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Subsequent Event - Additional Information (Detail) - Nuance Communications Inc - Subsequent Event $ / shares in Units, $ in Billions	Apr. 11, 2021 USD ($) $ / shares
Subsequent Event [Line Items]
Acquisition agreement date	Apr. 11, 2021
Acquisition agreement share price | $ / shares	$ 56.00
Total purchase price to be transferred | $	$ 19.7

X

- 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

X

- 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_
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X

- 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

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

X

- 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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