2.2.0.25falsefalse40401 - Disclosure - Non-Cash Investing and Financing Activities (Non-Cash Investing and Financing Information) (Details)truefalseIn Millions, unless otherwise specifiedfalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011
USD ($)
USD ($) / shares
$Duration_1_1_2011_To_3_31_2011http://www.sec.gov/CIK0001141391duration2011-01-01T00:00:002011-03-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit15Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2falsefalseUSDfalsefalse1/1/2010 - 3/31/2010
USD ($)
USD ($) / shares
$Duration_1_1_2010_To_3_31_2010http://www.sec.gov/CIK0001141391duration2010-01-01T00:00:002010-03-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit15Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0us-gaap_SupplementalCashFlowInformationAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse3false0us-gaap_DividendsPayableAmountus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2000000020falsetruefalsefalsefalse2truefalsefalse2000000020falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount of dividends declared, but not paid, as of the financial reporting date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32
falsefalse4false0ma_SoftwareLicensesFinancedmafalsecreditdurationSoftware Licenses Financedfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse1000000010falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySoftware Licenses FinancedNo authoritative reference available.falsefalse5false0ma_AssetsRecordedPursuantToCapitalLeasemafalsecreditdurationAssets Recorded Pursuant to Capital Leasefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-3000000-3falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAssets Recorded Pursuant to Capital LeaseNo authoritative reference available.falsefalse6false0us-gaap_CapitalLeaseObligationsIncurredus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse30000003falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe increase during the period in capital lease obligations due to entering into new capital leases.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32
falsefalse7false0ma_PeriodOfLeaseContractmafalsenadurationPeriod of Lease Contractfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse1010falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:integerItemTypeintegerPeriod of Lease ContractNo authoritative reference available.falsefalse8false0ma_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassBuildingAndLandmafalsedebitinstantCapital Leases, Lessee Balance Sheet, Assets by Major Class, Building and Landfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse154000000154falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCapital Leases, Lessee Balance Sheet, Assets by Major Class, Building and LandNo authoritative reference available.falsefalse9false0ma_RevenueBondsReceivedmafalsedebitdurationThe aggregate amount of revenue bonds received.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse154000000154falsetruefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount of revenue bonds received.No authoritative reference available.falsefalse28Non-Cash Investing and Financing Activities (Non-Cash Investing and Financing Information) (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruetrue