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Business Combinations - Additional Information (Detail) - ZeniMax Media Inc. $ in Billions | Sep. 19, 2020 USD ($)
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Business Acquisition [Line Items] |
Total purchase price to be transferred | $ 7.5
Acquisition agreement date | Sep. 19, 2020

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- Definition Cash to be paid to acquire business. + References No definition available. + Details
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Namespace Prefix: | msft_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Date when the business acquisition agreement was executed, in CCYY-MM-DD format. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Line 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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=msft_ZeniMaxMediaIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |