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Subsequent Event - Additional Information (Detail) - Activision Blizzard, Inc. - Subsequent Event $ / shares in Units, $ in Billions | Jan. 18, 2022 USD ($) $ / shares
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Subsequent Event [Line Items] |
Acquisition agreement date | Jan. 18, 2022
Acquisition agreement share price | $ / shares | $ 95.00
Total purchase price to be transferred | $ | $ 68.7

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- Definition Cash to be paid to acquire business. + References No definition available. + Details
Name: | msft_CashToBePaidToAcquireBusiness
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 YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |