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2.2.0.7 false Property, Plant and Equipment - Additional Information (Detail) (USD $) 161 - Disclosure - Property, Plant and Equipment - 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 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 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 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 4 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 5 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 $ 5 3 us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipment us-gaap true debit instant No definition available. false false false false false false false false false false false false 1 true true false false 13000000 13 false false false 2 false false false false 0 0 false false false 3 true true false false 13000000 13 false false false 4 false false false false 0 0 false false false 5 true true false false 14000000 14 false false false xbrli:monetaryItemType monetary Long-lived depreciable assets not included within other defined categories that are subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(i) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 false 6 3 ma_AccumulatedAmortizationPropertyUnderCapitalLease ma false credit instant The cumulative amount of amortization (related to property under capital lease) that has been recognized in the income... false false false false false false false false false false false false 1 false true false false 6000000 6 false false false 2 false false false false 0 0 false false false 3 false true false false 6000000 6 false false false 4 false false false false 0 0 false false false 5 false true false false 6000000 6 false false false xbrli:monetaryItemType monetary The cumulative amount of amortization (related to property under capital lease) that has been recognized in the income statement. No authoritative reference available. false 7 3 ma_AdjustmentDepreciationAndAmortization ma false debit duration The current period expense charged against earnings on long-lived, physical assets used in the normal conduct of business and... false false false false false false false false false false false false 1 true true false false 18000000 18 false false false 2 true true false false 19000000 19 false false false 3 true true false false 51000000 51 false false false 4 true true false false 55000000 55 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The current period expense charged against earnings on long-lived, physical assets used in the normal conduct of business and not intended for resale to allocate or recognize the cost of assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset. Examples include buildings, production equipment and customer lists. No authoritative reference available. false 5 3 false Millions UnKnown UnKnown false true