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2.2.0.7 true Investment Securities - Additional Information (Detail) (USD $) 153 - Disclosure - Investment Securities - Additional Information (Detail) true false In Millions false false 1 USD false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 pure Standard http://www.xbrl.org/2003/instance pure 0 shares Standard http://www.xbrl.org/2003/instance shares 0 $ false 2 USD false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 pure Standard http://www.xbrl.org/2003/instance pure 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 $ false 3 USD false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 pure Standard http://www.xbrl.org/2003/instance pure 0 shares Standard http://www.xbrl.org/2003/instance shares 0 $ 2 ARS, interest rate reset duration 2 ma_InterestRateResetDuration ma false na duration Interest Rate Reset Duration false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 35 days false false false 3 false false false false 0 0 false false false xbrli:stringItemType string Interest Rate Reset Duration No authoritative reference available. false 4 Estimated fair value of Auction rate securities (ARS), discount rate 2 ma_PercentageOfFairValueOfInvestmentsUsingDiscountedCashFlowPricingModel ma false na instant Percentage of fair value of investments using Discounted Cash Flow pricing model false false false false false false false false false false false false 1 false true false false 0.15 0.15 false false false 2 false true false false 0.15 0.15 false false false 3 false true false false 0.15 0.15 false false false us-types:percentItemType pure Percentage of fair value of investments using Discounted Cash Flow pricing model No authoritative reference available. false 5 Pre-tax Impairment included in Accumulated Other Comprehensive Income related to the Company's ARS 2 ma_AccumulatedOtherComprehensiveIncomeLossAuctionRateSecuritiesAdjustmentPreTax ma false credit instant Accumulated Other Comprehensive Income Loss Auction Rate Securities Adjustment Pre Tax false false false false false false false false false false false false 1 true true false false 21000000 21 false false false 2 true true false false 21000000 21 false false false 3 true true false false 32000000 32 false false false xbrli:monetaryItemType monetary Accumulated Other Comprehensive Income Loss Auction Rate Securities Adjustment Pre Tax No authoritative reference available. false 6 Increased impairment of securities by hypothetical increase of 100 basis points in the discount rate used in the discounted cash flow analysis 2 ma_IncreaseInImpairmentOfSecurities ma false credit instant Increase Decrease in Impairment Of Securities. false false false false false false false false false false false false 1 false true false false 8000000 8 false false false 2 false true false false 8000000 8 false false false 3 false true false false 23000000 23 false false false xbrli:monetaryItemType monetary Increase Decrease in Impairment Of Securities. No authoritative reference available. false 7 Held-to-maturity investment security, municipal bond yielding interest per annum 2 ma_InterestOnHeldToMaturityInvestmentSecurityMunicipalBond ma false na instant Interest on Held to Maturity Investment Security,Municipal Bond false false false false false false false false false false false false 1 false true false false 0.050 0.050 false false false 2 false true false false 0.050 0.050 false false false 3 false false false false 0 0 false false false us-types:percentItemType pure Interest on Held to Maturity Investment Security,Municipal Bond No authoritative reference available. false 8 Investment income 2 us-gaap_InvestmentIncomeNonoperating us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 true true false false 11000000 11 false false false 2 true true false false 34000000 34 false false false 3 false false false false 0 0 false false false xbrli:monetaryItemType monetary The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 false 9 Lower Limit 0 na true na na No definition available. false true false false false false false false false false false http://www.mastercard.com/taxonomy/role/disclosureinvestmentsecuritiesadditionalinformation false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false false 6 true false false false ma_LowerLimitMember ma_RangeAxis xbrldi http://xbrl.org/2006/xbrldi ma_LowerLimitMember ma_RangeAxis explicitMember pure Standard http://www.xbrl.org/2003/instance pure 0 na No definition available. No authoritative reference available. false 11 ARS, collateralized by student loans with guarantees of principal and interest by the U.S. government via the Department of Education 2 ma_CollateralRequirementsMinimumPercentageCollateralToFairValueOfSecuritiesLoanedUnderSecurityLendingTransactions ma false na instant Collateral Requirements, Minimum Percentage, Collateral To Fair Value Of Securities Loaned Under Security Lending... false false false false false false false false false false false false 1 false true false false 0.95 0.95 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false us-types:percentItemType pure Collateral Requirements, Minimum Percentage, Collateral To Fair Value Of Securities Loaned Under Security Lending Transactions No authoritative reference available. false 17 Upper Tier II 0 na true na na No definition available. false true false false false false false false false false false http://www.mastercard.com/taxonomy/role/disclosureinvestmentsecuritiesadditionalinformation false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false false 7 true false false false ma_UpperTierIIMember ma_RangeAxis xbrldi http://xbrl.org/2006/xbrldi ma_UpperTierIIMember ma_RangeAxis explicitMember pure Standard http://www.xbrl.org/2003/instance pure 0 na No definition available. No authoritative reference available. false 19 ARS, collateralized by student loans with guarantees of principal and interest by the U.S. government via the Department of Education 2 ma_CollateralRequirementsMinimumPercentageCollateralToFairValueOfSecuritiesLoanedUnderSecurityLendingTransactions ma false na instant Collateral Requirements, Minimum Percentage, Collateral To Fair Value Of Securities Loaned Under Security Lending... false false false false false false false false false false false false 1 false true false false 0.98 0.98 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false us-types:percentItemType pure Collateral Requirements, Minimum Percentage, Collateral To Fair Value Of Securities Loaned Under Security Lending Transactions No authoritative reference available. false 3 10 false Millions UnKnown UnKnown false true