Unearned Revenue by Segment (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 30, 2024
Contract With Customer Liability [Line Items]
Unearned revenue	$ 55,689	$ 60,184
Productivity and Business Processes
Contract With Customer Liability [Line Items]
Unearned revenue	40,429	43,599
Intelligent Cloud
Contract With Customer Liability [Line Items]
Unearned revenue	12,397	13,683
More Personal Computing
Contract With Customer Liability [Line Items]
Unearned revenue	$ 2,863	$ 2,902