| Submission | Aug. 02, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0000798354 |
| Registrant Name | FISERV, INC. |
| Registration File Number | 333-277241 |
| Form Type | S-3 |
| Submission Type | 424B5 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings | Aug. 02, 2024 USD ($) shares | |
| Offering: 1 | ||
| Offering: | ||
| Fee Previously Paid | false | |
| Rule 457(r) | true | [1] |
| Security Type | Debt | |
| Security Class Title | 4.750% Senior Notes due 2030 | |
| Amount Registered | shares | 850,000,000 | |
| Proposed Maximum Offering Price per Unit | 0.99771 | |
| Maximum Aggregate Offering Price | $ 848,053,500 | |
| Fee Rate | 0.01476% | |
| Amount of Registration Fee | $ 125,172.7 | |
| Offering Note | (1) The prospectus supplement to which this Exhibit is attached is a final prospectus for the related offering. The maximum aggregate amount of that offering is $1,750,000,000. | |
| Offering: 2 | ||
| Offering: | ||
| Fee Previously Paid | true | |
| Rule 457(r) | true | [1] |
| Security Type | Debt | |
| Security Class Title | 5.150% Senior Notes due 2034 | |
| Amount Registered | shares | 900,000,000 | |
| Proposed Maximum Offering Price per Unit | 0.99814 | |
| Maximum Aggregate Offering Price | $ 898,326,000 | |
| Fee Rate | 0.01476% | |
| Amount of Registration Fee | $ 132,592.92 | |
| Offering Note | (1) The prospectus supplement to which this Exhibit is attached is a final prospectus for the related offering. The maximum aggregate amount of that offering is $1,750,000,000. | |
| [1]The prospectus supplement to which this Exhibit is attached is a final prospectus for the related offering. The maximum aggregate amount of that offering is $1,750,000,000. | ||
| Fees Summary | Aug. 02, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 1,746,379,500 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 257,765.61 |
| Total Offset Amount | 0 |
| Net Fee | $ 257,765.61 |
