v3.25.4

Accounting Policies - Additional Information (Detail) - USD ($) $ in Billions	Dec. 31, 2025	Jun. 30, 2025
Significant Accounting Policies [Line Items]
Long-term accounts receivable, net of allowance for doubtful accounts	$ 5.3	$ 5.2
Other receivables related to purchase of components	15.1	8.2
Financing receivables, net	$ 2.7	$ 4.3
OpenAI Global, LLC
Significant Accounting Policies [Line Items]
Equity method of accounting investment percentage	27.00%
Total funding commitments	$ 13.0
Amount funded	$ 11.7

X

- Definition

Equity method investments funded.

+ References

No definition available.

+ Details

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Namespace Prefix:	msft_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Total funding commitments made related to equity method investments.

+ References

No definition available.

+ Details

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Namespace Prefix:	msft_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount, after allowance for credit loss, of financing receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	msft_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Other receivables related to purchase of components.

+ References

No definition available.

+ Details

Name:	msft_OtherReceivablesRelatedToPurchaseOfComponents
Namespace Prefix:	msft_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Significant accounting policies.

+ References

No definition available.

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X

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(9))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

+ Details

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

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

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Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:
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Period Type: