Unearned Revenue by Segment (Detail) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024
Contract With Customer Liability [Line Items]
Unearned revenue	$ 67,265	$ 60,184
Productivity and Business Processes
Contract With Customer Liability [Line Items]
Unearned revenue	50,567	43,599
Intelligent Cloud
Contract With Customer Liability [Line Items]
Unearned revenue	14,022	13,683
More Personal Computing
Contract With Customer Liability [Line Items]
Unearned revenue	$ 2,676	$ 2,902

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

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