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Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc.
 3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc.
The computation of shares used in calculating basic and diluted net income per share is as follows:
 Three Months Ended
March 31,
(In millions)20252024
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - basic
561.3 590.9 
Common stock equivalents3.4 3.9 
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - diluted
564.7 594.8 
For the three months ended March 31, 2025 and 2024, restricted stock units for 688 thousand and 38 thousand shares, respectively, were excluded from the calculation of weighted-average outstanding shares - diluted because their impact was anti-dilutive.