2.2.0.25falsefalse42501 - Disclosure - Segment Reporting (Details)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010
USD ($) / shares
USD ($)
$Duration_1_1_2010_To_12_31_2010http://www.sec.gov/CIK0001141391duration2010-01-01T00:00:002010-12-31T00:00:00Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit16Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009
USD ($)
USD ($) / shares
$Duration_1_1_2009_To_12_31_2009http://www.sec.gov/CIK0001141391duration2009-01-01T00:00:002009-12-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit16Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008
USD ($)
USD ($) / shares
$Duration_1_1_2008_To_12_31_2008http://www.sec.gov/CIK0001141391duration2008-01-01T00:00:002008-12-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit16Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0ma_SegmentReportingDisclosureAbstractmafalsenadurationSegment Reporting Disclosurefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringSegment Reporting Disclosurefalsefalse3false0ma_EntityWideDisclosureOnGeographicAreasPercentOfRevenueFromExternalCustomersAttributedToEntitySCountryOfDomicilemafalsenadurationEntity-Wide Disclosure on Geographic Areas, Percent Of Revenue from External Customers Attributed to Entity's Country of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse0.4160.416falsefalsefalsefalsefalse2truetruefalse0.4240.424falsefalsefalsefalsefalse3truetruefalse0.4410.441falsefalsefalsefalsefalseOther
us-types:percentItemTypepureEntity-Wide Disclosure on Geographic Areas, Percent Of Revenue from External Customers Attributed to Entity's Country of DomicileNo authoritative reference available.falsefalse4false0ma_EntityWideDisclosureOnGeographicAreasPercentOfRevenueFromExternalCustomersAttributedToEntityCountryOfDomicileTotalRevuesmafalsenadurationEntity Wide Disclosure On Geographic Areas Percent Of Revenue From External Customers Attributed To Entity Country Of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse0000falsefalsefalsefalsefalse2falsefalsefalse0000falsefalsefalsefalsefalse3falsefalsefalse0000falsefalsefalsefalse<
/hasSegments>falseOtherxbrli:stringItemTypestringEntity Wide Disclosure On Geographic Areas Percent Of Revenue From External Customers Attributed To Entity Country Of Domicile Total RevuesNo authoritative reference available.falsefalse5false0ma_EntityWideDisclosureOnGeographicAreasPercentOfRevenueFromExternalCustomersAttributedToEntityCountryOfDomicileForNetRevenuesmafalsenadurationEntity Wide Disclosure On Geographic Area
s Percent Of Revenue From External Customers Attributed To Entity Country Of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse0000falsefalsefalsefalsefalse2falsefalsefalse0000falsefalsefalsefalsefalse3falsefalsefalse0000falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringEntity Wide Disclosure On Geographic Areas Percent Of Revenue From External Customers Attributed To Entity Country Of Domicile Net RevenuesNo authoritative reference available.falsefalse34Segment Reporting (Details)UnKnownUnKnownUnKnownUnKnowntruetrue
