XML 50 R39.htm IDEA: XBRL DOCUMENT
v3.26.1

Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2026
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 share is as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(In millions) | 2026 |  | 2025 |  | 2026 |  | 2025
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - basic | 532.6 |  |  | 550.8 |  |  | 533.4 |  |  | 556.1 |
Common stock equivalents | 1.1 |  |  | 1.9 |  |  | 1.1 |  |  | 2.6 |
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - diluted | 533.7 |  |  | 552.7 |  |  | 534.5 |  |  | 558.7 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration