2.2.0.25truefalse167 - Disclosure - Segment and Geographic Information (Parenthetical) (Detail)truefalseIn Millionsfalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $eol_PE2163----1010-K0023_STD_365_20101231_0http://www.sec.gov/CIK0000063908duration2010-01-01T00:00:002010-12-31T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepure0YearStandardhttp://www.mcdonalds.com/20101231Yearmcd0sharesStandardhttp://www.xbrl.org/2003/instanceshares0iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $eol_PE2163----1010-K0023_STD_365_20091231_0http://www.sec.gov/CIK0000063908duration2009-01-01T00:00:002009-12-31T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170sharesStandardhttp://www.xbrl.org/2003/instanceshares0iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0pureStandardhttp://www.xbrl.org/2003/instancepure0YearStandardhttp://www.mcdonalds.com/20101231Yearmcd0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $eol_PE2163----1010-K0023_STD_366_20081231_0http://www.sec.gov/CIK0000063908duration2008-01-01T00:00:002008-12-31T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170sharesStandardhttp://www.xbrl.org/2003/instanceshares0iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0pureStandardhttp://www.xbrl.org/2003/instancepure0YearStandardhttp://www.mcdonalds.com/20101231Yearmcd0USDUSD$2true0us-gaap_EntityWideRevenueMajorCustomerLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse< NumericAmount>00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalse3false0us-gaap_RestructuringSettl ementAndImpairmentProvisionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse2910000029.1falsetruefalsefalsefalse2truefalsefalse-61100000-61.1falsetruefalsefalsefalse3truefalsefalse60000006.0falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).No authoritative reference available.falsefalse4false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.mcdonalds.com/taxonomy/role/disclosuresegmentandgeographicinformationparenthetical1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalseUSDtruefalse{us-gaap_StatementBusinessSegmentsAxis} : APMEA 1/1/2010 - 12/31/2010 USD ($) $eol_PE2163----1010-K0023_STD_365_20101231_0_411808x422901http://www.sec.gov/CIK0000063908duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseAPMEAus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldimcd_AsiaPacificMiddleEastAfricaMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2 003/iso4217USDiso42170USDUSD$5falsefalseUSDtruefalse{us-gaap_StatementBusinessSegmentsAxis} : APMEA 1/1/2009 - 12/31/2009 USD ($) $eol_PE2163----1010-K0023_STD_365_20091231_0_411808x422901http://www.sec.gov/CIK0000063908duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseAPMEAus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldimcd_AsiaPacificMiddleEastAfricaMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2 003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse5true0us-gaap_EntityWideRevenueMajorCustomerLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2< IsNumeric>falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalse6false0us-gaap_RestructuringSettlementAndImpairmentProvisionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse4850000048.5falsefalsefalsefalsefalse2truefalsefalse-200000-0.2falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).No authoritative reference available.falsefalse7false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefals efalsefalsefalsehttp://www.mcdonalds.com/taxonomy/role/disclosuresegmentandgeographicinformationparenthetical1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse6falsefalseUSDtruefalse{us-gaap_StatementBusinessSegmentsAxis} : APMEA {us-gaap_StatementGeographicalAxis} : McDonald's 1/1/2010 - 12/31/2010 USD ($) $eol_PE2163----1010-K0023_STD_365_20101231_0_411808x422901_411811x425302http://www.sec.gov/CIK0000063908duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseAPMEAus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldimcd_AsiaPacificMiddleEastAfricaMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberfalsefalseMcDonald'sus-gaap_StatementGeographicalAxisxbrldihttp://xbrl.org/2006/xbrldimcd_McdonaldsJapanMemberus-gaap_StatementGeographicalAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition availab le.No authoritative reference available.falsefalse8true0us-gaap_EntityWideRevenueMajorCustomerLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalse9false0us-gaap_RestructuringSettlementAndImpairmentProvisionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse3930000039.3falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).No authoritative reference available.falsefalse10false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.mcdonalds.com/taxonomy/role/disclosuresegmentandgeographicinformationparenthetical1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse7falsefalseUSDtruefalse{us-gaap_StatementBusinessSegmentsAxis} : Other Countries and Corporate 1/1/2010 - 12/31/2010 USD ($) $eol_PE2163----1010-K0023_STD_365_20101231_0_411808x429326http://www.sec.gov/CIK0000063908duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseOther Countries and Corporateus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldimcd_OtherCountriesAndCorporateMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{us-gaap_StatementBusinessSegmentsAxis} : Other Countries and Corporate 1/1/2009 - 12/31/2009 USD ($) $eol_PE2163----1010-K0023_STD_365_20091231_0_411808x429326http://www.sec.gov/CIK0000063908duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseOther Countries and Corporateus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldimcd_OtherCountriesAndCorporateMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse11true0us-gaap_EntityWideRevenueMajorCustomerLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalse false2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalse12false0us-gaap_RestructuringSettlementAndImpairmentProvisionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-21000000-21.0falsefalsefalsefalsefalse2truefalsefalse-65200000-65.2falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).No authoritative reference available.falsefalse13false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.mcdonalds.com/taxonomy/role/disclosuresegmentandgeographicinformationparenthetical1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse0 0falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse9falsefalseUSDtruefalse{us-gaap_StatementBusinessSegmentsAxis} : Other Countries and Corporate {us-gaap_StatementGeographicalAxis} : Latin America 1/1/2010 - 12/31/2010 USD ($) $eol_PE2163----1010-K0023_STD_365_20101231_0_411808x429326_411811x418028http://www.sec.gov/CIK0000063908duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseOther Countries and Corporateus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldimcd_OtherCountriesAndCorporateMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberfalsefalseLatin Americaus-gaap_StatementGeographicalAxisxbrldihttp://xbrl.org/2006/xbrldimcd_LatinAmericaMemberus-gaap_StatementGeographicalAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10falsefalseUSDtruefalse{us-gaap_StatementBusinessSegmentsAxis} : Other Countries and Corporate {us-gaap_StatementGeographicalAxis} : Latin America 1/1/2009 - 12/31/2009 USD ($) $eol_PE2163----1010-K0023_STD_365_20091231_0_411808x429326_411811x418028http://www.sec.gov/CIK0000063908duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseOther Countries and Corporateus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldimcd_OtherCountriesAndCorporateMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberfalsefalseLatin Americaus-gaap_StatementGeographicalAxisxbrldihttp://xbrl.org/2006/xbrldimcd_LatinAmericaMemberus-gaap_StatementGeographicalAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse14true0us-gaap_EntityWideRevenueMajorCustomerLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse 1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsef alsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalse15false0us-gaap_RestructuringSettlementAndImpairmentProvisionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse< NumericAmount>-21000000-21.0falsetruefalsefalsefalse2truefalsefalse-65200000-65.2falsetruefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).No authoritative reference available.falsefalse314Segment and Geographic Information (Parenthetical) (Detail) (USD $)HundredThousandsUnKnownUnKnownUnKnownfalsetrue