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.

No definition available.

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TechnologyBasedIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_MarketingRelatedIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ContractualRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=msft_GitHubIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=msft_LinkedInCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Acquired Intangible Assets (Detail) - USD ($) $ in Millions			12 Months Ended
Acquired Intangible Assets (Detail) - USD ($) $ in Millions	Oct. 25, 2018	Dec. 08, 2016	Jun. 30, 2019	Jun. 30, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life			7 years	5 years
Customer-related
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life			8 years	5 years
Technology-based
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life			5 years	4 years
Marketing-related
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life			10 years	5 years
Contract-based
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life			3 years	4 years
GitHub, Inc.
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired	$ 1,267		$ 1,300
Weighted Average Life	7 years
GitHub, Inc. \| Customer-related
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired	$ 648
Weighted Average Life	8 years
GitHub, Inc. \| Technology-based
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired	$ 447
Weighted Average Life	5 years
GitHub, Inc. \| Marketing-related
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired	$ 170
Weighted Average Life	10 years
GitHub, Inc. \| Contract-based
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired	$ 2
Weighted Average Life	2 years
LinkedIn Corporation
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired		$ 7,887
Weighted Average Life		9 years
LinkedIn Corporation \| Customer-related
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired		$ 3,607
Weighted Average Life		7 years
LinkedIn Corporation \| Technology-based
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired		$ 2,109
Weighted Average Life		3 years
LinkedIn Corporation \| Marketing-related
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired		$ 2,148
Weighted Average Life		20 years
LinkedIn Corporation \| Contract-based
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired		$ 23
Weighted Average Life		5 years