2.2.0.25truefalse172 - Disclosure - Share-based Compensation - Additional Information (Detail)truefalseIn Millions, unless otherwise specifiedfalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010
USD ($)
USD ($) / shares
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USD ($)
USD ($) / shares
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USD ($)
USD ($) / shares
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USD ($) / shares
USD ($)
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12/31/2010
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fShareBasedCompensationArrangementByShareBasedPaymentAwardAxis} : Stock Option
1/1/2010 - 12/31/2010
USD ($)
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1/1/2009 - 12/31/2009
USD ($)
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tandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{mcd_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAxis} : Stock Option
1/1/2008 - 12/31/2008
USD ($)
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1/1/2010 - 12/31/2010
USD ($)
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