Revenue Classified by Significant Product and Service Offerings (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Revenue from External Customer [Line Items]
Revenue	$ 69,632	$ 62,020	$ 135,217	$ 118,537
Server Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	23,641	19,597	45,796	37,659
Microsoft 365 Commercial Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	21,117	18,321	41,566	36,365
Gaming
Revenue from External Customer [Line Items]
Revenue	6,581	7,111	12,202	11,030
LinkedIn
Revenue from External Customer [Line Items]
Revenue	4,587	4,195	8,879	8,108
Windows and Devices
Revenue from External Customer [Line Items]
Revenue	4,512	4,363	8,841	8,703
Search and News Advertising
Revenue from External Customer [Line Items]
Revenue	3,558	3,168	6,783	6,186
Enterprise and Partner Services
Revenue from External Customer [Line Items]
Revenue	1,892	1,917	3,820	3,861
Dynamics Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	1,913	1,659	3,762	3,285
Microsoft 365 Consumer Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	1,821	1,679	3,548	3,322
Other
Revenue from External Customer [Line Items]
Revenue	$ 10	$ 10	$ 20	$ 18