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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2024
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Fiserv, Inc. Schedule II — Valuation and Qualifying Accounts (In millions)
|  |  |  | Additions |  |  |  |
Description |  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | Deductions |  | Balance at End of Period
Year ended December 31, 2024 |  |  |  |  |  |  |  |  |  |
Deferred tax asset valuation allowance |  | $ | 467 |  |  | 15 |  |  | (20) |  |  | (58) |  |  | $ | 404 |
Year ended December 31, 2023 |  |  |  |  |  |  |  |  |  |
Deferred tax asset valuation allowance |  | $ | 620 |  |  | 2 |  |  | (125) |  | (1) | (30) |  |  | $ | 467 |
Year ended December 31, 2022 |  |  |  |  |  |  |  |  |  |
Deferred tax asset valuation allowance |  | $ | 697 |  |  | 33 |  |  | (41) |  |  | (69) |  |  | $ | 620 |
(1)The decrease in the deferred tax asset valuation allowance is primarily due to subsidiary restructurings.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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