Corporate and Other
Corporate Reconciling Items And Eliminations [Member]
Corporate Reconciling Items And Eliminations [Member]
Integration activities charges
Business Combination, Integration Related Costs
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Net income attributable to Fiserv, Inc.
Net Income (Loss) Attributable to Parent
Entity Emerging Growth Company
Entity Emerging Growth Company
Pre-tax gain on sale
Equity Method Investment, Realized Gain (Loss) on Disposal
Income Statement Location [Axis]
Income Statement Location [Axis]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Entity Address, Address Line One
Entity Address, Address Line One
Other intangible assets, net
Other Intangible Assets [Member]
Contract costs
Increase (Decrease) in Contract with Customer, Asset
Consideration from sale of business
Disposal Group, Including Discontinued Operation, Consideration
Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Total fair value of cash flow hedge derivatives
Cash Flow Hedges Derivative Instruments at Fair Value, Net
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Abstract]
Contract with customer, asset and liabilities
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Payments of acquisition-related contingent consideration
Payment for Contingent Consideration Liability, Financing Activities
Additional paid-in capital
Additional Paid in Capital, Common Stock
Entity Filer Category
Entity Filer Category
Restructuring Type [Axis]
Restructuring Type [Axis]
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Other long-term assets
Other Assets, Noncurrent
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Investment, Name [Axis]
Investment, Name [Axis]
Segments [Axis]
Segments [Axis]
Proceeds from sale of entire ownership interest
Proceeds from Sale of Equity Method Investments
Net change in cash, cash equivalents and restricted cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-Lived Intangible Assets [Line Items]
Share-based compensation
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Non-cash impairment charge
Business Exit Costs
First Data Joint Venture
First Data Joint Venture [Member]
First Data Joint Venture [Member]
Measurement period adjustments, decrease in goodwill
Goodwill, Purchase Accounting Adjustments
Document Fiscal Year Focus
Document Fiscal Year Focus
3.500% senior notes due July 2029
3.5% Senior Notes Due July 2029 [Member]
3.5% Senior Notes Due July 2029 [Member]
Amortization expense
Amortization of Intangible Assets
Amortization of acquisition-related intangible assets
Amortization of Acquisition-Related Intangible Assets
The aggregate expense charged against earnings to allocate the cost of acquired intangible assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method.
Schedule of changes in reserves
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Weighted-Average Useful Life (in years)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life
Payments of debt financing costs
Payments of Financing Costs
Proceeds from issuance of treasury stock
Proceeds from Issuance or Sale of Equity
Long-term debt
Total long-term debt
Long-term Debt and Lease Obligation
Stock options excluded from the calculation of diluted weighted-average outstanding shares because their impact was anti-dilutive (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Revenue recognized which was included in the contract liability balance
Contract with Customer, Liability, Revenue Recognized
Business Combination and Asset Acquisition [Abstract]
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Business Acquisition [Axis]
Business Acquisition [Axis]
Aggregate merchant credit losses incurred
Loss Contingency, Loss in Period
0.375% senior notes due July 2023 (Euro-denominated)
0.375% Senior Notes Due July 2023 [Member]
0.375% Senior Notes Due July 2023 [Member]
Fiserv
Fiserv [Member]
Fiserv
3.800% senior notes due October 2023
3.8% Senior Notes Due 2023 [Member]
3.8% Senior Notes Due 2023 [Member]
3.200% senior notes due July 2026
3.2% Senior Notes Due July 2026 [Member]
3.2% Senior Notes Due July 2026 [Member]
Award Type [Domain]
Award Type [Domain]
Settlement Assets and Obligations
Settlement Assets And Obligations, Policy [Policy Text Block]
Settlement Assets And Obligations, Policy
Carrying value of non-contingent liability
Guarantor Obligations, Current Carrying Value
Credit Facility [Domain]
Credit Facility [Domain]
Assets
Assets [Abstract]
Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
Weighted-Average Remaining Contractual Term (Years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Stock options exercisable (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Accumulated impairment loss
Goodwill, Impaired, Accumulated Impairment Loss
Right-of-use assets obtained in exchange for lease liabilities - finance leases
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability
Output solutions postage
Output Solutions Postage [Member]
Output Solutions Postage [Member]
Decrease in unrecognized tax benefits reasonably possible
Decrease in Unrecognized Tax Benefits is Reasonably Possible
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of concentration risk
Concentration Risk, Percentage
Preferred stock, no par value: 25 million shares authorized; none issued
Preferred Stock, Value, Issued
Distributions paid to noncontrolling interests
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Accounting Standards Update and Change in Accounting Principle [Table]
Accounting Standards Update and Change in Accounting Principle [Table]
Stock options outstanding - balance at beginning of period (in shares)
Stock options outstanding - balance at end of period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Entity Address, City or Town
Entity Address, City or Town
Currency [Axis]
Currency [Axis]
Trade names
Trade Names [Member]
Retained Earnings
Retained Earnings [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Prepaid expenses and other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Long-term debt:
Long-term Debt, Other Disclosures [Abstract]
Total debt
Debt Instrument, Fair Value Disclosure
Short-term debt and current maturities of long-term debt:
Debt, Current [Abstract]
First Data Subsidiary Merchant Matters
First Data Subsidiary Merchant Matters [Member]
First Data Subsidiary Merchant Matters [Member]
Percentage of interest in joint venture
Noncontrolling Interest, Ownership Percentage by Parent
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Related Party [Axis]
Related Party [Axis]
Distributions from unconsolidated affiliates
Proceeds from Equity Method Investment, Distribution
Share repurchase amount
Stock Repurchased and Retired During Period, Value
Receivable securitized loan
Secured Debt [Member]
Trade accounts receivable
Increase (Decrease) in Accounts Receivable
Right-of-use assets obtained in exchange for lease liabilities - operating leases
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Weighted average interest rate
Debt, Weighted Average Interest Rate
Comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Entity Interactive Data Current
Entity Interactive Data Current
Estimated interest expense related to settled interest rate hedge contracts during the next twelve months
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Contingent consideration
Business Combination, Contingent Consideration, Liability, Current
Net income attributable to Fiserv, Inc. per share – basic (in dollars per share)
Earnings Per Share, Basic
(Gain) loss on sale of business
Gain on sale of business
Gain (Loss) on Disposition of Business
Measurement period adjustments related to First Data acquisition
Noncontrolling Interest, Increase (Decrease) from Business Combination, Measurement Period Adjustments
Noncontrolling Interest, Increase (Decrease) from Business Combination, Measurement Period Adjustments
2.250% senior notes due July 2025 (British Pound-denominated)
2.25% Senior Notes Due July 2025 [Member]
2.25% Senior Notes Due July 2025 [Member]
Revenue Recognition
Revenue from Contract with Customer [Text Block]
Non-compete agreements and other
Non-Compete Agreements And Other Intangible Assets [Member]
Non-Compete Agreements And Other Intangible Assets
Measurement period adjustments, deferred income taxes
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes
Acquired cash
Cash Acquired from Acquisition
Balance at beginning of period (in shares)
Balance at end of period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Document Type
Document Type
Capitalized software and other intangibles
Capitalized Software Development Costs [Member]
Internally developed software for sale, licensing or long-term internal use (classified as intangible assets).
Net assumed liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Disaggregation of revenue
Disaggregation of Revenue [Table Text Block]
Geographic Concentration Risk
Geographic Concentration Risk [Member]
Weighted-Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Intangible assets
Gross Carrying Amount
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Entity Current Reporting Status
Entity Current Reporting Status
Contract costs, net
Capitalized Contract Cost, Net
Cumulative Effect, Period of Adoption, Adjustment
Cumulative Effect, Period of Adoption, Adjustment [Member]
U.S. commercial paper notes
Commercial Paper [Member]
Net proceeds from (repayments of) commercial paper and short-term borrowings
Proceeds from (Repayments of) Short-term Debt
Controlling interest sold (as a percent)
Sale of Business, Percentage of Ownership Sold In Transaction
Sale of Business, Percentage of Ownership Sold In Transaction
Accelerated amortization expense included within finance lease expense
Finance Lease, Right-Of-Use Asset, Accelerated Amortization
Finance Lease, Right-Of-Use Asset, Accelerated Amortization
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Payments for acquisitions of businesses
Business Combination, Consideration Transferred
Depreciation and other amortization
Other Depreciation and Amortization
Long-term debt
Outstanding borrowings
Long-term Debt, Gross
Short-term and current maturities of long-term debt
Long-term Debt and Lease Obligation, Current
Client deposits
Contract With Customer, Liability, Customer Deposits, Current
Contract With Customer, Liability, Customer Deposits, Current
Distributions from unconsolidated affiliates
Proceeds from Equity Method Investment, Distribution, Return of Capital
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Other operating activities
Other Operating Activities, Cash Flow Statement
Document Transition Report
Document Transition Report
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Total liabilities and equity
Liabilities and Equity
Other accrued expenses
Other Accrued Liabilities, Current
Contract liabilities
Contract with Customer, Liability, Current
Exercised (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flow Elements [Abstract]
Liabilities and Equity
Liabilities and Equity [Abstract]
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
Accounts payable and accrued expenses
Total
Accounts Payable and Accrued Liabilities, Current
Financed software arrangements
Financed Software Arrangements
Financed Software Arrangements
Short-term Debt, Type [Domain]
Short-term Debt, Type [Domain]
Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc.
Earnings Per Share [Text Block]
Purchases of treasury stock
Treasury Stock, Value, Acquired, Cost Method
Debt repayments
Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security
Percentage of interest owned in affiliate
Equity Method Investment, Ownership Percentage
Accounting Changes and Error Corrections [Abstract]
Accounting Changes and Error Corrections [Abstract]
Interest Expense, Net
Interest Expense, Policy [Policy Text Block]
Minimum
Minimum [Member]
Affiliated entities
Affiliated Entity [Member]
Noncontrolling Interest [Abstract]
Noncontrolling Interest [Abstract]
Outstanding borrowings
Long-term Line of Credit
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Income (loss) before income taxes and income (loss) from investments in unconsolidated affiliates
Loss before income taxes and loss from investments in unconsolidated affiliates
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Selling, general and administrative
Selling, General and Administrative Expense
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Unrecognized tax benefits
Unrecognized Tax Benefits
Estimate of gains related to foreign currency exchange contracts during the next 12 months
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months
Cumulative Effect, Period of Adoption [Axis]
Cumulative Effect, Period of Adoption [Axis]
Restricted Stock Units and Awards
Restricted Stock Units And Restricted Stock Awards [Member]
Restricted Stock Units And Restricted Stock Awards
Employee severance and other separation costs accrual
Restructuring reserve, beginning balance
Restructuring reserve, ending balance
Restructuring Reserve
Term loan facility
Term Loan Facilities [Member]
Term Loan Facility [Member]
Trading Symbol
Trading Symbol
Accrued compensation and benefits
Accrued Employee Benefits, Current
Merchant credit losses
Merchant Credit Losses [Member]
Merchant Credit Losses [Member]
Restricted cash and cash equivalents
Restricted Cash and Cash Equivalents, Noncurrent
Share-based compensation costs
Share-based Payment Arrangement, Accelerated Cost
Cash Flow Information
Cash Flow, Supplemental Disclosures [Text Block]
Payments for acquisition of businesses, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Foreign Currency Translation
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Schedule of income tax provision and effective income tax rate
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Stock options exercisable (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Line of Credit
Line of Credit [Member]
Share-Based Compensation
Share-based Payment Arrangement [Text Block]
Senior Notes
Senior Notes [Member]
Fair Value, Inputs, Level 3
Fair Value, Inputs, Level 3 [Member]
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Stock options outstanding (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Number of redeemable noncontrolling interests
Number Of Redeemable Noncontrolling Interests
Number Of Redeemable Noncontrolling Interests
Redeemable Noncontrolling Interests
Balance at beginning of period
Balance at end of period
Redeemable Noncontrolling Interest, Equity, Carrying Amount
Schedule of interest expense, net
Interest Income and Interest Expense Disclosure [Table Text Block]
Common stock, $0.01 par value: 1,800 million shares authorized; 784 million and 789 million shares issued, respectively
Common Stock, Value, Issued
Other (expense) income
Nonoperating Income (Expense)
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Weighted-average period unrecognized compensation cost will be recognized (in years)
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Balance at beginning of period (in dollars per share)
Balance at end of period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Performance Share Units
Performance Shares [Member]
Commitments and Contingencies (see Note 17)
Commitments and Contingencies
Amortization of financing costs and debt discounts
Amortization Of Debt Issuance Costs, Discounts And Other
Amortization Of Debt Issuance Costs, Discounts And Other
Schedule of redeemable noncontrolling interests activity
Redeemable Noncontrolling Interest [Table Text Block]
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
2.750% senior notes due July 2024
2.75% Senior Notes Due July 2024 [Member]
2.75% Senior Notes Due July 2024 [Member]
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Ownership [Axis]
Ownership [Axis]
Document Period End Date
Document Period End Date
Foreign lines of credit
Foreign Line of Credit [Member]
Accelerated amortization expense
Restructuring And Related Cost, Accelerated Amortization
Restructuring And Related Cost, Accelerated Amortization
Accounting Standards Update 2016-13
Accounting Standards Update 2016-13 [Member]
Unrealized gain on defined benefit pension plans, net of income tax provision of $0 million
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax
Amounts due from unconsolidated merchant alliances
Due from Related Parties, Current
Total expenses
Costs and Expenses
Other comprehensive income (loss) before reclassifications
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Class of Stock [Axis]
Class of Stock [Axis]
Entity Registrant Name
Entity Registrant Name
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Treasury stock (in shares)
Treasury Stock, Shares
Bank Of America
Bank Of America [Member]
Bank Of America [Member]
Interest expense, net
Interest Income (Expense), Net
Indian Rupee
India, Rupees
Pre-tax gain from remeasurement
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain
Noncontrolling Interest [Line Items]
Noncontrolling Interest [Line Items]
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Ondot
Ondot Systems, Inc. [Member]
Ondot Systems, Inc.
