2.2.0.25falsefalse150 - Disclosure - Other Operating (Income) Expense, Net (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$4true0us-gaap_ComponentOfOtherIncomeNonoperatingLineItemsus-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.falsefalse5false0mcd_GainOnSaleOfRe staurantBusinessesmcdfalsecreditdurationGains from sales of Company-operated restaurants as well as gains from exercises of purchase options by franchisees with...falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-79400000-79.4falsetruefalsefalsefalse2truefalsefalse-113300000-113.3falsetruefalsefalsefalse3truefalsefalse-126500000-126.5falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryGains from sales of Company-operated restaurants as well as gains from exercises of purchase options by franchisees with business facilities lease arrangements.No authoritative reference available.falsefalse6false0us-gaap_IncomeLossFromEquityMethodInvestmentsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-164300000-164.3falsefalsefalsefalsefalse2truefalsefalse-167800000-167.8falsefalsefalsefalsefalse3truefalsefalse-110700000-110.7falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 19 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 6 -Subparagraph b falsefalse7false0mcd_AssetDispositionAndOtherExpensemcdfalsecreditdurationGains or losses on excess property and other asset dispositions, provisions for restaurant closings and uncollectible...falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse4550000045.5falsefalsefalsefalsefalse2truefalsefalse5880000058.8falsefalsefalsefalsefalse3truefalsefalse7200000072.0falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryGains or losses on excess property and other asset dispositions, provisions for restaurant closings and uncollectible receivables, asset write-offs due to restaurant reinvestment, and other miscellaneous income and expenses.No authoritative reference av ailable.falsefalse8false0mcd_OtherOperatingIncomeExpensemcdfalsecreditdurationThe total amount of other operating income and expenses, net, not previously categorized, from items that are associated with...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotall abel1truefalsefalse-198200000-198.2falsetruefalsefalsefalse2truefalsefalse-222300000-222.3falsetruefalsefalsefalse3truefalsefalse-165200000-165.2falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe total amount of other operating income and expenses, net, not previously categorized, from items that are associated with the entity's normal revenue producing operation.No authoritative reference available.truefalse35Other Operating (Income) Expense, Net (Detail) (USD $)HundredThousandsUnKnownUnKnownUnKnownfalsetrue