XML 118 R107.htm IDEA: XBRL DOCUMENT v2.4.1.9
Segment Reporting (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule of Property, Plant and Equipment, by Geographical Segment      
Property, Plant and Equipment, Net $ 615us-gaap_PropertyPlantAndEquipmentNet $ 526us-gaap_PropertyPlantAndEquipmentNet $ 472us-gaap_PropertyPlantAndEquipmentNet
United States      
Schedule of Property, Plant and Equipment, by Geographical Segment      
Property, Plant and Equipment, Net 450us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US		 410us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US		 394us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US
Outside the United States      
Schedule of Property, Plant and Equipment, by Geographical Segment      
Property, Plant and Equipment, Net $ 165us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= ma_OutsidetheUnitedStatesMember		 $ 116us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= ma_OutsidetheUnitedStatesMember		 $ 78us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= ma_OutsidetheUnitedStatesMember