Processing, administrative, and other fees
Revenue from Related Parties
Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Stock options
Share-based Payment Arrangement, Option [Member]
Less: Fair value of previously held equity interest
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value
Equity [Abstract]
Equity [Abstract]
Carrying value
Reported Value Measurement [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Cash payments
Payments for Restructuring
Interest income
Investment Income, Interest
Common Stock, par value $0.01 per share
Common Shares
Common Stock [Member]
Business Segment Information
Segment Reporting Disclosure [Text Block]
Operating income
Operating income (loss)
Operating Income (Loss)
Less: other comprehensive income (loss) attributable to noncontrolling interests
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation
Share-based Payment Arrangement, Noncash Expense
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Acquired software and technology
Technology-Based Intangible Assets [Member]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Treasury Stock
Treasury Stock [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Non-cash impairment charges
Asset Impairment Charges
Notional amount of derivatives
Derivative, Notional Amount
Other income
Other Nonoperating Income (Expense)
Number of shares to be repurchased (in shares)
Stock Repurchased and Retired During Period, Shares
4.750% senior notes due June 2021
4.75% Senior Notes Due 2021 [Member]
4.75% Senior Notes Due 2021 [Member]
Capital expenditures, including capitalized software and other intangibles
Payments to Acquire Property, Plant, and Equipment
Maximum
Maximum [Member]
Share-based Payment Arrangement [Abstract]
Share-based Payment Arrangement [Abstract]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Related Party Fees
Related Party Fees [Member]
Related Party Fees [Member]
Total liabilities
Liabilities
Legal Entity [Axis]
Legal Entity [Axis]
Share of income
Temporary Equity, Net Income
Award Type [Axis]
Award Type [Axis]
Granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Stock options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
2.250% senior notes due June 2027
2.25% Senior Notes Due 2027 [Member]
2.25% Senior Notes Due 2027 [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Total Fiserv, Inc. shareholders’ equity
Stockholders' Equity Attributable to Parent
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Accounts payable and other liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Stock options exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Schedule of supplemental cash flow information
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Interest expense, net
Interest Revenue (Expense), Net
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), After Reclassification And Tax
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), After Reclassification And Tax
Intangible Assets
Intangible Assets Disclosure [Text Block]
Fiserv, Inc. Shareholders’ Equity:
Stockholders' Equity Attributable to Parent [Abstract]
Changes in accumulated other comprehensive loss by component, net of income taxes
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Finance lease and other financing obligations
Finance Lease, Liability And Other, Current
Finance Lease, Liability And Other, Current
Pre-tax gain on sale
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal
Accumulated Other Comprehensive Loss
Comprehensive Income (Loss) Note [Text Block]
Variable-Rate Term Loan Facilities Due March 2023
Variable-Rate Term Loan Facilities Due March 2023 [Member]
Variable-Rate Term Loan Facilities Due March 2023 [Member]
Residual buyouts
Residual Buyout Intangible Assets [Member]
Residual Buyout Intangible Assets
Accounting Standards Update [Axis]
Accounting Standards Update [Axis]
Measurement Frequency [Domain]
Measurement Frequency [Domain]
Interest expense
Interest Expense
2.650% senior notes due June 2030
2.65% Senior Notes Due 2030 [Member]
2.65% Senior Notes Due 2030 [Member]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Total consideration
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
City Area Code
City Area Code
Retained earnings
Retained Earnings (Accumulated Deficit)
Operating segments
Operating Segments [Member]
Litigation Case [Domain]
Litigation Case [Domain]
Schedule of purchase price allocation
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
2.250% Senior Notes due 2025
Senior Notes Due 2025 [Member]
Senior Notes Due 2025 [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Investments in unconsolidated affiliates
Equity Method Investments
Income Statement [Abstract]
Income Statement [Abstract]
Amendment Flag
Amendment Flag
Corporate joint venture
Corporate Joint Venture [Member]
Fair value
Estimate of Fair Value Measurement [Member]
1.125% senior notes due July 2027 (Euro-denominated)
1.125% Senior Notes Due July 2027 [Member]
1.125% Senior Notes Due July 2027 [Member]
Total purchase price
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination
Receivables and other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables
Recent Accounting Pronouncements
Accounting Standards Update and Change in Accounting Principle [Text Block]
Subscriber funds
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability
Basis of Presentation and Summary of Significant Accounting Policies
Basis of Presentation and Significant Accounting Policies [Text Block]
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Tax expense
Disposal Group, Not Discontinued Operation, Gain on Disposal, Tax Expense
Disposal Group, Not Discontinued Operation, Gain on Disposal, Tax Expense
Total equity
Cumulative-effect decrease to beginning retained earnings
Balance at beginning of period
Balance at end of period
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Income tax (provision) benefit
Tax expense
Income tax benefit
Income Tax Expense (Benefit)
Purchases of treasury stock, including employee shares withheld for tax obligations
Payments For Repurchase Of Common Stock And Payments Related To Tax Withholding For Share Based Compensation
The cash outflow to reacquire common stock during the period and to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.
Trade accounts receivable, less allowance for doubtful accounts
Accounts Receivable, after Allowance for Credit Loss, Current
Debt proceeds
Proceeds from Issuance of Long-term Debt
Equity Components [Axis]
Equity Components [Axis]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Total current assets
Assets, Current
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Reclassification adjustment for net realized (gains) losses on cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Schedule of segment reporting information
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Schedule of stockholders equity
Schedule of Stockholders Equity [Table Text Block]
Entity File Number
Entity File Number
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Contingent consideration
Business Combination, Contingent Consideration, Liability, Noncurrent
Fair Value Measurements
Fair Value Measurement, Policy [Policy Text Block]
Product and Service [Axis]
Product and Service [Axis]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Computation of shares used in calculating basic and diluted net income per common share
Schedule of Weighted Average Number of Shares [Table Text Block]
Entity Small Business
Entity Small Business
Equity securities without a readily determinable fair value
Equity Securities without Readily Determinable Fair Value, Amount
Treasury Lock
Treasury Lock [Member]
Summary of restricted stock and performance activity
Schedule Of Share-Based Compensation, Restricted Stock Units, Restricted Stock Awards, Performance Share Units And Performance Share Awards Activity [Table Text Block]
Schedule Of Share-Based Compensation, Restricted Stock Units, Restricted Stock Awards, Performance Share Units And Performance Share Awards Activity [Table Text Block]
Equity Component [Domain]
Equity Component [Domain]
Shares issued under stock plans (in shares)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture
Acquired software and technology
Acquired Software And Technology [Member]
Purchased software applications and internally developed software for sale, licensing or long-term internal use acquired in a business combination.
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Foreign currency translation
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Income tax provision on unrealized gain on defined benefit plans
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Table]
3.850% senior notes due June 2025
3.85% Senior Notes Due 2025 [Member]
3.85% Senior Notes Due 2025 [Member]
Statement [Line Items]
Statement [Line Items]
Litigation Case [Axis]
Litigation Case [Axis]
Fair market value adjustment on cash flow hedges, net of income tax (provision) benefit of $0 million, ($1 million), $0 million and $2 million
Payment from settlement of cash flow hedges, recorded in AOCL, net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
Contract liabilities
Increase (Decrease) in Contract with Customer, Liability
Payment for legal settlement
Litigation Settlement, Amount Awarded to Other Party
Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Performance obligations expected to be satisfied
Revenue, Remaining Performance Obligation, Amount
Purchases of investments
Payments to Acquire Investments
Shares issued under stock plans
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
Short-term Debt, Type [Axis]
Short-term Debt, Type [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
Retirement of treasury stock
Treasury Stock, Retired, Cost Method, Amount
Finance lease and other financing obligations
Finance Lease, Liability And Other, Noncurrent
Finance Lease, Liability And Other, Noncurrent
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Income tax expense related to the revaluation of certain net deferred tax liabilities
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability
Variable-Rate Revolving Credit Facilities Due March 2023
Variable-Rate Revolving Credit Facilities Due March 2023 [Member]
Variable-Rate Revolving Credit Facilities Due March 2023 [Member]
Fair Value Measurements
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]
Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]
Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]
Entity Address, State or Province
Entity Address, State or Province
Contingent debt guarantee
Guarantees, Fair Value Disclosure
Allowance for Doubtful Accounts
Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]
Fair Value, Inputs, Level 2
Fair Value, Inputs, Level 2 [Member]
Accounting Standards Update [Domain]
Accounting Standards Update [Domain]
Document Information [Table]
Document Information [Table]
Long-term contract liabilities
Contract with Customer, Liability, Noncurrent
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Entity [Domain]
Entity [Domain]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Processing and other support services agreement, term (in years)
Deconsolidation, Period of Continuing Involvement After Deconsolidation
Deconsolidation, Period of Continuing Involvement After Deconsolidation
Software maintenance
Software Maintenance [Member]
Software Maintenance [Member]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Entity Shell Company
Entity Shell Company
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Local Phone Number
Local Phone Number
3.000% senior notes due July 2031 (British Pound-denominated)
3.0% Senior Notes Due July 2031 [Member]
