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Revenue Classified by Significant Product and Service Offerings (Parenthetical) (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Revenue from External Customer [Line Items]        
Revenue $ 51,728 $ 43,076 $ 97,045 $ 80,230
Microsoft Cloud        
Revenue from External Customer [Line Items]        
Revenue $ 22,100 $ 16,700 $ 42,800 $ 31,900