| Cumulative Cost Basis | $55B | $55.5B | $56B | $56.9B | $58.5B | $59.3B | $60.9B | $61.5B |
| Debt Instrument, Fair Value Disclosure | $41B | $42B | $40B | $45B | $47B | $48B | $46B | $49B |
| Long-Term Debt and Lease Obligation | $36.6B | $38.5B | $37.2B | $39.4B | $39.3B | $44.1B | $42.3B | $42.6B |
| Trademarks | $13.7B | $13.7B | $13.7B | $14.2B | $14.2B | $13.6B | $13.8B | $13.9B |
| Commercial paper borrowings outstanding | $4.4B | $2B | — | $4.8B | $7.7B | $3B | — | $5B |
| Deferred income taxes | $3.9B | $3.7B | $3.5B | $3.5B | $3.1B | $3.5B | $3.8B | $4B |
| Common stock, shares authorized (in shares) | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B |
| Gross Carrying Amount | $2.9B | $2.9B | $2.9B | $2.9B | $3.2B | $3.1B | $3.1B | $3.1B |
| Equity method investments (Note 11) | $2.7B | $2.6B | $2B | $2B | $2.1B | $2.1B | $2B | $2.1B |
| Carrying Amount, Hedged Fixed-Rate Debt | — | — | $1.9B | $2B | $2B | $2B | $2B | $2B |
| Finite-Lived Intangible Assets, Accumulated Amortization | $1.8B | $1.8B | $1.8B | $1.8B | $1.8B | $1.9B | $1.9B | $1.9B |
| Common stock, shares issued (in shares) | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B |
| Gross Unrealized Gains | $800M | $347M | $334M | $430M | $526M | $1.1B | $860M | $745M |
| Accumulated Other Comprehensive Income Loss Other | $603M | $252M | $237M | $303M | $367M | $777M | $606M | $508M |
| Treasury stock, shares (in shares) | 493M | 494M | 495M | 494M | 496M | 498M | 500M | 499M |
| Gross Assets/Liabilities | $190M | $201M | $246M | $194M | $225M | $185M | $214M | $237M |
| Derivative Liability | $190M | $201M | $246M | $194M | $225M | $185M | $214M | $237M |
| Allowance for doubtful accounts | $180M | $166M | $356M | $362M | $231M | $245M | $230M | $225M |
| AOCI - Cash Flow Hedge Reclassification (Next 12 Months) | $14M | -$10M | $82M | $104M | $86M | $109M | $126M | $181M |
| Business Combination, Contingent Consideration, Liability | — | — | $0 | — | $226M | $180M | $278M | $162M |
| Noncontrolling interests in subsidiaries | $134M | $152M | $130M | $140M | $141M | $155M | $141M | $153M |
| Derivative, Net Liability Position, Aggregate Fair Value | $141M | $171M | $208M | $143M | $110M | $88M | $96M | $97M |
| Common stock, par value (in dollars per share) | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 |
| Derivative Collateral Threshold | $0 | $0 | $0 | $0 | $0 | $0 | — | $0 |
| Accrued marketplace spending | — | — | $3.5B | — | — | — | $3.5B | — |
| amortization corridor | — | — | $0.1 | — | — | — | $0.1 | — |
| Cash Collateral for Borrowed Securities | — | — | $447M | — | — | — | $430M | — |
| Collateral already posted, aggregate fair value | $0 | $0 | $0 | $0 | $0 | — | $0 | $0 |
| Common stock, capital shares reserved for future issuance | — | — | 95M | — | — | — | 89M | — |
| Credit-Risk-Related Contingent Features Triggered | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Short-term debt and current portion of long-term debt | — | — | $7.1B | — | — | — | $6.9B | — |
| Less: net unamortized discount | — | — | $267M | — | — | — | $224M | — |
| Deductible State Tax And Interest Benefits | — | — | $202M | — | — | — | $181M | — |
| Deferred Tax Liabilities, Gross | — | — | $4.1B | — | — | — | $4.7B | — |
| Deferred marketplace spending | — | — | $100M | — | — | — | $205M | — |
| Deferred Tax Asset - capitalized research and development | — | — | $256M | — | — | — | $134M | — |
| Deferred Tax Assets, Goodwill and Intangible Assets | — | — | $1.6B | — | — | — | $2B | — |
| Deferred Tax Assets, Gross | — | — | $11.2B | — | — | — | $11.5B | — |
| Deferred Tax Assets, Net | — | — | $878M | — | — | — | $739M | — |
| Deferred Tax Assets, Net of Valuation Allowance | — | — | $5B | — | — | — | $5.4B | — |
| Deferred Tax Assets, Operating Loss Carryforwards | — | — | $6.7B | — | — | — | $6.8B | — |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits | — | — | $104M | — | — | — | $96M | — |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost | — | — | $148M | — | — | — | $141M | — |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other | — | — | $415M | — | — | — | $372M | — |
| Deferred Tax Assets, Valuation Allowance | — | — | $6.2B | — | — | — | $6.1B | — |
| Debt guarantee of wholly-owned subsidiary | — | — | $578M | — | — | — | $578M | — |
| Deferred Tax Liabilities, Other | — | — | $301M | — | — | — | $486M | — |
| Deferred Tax Liabilities, Property, Plant and Equipment | — | — | $1.9B | — | — | — | $2B | — |
| Deferred tax liability, recapture of NOL | — | — | $488M | — | — | — | $488M | — |
| Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year | — | — | 5.0% | — | — | — | 5.0% | — |
| Defined Benefit Plan, Ultimate Health Care Cost Trend Rate | — | — | 4.0% | — | — | — | 4.0% | — |
| Unrecognized compensation cost related to non-vested awards | — | — | $398M | — | — | — | $329M | — |
| 2028 | — | — | $64M | — | — | — | $74M | — |
| 2030 | — | — | $59M | — | — | — | $72M | — |
| 2031 | — | — | $58M | — | — | — | $63M | — |
| 2027 | — | — | $73M | — | — | — | $78M | — |
| 2029 | — | — | $60M | — | — | — | $73M | — |
| Raw materials | — | — | $2.4B | — | — | — | $2.6B | — |
| Lessee Operating Lease Liability Payments Due | — | — | $4B | — | — | — | $4.5B | — |
| Lessee Operating Lease Liability Undiscounted Excess Amount | — | — | $568M | — | — | — | $681M | — |
| Line of Credit Facility, Outstanding Borrowings | $0 | $0 | $0 | — | $0 | $0 | $0 | — |
| Noncurrent notes and accounts receivable | — | — | $111M | — | — | — | $136M | — |
| Number of countries in which Visa operates (more than) | — | — | 20000.0% | — | — | — | 20000.0% | — |
| Operating Lease Weighted Average Discount Rate Percent | — | — | 4.0% | — | — | — | 5.0% | — |
| Operating Loss Carryforwards | — | — | $34B | — | — | — | $35.5B | — |
| Other Assets, Miscellaneous | — | — | $821M | — | — | — | $923M | — |
| Other receivables | — | — | $2.2B | — | — | — | $2.5B | — |
| Phantom Units Granted Under Director Deferral Program, Shares Outstanding | — | — | 311K | — | — | — | 341K | — |
| Reporting Unit, Zero or Negative Carrying Amount, Number | — | — | $0 | — | — | — | $0 | — |
| Reserves For Income Taxes | — | — | $2.3B | — | — | — | $2.4B | — |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price | — | — | $166.64 | — | — | — | $162.45 | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number | — | — | 11.1M | — | — | — | 11.3M | — |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | — | — | 5.4M | — | — | — | 4.8M | — |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value | — | — | $0 | — | — | — | $2.5M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price | — | — | $143.88 | — | — | — | $146.60 | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | — | — | $177.8M | — | — | — | $101M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price | — | — | $119.78 | — | — | — | $134.10 | — |
| Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | — | — | 5.4M | — | — | — | 6.3M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value | — | — | $177.8M | — | — | — | $98.4M | — |
| Significant unobservable input used in level 3 fair value measurement - Other AFS, discount rate assumption | — | — | 8.3% | — | — | — | — | — |
| Trade receivables | — | — | $8.5B | — | — | — | $9.3B | — |
| Undistributed Earnings of Foreign Subsidiaries | — | — | $11B | — | — | — | $12B | — |
| Unrecognized tax benefits | — | — | $2.3B | — | — | — | $2.4B | — |
| Interest accrued | — | — | $469M | — | — | — | $450M | — |