3.0% Senior Notes Due July 2031 [Member]
Disposal Group, Disposed of by Sale
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Payments
Payments Segment [Member]
Payments Segment
Total assets
Assets
Investment, Name [Domain]
Investment, Name [Domain]
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Interest paid
Interest Paid, Excluding Capitalized Interest, Operating Activities
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations
Geographical [Domain]
Geographical [Domain]
Noncontrolling Interests
Noncontrolling Interest [Member]
Product and Service [Domain]
Product and Service [Domain]
Interest rate, stated percentage
Debt instrument, interest rate
Debt Instrument, Interest Rate, Stated Percentage
New Omaha
New Omaha Holdings [Member]
New Omaha Holdings
Derivative Contract [Domain]
Derivative Contract [Domain]
Less: net income (loss) attributable to noncontrolling interests and redeemable noncontrolling interests
Less: net income (loss) attributable to noncontrolling interests and redeemable noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Distributions paid to redeemable noncontrolling interests
Distributions paid to redeemable noncontrolling interests
Noncontrolling Interest, Decrease From Distributions To Redeemable Noncontrolling Interest Holders
Noncontrolling Interest, Decrease From Distributions To Redeemable Noncontrolling Interest Holders
Redeemable Noncontrolling Interests
Noncontrolling Interest Disclosure [Text Block]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
4.400% senior notes due July 2049
4.4% Senior Notes Due July 2049 [Member]
4.4% Senior Notes Due July 2049 [Member]
Revolving credit facility
Revolving Credit Facility [Member]
Performance obligations expected to be satisfied, expected timing
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect, Period of Adoption [Domain]
All Currencies [Domain]
All Currencies [Domain]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Schedule of debt, net of discounts and debt issuance costs
Schedule of Debt [Table Text Block]
Derivative liability, notional amount
Derivative Liability, Notional Amount
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Entity Tax Identification Number
Entity Tax Identification Number
Geographical [Axis]
Geographical [Axis]
Basic (in shares)
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share – basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Net income attributable to Fiserv, Inc. per share – diluted (in dollars per share)
Earnings Per Share, Diluted
Segments [Domain]
Segments [Domain]
Common stock equivalents (in shares)
Weighted Average Number Diluted Shares Outstanding Adjustment
Product
Product revenue
Product [Member]
Net income attributable to redeemable noncontrolling interest
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest
Income taxes paid
Income Taxes Paid, Net
Acquisitions and Dispositions
Mergers, Acquisitions and Dispositions Disclosures [Text Block]
Accounting Standards Update [Extensible List]
Accounting Standards Update [Extensible Enumeration]
Investment Services Business
Investment Services Business [Member]
Investment Services Business [Member]
Interest Expense
Interest Expense [Member]
Non-US
Non-US [Member]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Schedule of amortization expense of intangible assets
Finite-lived Intangible Assets Amortization Expense [Table Text Block]
Distributions paid to noncontrolling interests and redeemable noncontrolling interests
Payments of Ordinary Dividends, Noncontrolling Interest
Comprehensive income (loss) attributable to Fiserv, Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Employee Severance
Employee Severance [Member]
Contract liabilities
Contract with Customer, Liability
Redemption value
Redeemable Noncontrolling Interest, Equity, Redemption Value
Financial Guarantee
Financial Guarantee [Member]
Goodwill, expected tax deductible amount
Business Acquisition, Goodwill, Expected Tax Deductible Amount
MerchantPro, Bypass, and Inlet
MerchantPro Express LLC, Bypass Mobile, LLC, And Inlet LLC [Member]
MerchantPro Express LLC, Bypass Mobile, LLC, And Inlet LLC
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Treasury stock, at cost, 123 million and 121 million shares
Treasury Stock, Value
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Deferred income taxes
Deferred Income Tax Liabilities, Net
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Aggregate Intrinsic Value (In millions)
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Intrinsic Value [Abstract]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Intrinsic Value
Income (loss) from investments in unconsolidated affiliates
(Income) loss from investments in unconsolidated affiliates
Net pre-tax gain
Income (Loss) from Equity Method Investments
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Severance and other separation costs
Restructuring Charges
Trade accounts payable
Accounts Payable, Current
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Fintech
Fintech Segment [Member]
Fintech Segment [Member]
Measurement period adjustments, increase in intangible assets
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles
Schedule of fair value, assets and liabilities measured on recurring basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Processing and services
Processing and services revenue
Processing And Services [Member]
Processing And Services [Member]
Accumulated Other Comprehensive Loss
Total
AOCI Attributable to Parent [Member]
Contract assets
Contract with Customer, Asset, after Allowance for Credit Loss
Payables and other liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable
Retirement of treasury stock (in shares)
Treasury Stock, Shares, Retired
Increase (Decrease) in Temporary Equity [Roll Forward]
Increase (Decrease) in Temporary Equity [Roll Forward]
Cost of goods sold and services
Cost of Goods and Services Sold
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Restructuring and Related Activities [Abstract]
Restructuring and Related Activities [Abstract]
Purchased software
Computer Software, Intangible Asset [Member]
Proceeds from sale of business
Proceeds from Divestiture of Businesses
Contingent liability
Off-Balance Sheet, Credit Loss, Liability
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Schedule of remaining performance obligations
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
Other
Product and Service, Other [Member]
Merchant Alliances
Merchant Alliances [Member]
Merchant Alliances [Member]
Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
3.500% senior notes due October 2022
3.5% Senior Notes Due 2022 [Member]
3.5% Senior Notes Due 2022 [Member]
Debt maturities (in days)
Debt Instrument, Term
Income Statement Location [Domain]
Income Statement Location [Domain]
Reserve for Merchant Credit Losses
Loss Contingencies, Policy [Policy Text Block]
Loss Contingencies, Policy [Policy Text Block]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Property and equipment, net
Property, Plant and Equipment, Net
0.375% Senior Notes due 2023
Senior Notes Due 2023 [Member]
Senior Notes Due 2023 [Member]
Other long-term liabilities
Other Liabilities, Noncurrent
Purchases of treasury stock (in shares)
Treasury Stock, Shares, Acquired
Debt Instrument [Line Items]
Debt Instrument [Line Items]
1.625% senior notes due July 2030 (Euro-denominated)
1.625% Senior Notes Due July 2030 [Member]
1.625% Senior Notes Due July 2030 [Member]
Processing
Processing [Member]
Processing [Member]
Customer relationships, net
Customer relationships
Customer-Related Intangible Assets [Member]
Shares used in computing net income attributable to Fiserv, Inc. per share:
Earnings Per Share [Abstract]
Equity investments
Equity Method Investee [Member]
Noncontrolling Interest [Table]
Noncontrolling Interest [Table]
Accounts Payable and Accrued Expenses
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss
Revaluation/Remeasurement gain
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount
Revenue from Contract with Customer Benchmark
Revenue from Contract with Customer Benchmark [Member]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Document Quarterly Report
Document Quarterly Report
Amounts reclassified from accumulated other comprehensive loss
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Foreign currency forward exchange contracts
Foreign Exchange Contract [Member]
Loss contingency accrual
Loss Contingency Accrual
Stock options outstanding - balance at beginning of period (in dollars per shares)
Stock options outstanding - balance at end of period (in dollars per shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Income tax (provision) benefit on fair market value adjustment on cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
Collateral held
Loss Contingency, Collateral Held
Loss Contingency, Collateral Held
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Share-based compensation expense
Share-based Payment Arrangement, Expense
Earn-out provisions estimated fair value
Business Combination, Consideration Transferred, Liabilities Incurred
Settlement assets
Settlement Assets, Current
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Stock options exercisable (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Ownership percentage by noncontrolling owner
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners
Document Fiscal Period Focus
Document Fiscal Period Focus
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent
Estimated range of exposure
Loss Contingency, Estimate of Possible Loss
1.625% Senior Notes due 2030
Senior Notes Due 2030 [Member]
Senior Notes Due 2030 [Member]
Net income
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Short-term debt and current maturities of long-term debt
Debt, Current
Lending Solutions Business and Investment Services Business
Lending Solutions Business And Investment Services Business [Member]
Lending Solutions Business And Investment Services Business [Member]
Counterparty Name [Axis]
Counterparty Name [Axis]
Payables and Accruals [Abstract]
Payables and Accruals [Abstract]
Cash, cash equivalents and restricted cash, beginning balance
Cash, cash equivalents and restricted cash, ending balance
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Balance at beginning of period (in shares)
Balance at end of period (in shares)
Shares, Issued
Secondary public offering (in shares)
Sale of Stock, Number of Shares Issued in Transaction
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Accrued taxes
Taxes Payable, Current
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Other financing activities
Proceeds from (Payments for) Other Financing Activities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table]
Gross Carrying Amount
Finite-Lived Intangible Assets, Gross
Entity Central Index Key
Entity Central Index Key
Schedule of intangible assets by class
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Security Exchange Name
Security Exchange Name
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Schedule of accounts payable and accrued expenses
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Share-based awards, stock options, exercised (in shares)
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Revenue from Contract with Customer
Revenue from Contract with Customer [Policy Text Block]
Settlement obligations
Settlement Liabilities, Current
InvestCloud
InvestCloud Holdings, LLC [Member]
InvestCloud Holdings, LLC
Diluted (in shares)
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share – diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Total other comprehensive income (loss)
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Fair Value, Recurring
Fair Value, Recurring [Member]
Income Taxes
Income Tax Disclosure [Text Block]
Accrued interest
Interest Payable, Current
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Related Party [Domain]
Related Party [Domain]
Current Fiscal Year End Date
Current Fiscal Year End Date
Summary of stock option activity
Share-based Payment Arrangement, Option, Activity [Table Text Block]
Pineapple Payments
Pineapple Payments Holdings, LLC [Member]
Pineapple Payments Holdings, LLC
License and termination fees
License And Termination Fees [Member]
License And Termination Fees [Member]
Equity
Stockholders' Equity Note Disclosure [Text Block]
Cash Flow Hedges
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Capital contribution
Payments to Acquire Equity Method Investments
Class of Stock [Line Items]
Class of Stock [Line Items]
Credit Facility [Axis]
Credit Facility [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Lending Joint Ventures
Lending Solutions Business [Member]
Lending Solutions Business [Member]
Net cash (used in) provided by investing activities
Net Cash Provided by (Used in) Investing Activities
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Changes in assets and liabilities, net of effects from acquisitions and dispositions:
Increase (Decrease) in Operating Capital [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Hardware, print and card production
Hardware, Print, And Card Production [Member]
Hardware, Print, And Card Production [Member]
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Total current liabilities
Liabilities, Current
Class of Stock [Domain]
Class of Stock [Domain]
Professional services
Professional Services [Member]
Professional Services [Member]
Income tax provision (benefit) on reclassification adjustment for net realized gains (losses) on cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
SpendLabs and Radius8
SpendLabs, Inc. And Radius8, Inc. [Member]
SpendLabs, Inc. And Radius8, Inc.
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Acceptance
Acceptance Segment [Member]
Acceptance Segment [Member]
3.000% Senior Notes due 2031
Senior Notes Due 2031 [Member]
Senior Notes Due 2031 [Member]
Loss Contingencies [Table]
Loss Contingencies [Table]
Cash and cash equivalents
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Schedule of gross carrying amount and weighted-average useful life allocated to intangible assets
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Ownership [Domain]
Ownership [Domain]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Proceeds from sale of investments
Proceeds from Sale of Equity Securities, FV-NI
Unamortized discount and deferred financing costs
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Banc of America Merchant Services Joint Venture
Banc Of America Merchant Services Joint Venture [Member]
Banc Of America Merchant Services Joint Venture
Banc of America Merchant Services
Banc of America Merchant Services [Member]
Banc of America Merchant Services [Member]
Other Investments
Equity Securities without Readily Determinable Fair Value [Policy Text Block]
Net income (loss)
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest
Document Information [Line Items]
Document Information [Line Items]
First Data
First Data [Member]
First Data [Member]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Title of 12(b) Security
Title of 12(b) Security
Statement [Table]
Statement [Table]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Unrecognized compensation cost
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Cash flow hedges, assets
Cash Flow Hedge Derivative Instrument Assets at Fair Value
Restructuring and Other Charges
Restructuring, Impairment, and Other Activities Disclosure [Text Block]
Cover [Abstract]
Cover [Abstract]
Cost of Services
Cost Of Services [Member]
Cost Of Services [Member]
Goodwill
Goodwill
Intangible assets, net
Net Book Value
Finite-Lived Intangible Assets, Net
Term loan facility
Term Loan Facility [Member]
Term Loan Facility [Member]
Noncontrolling interests
Stockholders' Equity Attributable to Noncontrolling Interest
4.200% senior notes due October 2028
4.2% Senior Notes Due 2028 [Member]
4.2% Senior Notes Due 2028 [Member]
1.125% Senior Notes due 2027
Senior Notes Due 2027 [Member]
Senior Notes Due 2027 [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Pension Plans
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Debt
Long-term Debt [Text Block]
Deferred income taxes
Deferred Income Tax Expense (Benefit)