2.4.0.6 Html 596 299 1 true 125 0 false 8 false false R1.htm 101 - Document - Document and Entity Information Sheet http://www.microsoft.com/taxonomy/role/DocumentDocumentandEntityInformation Document and Entity Information false false R2.htm 103 - Statement - Income Statements Sheet http://www.microsoft.com/taxonomy/role/StatementOfIncome Income Statements false false R3.htm 104 - Statement - Comprehensive Income Statements Sheet http://www.microsoft.com/taxonomy/role/StatementOfOtherComprehensiveIncome Comprehensive Income Statements false false R4.htm 105 - Statement - Comprehensive Income Statements (Parenthetical) Sheet http://www.microsoft.com/taxonomy/role/StatementOfOtherComprehensiveIncomeParenthetical Comprehensive Income Statements (Parenthetical) true false R5.htm 106 - Statement - Balance Sheets Sheet http://www.microsoft.com/taxonomy/role/StatementOfFinancialPositionClassified Balance Sheets false false R6.htm 107 - Statement - Balance Sheets (Parenthetical) Sheet http://www.microsoft.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical Balance Sheets (Parenthetical) false false R7.htm 108 - Statement - Cash Flows Statements Sheet http://www.microsoft.com/taxonomy/role/StatementOfCashFlowsIndirect Cash Flows Statements false false R8.htm 109 - Statement - Stockholders' Equity Statements Sheet http://www.microsoft.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome Stockholders' Equity Statements false false R9.htm 110 - Disclosure - Accounting Policies Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock Accounting Policies false false R10.htm 111 - Disclosure - Earnings Per Share Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock Earnings Per Share false false R11.htm 112 - Disclosure - Other Income (Expense) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlock Other Income (Expense) false false R12.htm 113 - Disclosure - Investments Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlock Investments false false R13.htm 114 - Disclosure - Derivatives Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock Derivatives false false R14.htm 115 - Disclosure - Fair Value Measurements Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlock Fair Value Measurements false false R15.htm 116 - Disclosure - Inventories Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlock Inventories false false R16.htm 117 - Disclosure - Business Combinations Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsMergersAcquisitionsAndDispositionsDisclosuresTextBlock Business Combinations false false R17.htm 118 - Disclosure - Goodwill Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsGoodwillDisclosureTextBlock Goodwill false false R18.htm 119 - Disclosure - Intangible Assets Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsIntangibleAssetsDisclosureTextBlock Intangible Assets false false R19.htm 120 - Disclosure - Debt Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlock Debt false false R20.htm 121 - Disclosure - Income Taxes Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock Income Taxes false false R21.htm 122 - Disclosure - Unearned Revenue Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsDeferredRevenueDisclosureTextBlock Unearned Revenue false false R22.htm 123 - Disclosure - Commitments and Guarantees Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndGuaranteesDisclosureTextBlock Commitments and Guarantees false false R23.htm 124 - Disclosure - Contingencies Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsLegalMattersAndContingenciesTextBlock Contingencies false false R24.htm 125 - Disclosure - Stockholders' Equity Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlock Stockholders' Equity false false R25.htm 126 - Disclosure - Segment Information Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock Segment Information false false R26.htm 127 - Disclosure - Accounting Policies (Policies) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies Accounting Policies (Policies) false false R27.htm 128 - Disclosure - Earnings Per Share (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlockTables Earnings Per Share (Tables) false false R28.htm 129 - Disclosure - Other Income (Expense) (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlockTables Other Income (Expense) (Tables) false false R29.htm 130 - Disclosure - Investments (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlockTables Investments (Tables) false false R30.htm 131 - Disclosure - Derivatives (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlockTables Derivatives (Tables) false false R31.htm 132 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlockTables Fair Value Measurements (Tables) false false R32.htm 133 - Disclosure - Inventories (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlockTables Inventories (Tables) false false R33.htm 134 - Disclosure - Business Combinations (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsMergersAcquisitionsAndDispositionsDisclosuresTextBlockTables Business Combinations (Tables) false false R34.htm 135 - Disclosure - Goodwill (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsGoodwillDisclosureTextBlockTables Goodwill (Tables) false false R35.htm 136 - Disclosure - Intangible Assets (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsIntangibleAssetsDisclosureTextBlockTables Intangible Assets (Tables) false false R36.htm 137 - Disclosure - Debt (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlockTables Debt (Tables) false false R37.htm 138 - Disclosure - Unearned Revenue (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsDeferredRevenueDisclosureTextBlockTables Unearned Revenue (Tables) false false R38.htm 139 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlockTables Stockholders' Equity (Tables) false false R39.htm 140 - Disclosure - Segment Information (Tables) Sheet http://www.microsoft.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables Segment Information (Tables) false false R40.htm 141 - Disclosure - Basic and Diluted Earnings Per Share (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureBasicAndDilutedEarningsPerShare Basic and Diluted Earnings Per Share (Detail) false false R41.htm 142 - Disclosure - Earnings Per Share - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureEarningsPerShareAdditionalInformation Earnings Per Share - Additional Information (Detail) false false R42.htm 143 - Disclosure - Components of Other Income (Expense) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureComponentsOfOtherIncomeExpense Components of Other Income (Expense) (Detail) false false R43.htm 144 - Disclosure - Other Income (Expense) - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureOtherIncomeExpenseAdditionalInformation Other Income (Expense) - Additional Information (Detail) false false R44.htm 145 - Disclosure - Net Recognized Gains (Losses) on Investments (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureNetRecognizedGainsLossesOnInvestments Net Recognized Gains (Losses) on Investments (Detail) false false R45.htm 146 - Disclosure - Investment Components, Including Associated Derivatives (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureInvestmentComponentsIncludingAssociatedDerivatives Investment Components, Including Associated Derivatives (Detail) false false R46.htm 147 - Disclosure - Unrealized Loss Position Investments (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureUnrealizedLossPositionInvestments Unrealized Loss Position Investments (Detail) false false R47.htm 148 - Disclosure - Investments - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureInvestmentsAdditionalInformation Investments - Additional Information (Detail) false false R48.htm 149 - Disclosure - Debt Investment Maturities (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureDebtInvestmentMaturities Debt Investment Maturities (Detail) false false R49.htm 150 - Disclosure - Derivatives - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureDerivativesAdditionalInformation Derivatives - Additional Information (Detail) false false R50.htm 151 - Disclosure - Fair Values of Derivative Instruments (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureFairValuesOfDerivativeInstruments Fair Values of Derivative Instruments (Detail) false false R51.htm 152 - Disclosure - Gains (Losses) on Fair Value Hedges and Related Hedged Items (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureGainsLossesOnFairValueHedgesAndRelatedHedgedItems Gains (Losses) on Fair Value Hedges and Related Hedged Items (Detail) false false R52.htm 153 - Disclosure - Gains (Losses) Related to Cash Flow Hedges (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureGainsLossesRelatedToCashFlowHedges Gains (Losses) Related to Cash Flow Hedges (Detail) false false R53.htm 154 - Disclosure - Gains (Losses) Related to Cash Flow Hedges (Parenthetical) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureGainsLossesRelatedToCashFlowHedgesParenthetical Gains (Losses) Related to Cash Flow Hedges (Parenthetical) (Detail) false false R54.htm 155 - Disclosure - Non-Designated Derivative Gains (Losses) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureNonDesignatedDerivativeGainsLosses Non-Designated Derivative Gains (Losses) (Detail) false false R55.htm 156 - Disclosure - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) false false R56.htm 157 - Disclosure - Reconciliation of Total Assets Measured at Fair Value on Recurring Basis to Balance Sheet Presentation (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureReconciliationOfTotalAssetsMeasuredAtFairValueOnRecurringBasisToBalanceSheetPresentation Reconciliation of Total Assets Measured at Fair Value on Recurring Basis to Balance Sheet Presentation (Detail) false false R57.htm 158 - Disclosure - Changes in Financial Instruments Measured at Level 3 Fair Value on Recurring Basis (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureChangesInFinancialInstrumentsMeasuredAtLevel3FairValueOnRecurringBasis Changes in Financial Instruments Measured at Level 3 Fair Value on Recurring Basis (Detail) false false R58.htm 159 - Disclosure - Components of Inventories (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureComponentsOfInventories Components of Inventories (Detail) false false R59.htm 160 - Disclosure - Business Combinations - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureBusinessCombinationsAdditionalInformation Business Combinations - Additional Information (Detail) false false R60.htm 161 - Disclosure - Acquired Intangible Assets (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureAcquiredIntangibleAssets Acquired Intangible Assets (Detail) false false R61.htm 162 - Disclosure - Carrying Amount of Goodwill (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureCarryingAmountOfGoodwill Carrying Amount of Goodwill (Detail) false false R62.htm 163 - Disclosure - Finite-Lived Intangible Assets (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureFiniteLivedIntangibleAssets Finite-Lived Intangible Assets (Detail) false false R63.htm 164 - Disclosure - Finite-Lived Intangible Assets (Parenthetical) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureFiniteLivedIntangibleAssetsParenthetical Finite-Lived Intangible Assets (Parenthetical) (Detail) false false R64.htm 165 - Disclosure - Intangible Assets - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformation Intangible Assets - Additional Information (Detail) false false R65.htm 166 - Disclosure - Estimated Future Amortization Expense Related to Intangible Assets (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureEstimatedFutureAmortizationExpenseRelatedToIntangibleAssets Estimated Future Amortization Expense Related to Intangible Assets (Detail) false false R66.htm 167 - Disclosure - Debt - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureDebtAdditionalInformation Debt - Additional Information (Detail) false false R67.htm 168 - Disclosure - Long-term Debt (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureLongtermDebt Long-term Debt (Detail) false false R68.htm 169 - Disclosure - Long-term Debt (Parenthetical) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureLongtermDebtParenthetical Long-term Debt (Parenthetical) (Detail) false false R69.htm 170 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation Income Taxes - Additional Information (Detail) false false R70.htm 171 - Disclosure - Income Taxes - Additional Information Regarding Examinations (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationRegardingExaminations Income Taxes - Additional Information Regarding Examinations (Detail) false false R71.htm 172 - Disclosure - Components of Unearned Revenue (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureComponentsOfUnearnedRevenue Components of Unearned Revenue (Detail) false false R72.htm 173 - Disclosure - Components of Unearned Revenue (Parenthetical) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureComponentsOfUnearnedRevenueParenthetical Components of Unearned Revenue (Parenthetical) (Detail) false false R73.htm 174 - Disclosure - Unearned Revenue by Segment (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureUnearnedRevenueBySegment Unearned Revenue by Segment (Detail) false false R74.htm 175 - Disclosure - Commitments And Guarantees - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureCommitmentsAndGuaranteesAdditionalInformation Commitments And Guarantees - Additional Information (Detail) false false R75.htm 176 - Disclosure - Contingencies - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureContingenciesAdditionalInformation Contingencies - Additional Information (Detail) false false R76.htm 177 - Disclosure - Share Repurchases (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureShareRepurchases Share Repurchases (Detail) false false R77.htm 178 - Disclosure - Stockholders' Equity - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureStockholdersEquityAdditionalInformation Stockholders' Equity - Additional Information (Detail) false false R78.htm 179 - Disclosure - Dividends Declared (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureDividendsDeclared Dividends Declared (Detail) false false R79.htm 180 - Disclosure - Segment Information - Additional Information (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureSegmentInformationAdditionalInformation Segment Information - Additional Information (Detail) false false R80.htm 181 - Disclosure - Segment Revenue and Operating Income (Loss) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureSegmentRevenueAndOperatingIncomeLoss Segment Revenue and Operating Income (Loss) (Detail) false false R81.htm 182 - Disclosure - Significant Reconciling Items (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureSignificantReconcilingItems Significant Reconciling Items (Detail) false false R82.htm 183 - Disclosure - Significant Reconciling Items (Parenthetical) (Detail) Sheet http://www.microsoft.com/taxonomy/role/DisclosureSignificantReconcilingItemsParenthetical Significant Reconciling Items (Parenthetical) (Detail) false false All Reports Book All Reports Element us-gaap_DebtInstrumentFaceAmount had a mix of decimals attribute values: -7 -6. 'Monetary' elements on report '167 - Disclosure - Debt - Additional Information (Detail)' had a mix of different decimal attribute values. Process Flow-Through: 103 - Statement - Income Statements Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2011' Process Flow-Through: 104 - Statement - Comprehensive Income Statements Process Flow-Through: 105 - Statement - Comprehensive Income Statements (Parenthetical) Process Flow-Through: 106 - Statement - Balance Sheets Process Flow-Through: Removing column 'Sep. 30, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: Removing column 'Sep. 30, 2011' Process Flow-Through: Removing column 'Jun. 30, 2011' Process Flow-Through: 107 - Statement - Balance Sheets (Parenthetical) Process Flow-Through: 108 - Statement - Cash Flows Statements msft-20121231.xml msft-20121231.xsd msft-20121231_cal.xml msft-20121231_def.xml msft-20121231_lab.xml msft-20121231_pre.xml true true