v3.25.4

Unearned Revenue - Additional Information (Detail) $ in Billions	Dec. 31, 2025 USD ($)
Contract With Customer Liability [Line Items]
Revenue allocated to remaining performance obligations	$ 631
Commercial Customers
Contract With Customer Liability [Line Items]
Revenue allocated to remaining performance obligations	$ 625
Weighted-average duration of remaining performance obligation	2 years 6 months

X

- Definition

Contract with Customer Liability [Line Items]

+ References

No definition available.

+ Details

Name:	msft_ContractWithCustomerLiabilityLineItems
Namespace Prefix:	msft_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Remaining weighted-average duration of performance obligation.

+ References

No definition available.

+ Details

Name:	msft_RevenueRemainingPerformanceObligationWeightedAverageDuration
Namespace Prefix:	msft_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

+ Details

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	srt_MajorCustomersAxis=msft_CommercialCustomersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: