Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Document Type Document Type Stock options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Corporate and Other Corporate Reconciling Items And Eliminations [Member] Corporate Reconciling Items And Eliminations [Member] Other income Other Nonoperating Income (Expense) Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Related Party [Axis] Related Party [Axis] Treasury Stock Treasury Stock [Member] Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Payables and Accruals [Abstract] Payables and Accruals [Abstract] Noncontrolling Interest [Table] Noncontrolling Interest [Table] Segments [Axis] Segments [Axis] Other Investments Equity Securities without Readily Determinable Fair Value [Policy Text Block] 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 Changes in accumulated other comprehensive loss by component, net of income taxes Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Statistical Measurement [Domain] Statistical Measurement [Domain] Liabilities and Equity Liabilities and Equity [Abstract] Line of Credit Line of Credit [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Redemption value Redeemable Noncontrolling Interest, Equity, Redemption Value Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Distributions paid to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Deferred income taxes Deferred Income Tax Liabilities, Net Security Exchange Name Security Exchange Name Debt proceeds Proceeds from Issuance of Long-term Debt Operating income Operating income (loss) Operating Income (Loss) Total current liabilities Liabilities, Current First Data Joint Venture First Data Joint Venture [Member] First Data Joint Venture [Member] Redeemable Noncontrolling Interests Noncontrolling Interest Disclosure [Text Block] Lessor lease term (in months and years) Lessor, Operating And Sales-Type Lease, Term of Contract Lessor, Operating And Sales-Type Lease, Term of Contract Contract with customer, asset and liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Performance Share Units Performance Shares [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current 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 Pre-tax gain from remeasurement Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Commitments and Contingencies (see Note 18) Commitments and Contingencies Assets Assets [Abstract] Investment, Name [Axis] Investment, Name [Axis] 3.500% senior notes due July 2029 3.5% Senior Notes Due July 2029 [Member] 3.5% Senior Notes Due July 2029 [Member] Acquired cash Cash Acquired from Acquisition Accounting Policies [Abstract] Accounting Policies [Abstract] 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. Shares issued under stock plans Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Accrued taxes Taxes Payable, Current Entity Address, State or Province Entity Address, State or Province Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Trade accounts payable Accounts Payable, Current Schedule of components of lease income Sales-type Lease, Lease Income [Table Text Block] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Accounts Payable and Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Fair market value adjustment on cash flow hedges, net of income tax (provision) benefit of ($0 million) and $3 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 Weighted-Average Useful Life (in years) Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 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] Purchases of treasury stock (in shares) Treasury Stock, Shares, Acquired 3.800% senior notes due October 2023 3.8% Senior Notes Due 2023 [Member] 3.8% Senior Notes Due 2023 [Member] 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 3.200% senior notes due July 2026 3.2% Senior Notes Due July 2026 [Member] 3.2% Senior Notes Due July 2026 [Member] 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] Unrecognized compensation cost Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Settlement Assets and Obligations Settlement Assets And Obligations, Policy [Policy Text Block] Settlement Assets And Obligations, Policy Long-term debt Total long-term debt Long-term Debt and Lease Obligation Derivative liability, notional amount Derivative Liability, Notional Amount New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Preferred stock, no par value: 25.0 million shares authorized; none issued Preferred Stock, Value, Issued Output solutions postage Output Solutions Postage [Member] Output Solutions Postage [Member] Capital contribution Payments to Acquire Equity Method Investments Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Stock options exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Other long-term liabilities Other Liabilities, Noncurrent Other investing activities Payments for (Proceeds from) Other Investing Activities Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Reserve for estimated credit losses on lease payment receivables Net Investment in Lease, Allowance for Credit Loss AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Share-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Document Information [Table] Document Information [Table] 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 First Data Subsidiary Merchant Matters First Data Subsidiary Merchant Matters [Member] First Data Subsidiary Merchant Matters [Member] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Measurement Frequency [Domain] Measurement Frequency [Domain] Percentage of concentration risk Concentration Risk, Percentage Business Acquisition [Axis] Business Acquisition [Axis] Geographical [Domain] Geographical [Domain] Statement [Line Items] Statement [Line Items] Total fair value of cash flow hedge derivatives Cash Flow Hedges Derivative Instruments at Fair Value, Net Class of Stock [Domain] Class of Stock [Domain] Accrued interest Interest Payable, Current Contingent consideration Business Combination, Contingent Consideration, Liability, Noncurrent Statement [Table] Statement [Table] Type of Restructuring [Domain] Type of Restructuring [Domain] Statistical Measurement [Axis] Statistical Measurement [Axis] Credit Facility [Axis] Credit Facility [Axis] Total debt Debt Instrument, Fair Value Disclosure Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued 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] Computation of shares used in calculating basic and diluted net income per common share Schedule of Weighted Average Number of Shares [Table Text Block] Non-compete agreements and other Non-Compete Agreements And Other Intangible Assets [Member] Non-Compete Agreements And Other Intangible Assets Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Business Combinations [Abstract] Business Combinations [Abstract] 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). Interest Expense, Net Interest Expense, Policy [Policy Text Block] Entity Small Business Entity Small Business Principles of Consolidation Consolidation, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Stock options exercisable (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Schedule of components of lease income Operating Lease, Lease Income [Table Text Block] Amendment Flag Amendment Flag 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 Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of purchase price allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Other accrued expenses Other Accrued Liabilities, Current Outstanding borrowings Long-term Line of Credit Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Reclassification adjustment for net realized (gains) losses on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Distributions paid to noncontrolling interests and redeemable noncontrolling interests Payments of Ordinary Dividends, Noncontrolling Interest Entity Central Index Key Entity Central Index Key Related Party [Domain] Related Party [Domain] Client deposits Contract With Customer, Liability, Customer Deposits, Current Contract With Customer, Liability, Customer Deposits, Current Measurement Frequency [Axis] Measurement Frequency [Axis] Purchased software Computer Software, Intangible Asset [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Allowance for Doubtful Accounts Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Schedule of intangible assets by class Schedule of Finite-Lived Intangible Assets [Table Text Block] Senior Notes Senior Notes [Member] Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Geographical [Axis] Geographical [Axis] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Segments [Domain] Segments [Domain] Leases Lessor, Leases [Policy Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Income tax provision on unrealized gain on defined benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax Common stock equivalents (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Revaluation/Remeasurement gain Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount Financed software arrangements Financed Software Arrangements Financed Software Arrangements Income Statement Location [Axis] Income Statement Location [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Income Statement Location [Domain] Income Statement Location [Domain] Short-term debt and current maturities of long-term debt: Debt, Current [Abstract] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] 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 Selling, general and administrative Selling, General and Administrative Expense Notional amount of derivatives Derivative, Notional Amount Amortization expense Amortization of Intangible Assets Foreign currency forward exchange contracts Foreign Exchange Contract [Member] Treasury Lock Treasury Lock [Member] Other long-term assets Other Assets, Noncurrent Customer relationships, net Customer relationships Customer-Related Intangible Assets [Member] Business Segment Information Segment Reporting Disclosure [Text Block] Total assets Assets Related Party Transactions Related Party Transactions Disclosure [Text Block] Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] 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 Title of 12(b) Security Title of 12(b) Security Restricted Stock Units and Awards Restricted Stock Units And Restricted Stock Awards [Member] Restricted Stock Units And Restricted Stock Awards Disposal Group Classification [Axis] Disposal Group Classification [Axis] Term loan facility Term Loan Facilities [Member] Term Loan Facility [Member] Intangible assets, net Net Book Value Finite-Lived Intangible Assets, Net Non-cash impairment charge Business Exit Costs Pre-tax gain on sale Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Merchant credit losses Merchant Credit Losses [Member] Merchant Credit Losses [Member] Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Leases Lessor, Operating Leases [Text Block] Cost of product Cost of Sales [Member] Interest expense Interest Expense Acquisitions and Dispositions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Indian Rupee India, Rupees Schedule of income tax provision and effective income tax rate Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Ownership percentage by noncontrolling owner Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Leases Lessor, Sales-type Leases [Text Block] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Other intangible assets, net Other Intangible Assets [Member] Product and Service [Axis] Product and Service [Axis] Total liabilities Liabilities Number of redeemable noncontrolling interests Number Of Redeemable Noncontrolling Interests Number Of Redeemable Noncontrolling Interests Product revenue Sales [Member] Weighted-average period unrecognized compensation cost will be recognized (in years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Non-US Non-US [Member] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule of redeemable noncontrolling interests activity Redeemable Noncontrolling Interest [Table Text Block] Revenue recognized which was included in the contract liability balance Contract with Customer, Liability, Revenue Recognized Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Amortization of financing costs and debt discounts Amortization Of Debt Issuance Costs, Discounts And Other Amortization Of Debt Issuance Costs, Discounts And Other 2.750% senior notes due July 2024 2.75% Senior Notes Due July 2024 [Member] 2.75% Senior Notes Due July 2024 [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Restricted cash and cash equivalents Restricted Cash and Cash Equivalents, Noncurrent 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] Additional Paid-In Capital Additional Paid-in Capital [Member] Debt Instrument [Axis] Debt Instrument [Axis] Interest expense, net Interest Income (Expense), Net Accelerated amortization expense Restructuring And Related Cost, Accelerated Amortization Restructuring And Related Cost, Accelerated Amortization Operating segments Operating Segments [Member] Other operating activities Other Operating Activities, Cash Flow Statement Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Class of Stock [Line Items] Class of Stock [Line Items] Purchases of treasury stock Treasury Stock, Value, Acquired, Cost Method Balance at beginning of period (in shares) Balance at end of period (in shares) Shares, Issued 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] Litigation Case [Axis] Litigation Case [Axis] Bank Of America Bank Of America [Member] Bank Of America [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Investments in unconsolidated affiliates Equity Method Investments Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Revolving credit facility Revolving Credit Facility [Member] Settlement assets Settlement Assets, Current Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Integration activities charges Business Combination, Integration Related Costs Share of income Temporary Equity, Net Income Ondot Ondot Systems, Inc. [Member] Ondot Systems, Inc. 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 Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Payments for acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Common stock, shares authorized (in shares) Common Stock, Shares Authorized Concentration Risk Type [Axis] Concentration Risk Type [Axis] Short-term and current maturities of long-term debt Long-term Debt and Lease Obligation, Current Schedule of segment reporting information Schedule of Segment Reporting Information, by Segment [Table Text Block] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Fair value Estimate of Fair Value Measurement [Member] Income Statement [Abstract] Income Statement [Abstract] Accumulated Other Comprehensive Loss Total AOCI Attributable to Parent [Member] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Long-term debt: Long-term Debt, Other Disclosures [Abstract] Intangible assets Gross Carrying Amount Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Unamortized discount and deferred financing costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Use of Estimates Use of Estimates, Policy [Policy Text Block] Goodwill, expected tax deductible amount Business Acquisition, Goodwill, Expected Tax Deductible Amount 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] Interest income Investment Income, Interest Comprehensive income (loss) attributable to Fiserv, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Contract costs, net Capitalized Contract Cost, Net Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Counterparty Name [Domain] Counterparty Name [Domain] Capital expenditures, including capitalized software and other intangibles Payments to Acquire Property, Plant, and Equipment City Area Code City Area Code Consolidation Items [Domain] Consolidation Items [Domain] Document Period End Date Document Period End Date 4.750% senior notes due June 2021 4.75% Senior Notes Due 2021 [Member] 4.75% Senior Notes Due 2021 [Member] Debt Long-term Debt [Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Earn-out provisions estimated value Business Combination, Contingent Consideration, Liability Amounts due from unconsolidated merchant alliances Due from Related Parties, Current Loss contingency accrual Loss Contingency Accrual Less: Fair value of previously held equity interest Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value Related Party Fees Related Party Fees [Member] Related Party Fees [Member] Income (loss) from investments in unconsolidated affiliates (Income) loss from investments in unconsolidated affiliates Net pre-tax gain Income (Loss) from Equity Method Investments Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Disaggregation of revenue Disaggregation of Revenue [Table Text Block] Income before income taxes and income (loss) from investments in unconsolidated affiliates Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Amounts reclassified from accumulated other comprehensive loss Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 2.250% senior notes due June 2027 2.25% Senior Notes Due 2027 [Member] 2.25% Senior Notes Due 2027 [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Accumulated impairment loss Goodwill, Impaired, Accumulated Impairment Loss Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Share-based compensation Share-based Payment Arrangement, Noncash Expense Short-term borrowings, net Proceeds from (Repayments of) Short-term Debt Other financing activities Proceeds from (Payments for) Other Financing Activities Cover [Abstract] Cover [Abstract] Plus: other comprehensive loss attributable to noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest 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 Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Payables and other accrued liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution Intangible Assets Intangible Assets Disclosure [Text Block] Equity investments Equity Method Investee [Member] Finance lease and other financing obligations Finance Lease, Liability And Other, Current Finance Lease, Liability And Other, Current Affiliated entities Affiliated Entity [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Contract liabilities Increase (Decrease) in Contract with Customer, Liability 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 Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] 2.650% senior notes due June 2030 2.65% Senior Notes Due 2030 [Member] 2.65% Senior Notes Due 2030 [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cost of goods sold and services Cost of Goods and Services Sold Other Acquisitions Series of Individually Immaterial Business Acquisitions [Member] Total expenses Costs and Expenses Proceeds from issuance of treasury stock Proceeds from Issuance or Sale of Equity Equity Components [Axis] Equity Components [Axis] Receivables and other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Minimum Minimum [Member] 2.250% Senior Notes due 2025 Senior Notes Due 2025 [Member] Senior Notes Due 2025 [Member] Radius8 Radius8, Inc. [Member] Radius8, Inc. Schedule of supplemental cash flow information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Right-of-use assets obtained in exchange for lease liabilities - finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability 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 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] 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 Entity Interactive Data Current Entity Interactive Data Current Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Equity Stockholders' Equity Note Disclosure [Text Block] Summary of stock option activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Tax expense Disposal Group, Not Discontinued Operation, Gain on Disposal, Tax Expense Disposal Group, Not Discontinued Operation, Gain on Disposal, Tax Expense Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] 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. Additional paid-in capital Additional Paid in Capital, Common Stock Payment for legal settlement Litigation Settlement, Amount Awarded to Other Party Entity Registrant Name Entity Registrant Name Business Acquisition [Line Items] Business Acquisition [Line Items] Accrued compensation and benefits Accrued Employee Benefits, Current Non-cash impairment charge Asset Impairment Charges Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Decrease in unrecognized tax benefits reasonably possible Decrease in Unrecognized Tax Benefits is Reasonably Possible Restructuring and Other Charges Restructuring, Impairment, and Other Activities Disclosure [Text Block] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Consolidation Items [Axis] Consolidation Items [Axis] Payments Payments And Industry Products Segment [Member] Payments and Industry Products Segment Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Trade accounts receivable, less allowance for doubtful accounts Accounts Receivable, after Allowance for Credit Loss, Current Percentage of interest in joint venture Noncontrolling Interest, Ownership Percentage by Parent Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] 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] Employee severance and other separation costs accrual Restructuring reserve, beginning balance Restructuring reserve, ending balance Restructuring Reserve Operating lease income Operating Lease, Lease Income 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. Accounting Standards Update [Axis] Accounting Standards Update [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code 3.850% senior notes due June 2025 3.85% Senior Notes Due 2025 [Member] 3.85% Senior Notes Due 2025 [Member] Restructuring Type [Axis] Restructuring Type [Axis] Cash payments Payments for Restructuring Disposal Group, Disposed of by Sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Goodwill Goodwill Debt repayments Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security Document Transition Report Document Transition Report Wealthtech Wealthtech Holdings, LLC [Member] Wealthtech Holdings, LLC Contingent consideration Business Combination, Contingent Consideration, Liability, Current Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Finance lease and other financing obligations Finance Lease, Liability And Other, Noncurrent Finance Lease, Liability And Other, Noncurrent Consideration from sale of business Disposal Group, Including Discontinued Operation, Consideration 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] Document Quarterly Report Document Quarterly Report Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Equity [Abstract] Equity [Abstract] Financial Guarantee Financial Guarantee [Member] Accounting Standards Update 2016-13 Accounting Standards Update 2016-13 [Member] Contract liabilities Contract with Customer, Liability, Current Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible List] Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of 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