.3
Common stock equivalents	10.5	12.1	11.5	8.9
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - diluted	680.3	596.9	684.1	465.2