2.2.0.7trueFair Value - Additional Information (Detail) (USD $)151 - Disclosure - Fair Value - Additional Information (Detail)truefalseIn Millionsfalsefalse1USDfalsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepure0sharesStandardhttp://www.xbrl.org/2003/instanceshares0$false2USDfalsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepure0sharesStandardhttp://www.xbrl.org/2003/instanceshares0$22ma_PercentageOfFairValueOfInvestmentsUsingDiscountedCashFlowPricingModelmafalsenainstantPercentage of fair value of investments using Discounted Cash Flow pricing modelfalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse0.150.15falsefalsefalse2falsetruefalsefalse0.150.15falsefalsefalseus-types:percentItemTypepurePercentage of fair value of investments using Discounted Cash Flow pricing modelNo authoritative reference available.false32us-gaap_LongTermDebtus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalsefalse2100000021falsefalsefalse2truetruefalsefalse2200000022falsefalsefalsexbrli:monetaryItemTypemonetaryIncluding current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5
false42ma_LongTermDebtFairValuemafalsecreditinstantThe fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse2100000021falsefalsefalse2falsetruefalsefalse2200000022falsefalsefalsexbrli:monetaryItemTypemonetaryThe fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.No authoritative reference available.false52us-gaap_LitigationReserveus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabelfalse1falsetruefalsefalse444000000444falsefalsefalse2falsetruefalsefalse870000000870falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.No authoritative reference available.false60natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.mastercard.com/taxonomy/role/disclosurefairvalueadditionalinformationfalse1falsefalsefalsefalse00falsefalsefalse2falsefalsefalsefalse00falsefalsefalsefalse3USDtruefalsefalsefalsePortion at Fair Value, Fair Value Disclosureus-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PortionAtFairValueFairValueDisclosureMemberus-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$false4USDtruefalsefalsefalsePortion at Fair Value, Fair Value Disclosureus-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PortionAtFairValueFairValueDisclosureMemberus-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$naNo definition available.No authoritative reference available.false102us-gaap_LitigationReserveus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabelfalse1truetruefalsefalse453000000453falsefalsefalse2truetruefalsefalse895000000895falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.No authoritative reference available.false26falseMillionsUnKnownUnKnownfalsetrue