0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - Consolidated Statements of Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1007008 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2404401 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Interest Expense, Net (Details) link:presentationLink link:calculationLink link:definitionLink 2107102 - Disclosure - Recent Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 2108103 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 2309302 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - Revenue Recognition - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - Revenue Recognition - Contract with Customer, Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - Revenue Recognition - Revenue Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 2413407 - Disclosure - Revenue Recognition - Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 2413407 - Disclosure - Revenue Recognition - Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 2114104 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 2315303 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 2416408 - Disclosure - Acquisitions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - Acquisitions - Purchase Price Allocation (Details) link:presentationLink link:calculationLink link:definitionLink 2418410 - Disclosure - Acquisitions - Gross Carrying Amount and Weighted-Average Useful Life Allocated to Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2119105 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2320304 - Disclosure - Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2421411 - Disclosure - Intangible Assets - Schedule of Intangible Assets by Class (Details) link:presentationLink link:calculationLink link:definitionLink 2422412 - Disclosure - Intangible Assets - Schedule of Amortization Expense of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2123106 - Disclosure - Investments in Unconsolidated Affiliates link:presentationLink link:calculationLink link:definitionLink 2424413 - Disclosure - Investments in Unconsolidated Affiliates (Details) link:presentationLink link:calculationLink link:definitionLink 2125107 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2326305 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2427414 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value On a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2428415 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2129108 - Disclosure - Accounts Payable and Accrued Expenses link:presentationLink link:calculationLink link:definitionLink 2330306 - Disclosure - Accounts Payable and Accrued Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 2431416 - Disclosure - Accounts Payable and Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2132109 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2333307 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2434417 - Disclosure - Debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2435418 - Disclosure - Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2136110 - Disclosure - Redeemable Noncontrolling Interests link:presentationLink link:calculationLink link:definitionLink 2337308 - Disclosure - Redeemable Noncontrolling Interests (Tables) link:presentationLink link:calculationLink link:definitionLink 2438419 - Disclosure - Redeemable Noncontrolling Interests - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2439420 - Disclosure - Redeemable Noncontrolling Interests - Redeemable Noncontrolling Interest Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2140111 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 2341309 - Disclosure - Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2442421 - Disclosure - Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2143112 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 2344310 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 2445422 - Disclosure - Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 2446423 - Disclosure - Accumulated Other Comprehensive Loss - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2147113 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 2348311 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 2449424 - Disclosure - Share-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2450425 - Disclosure - Share-Based Compensation - Summary of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2451426 - Disclosure - Share-Based Compensation - Summary of Restricted Stock and Performance Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2152114 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2353312 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2454427 - Disclosure - Income Taxes - Income Tax Provision and Effective Income Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 2455428 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2156115 - Disclosure - Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. link:presentationLink link:calculationLink link:definitionLink 2357313 - Disclosure - Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. 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