v3.21.2
Revenue Classified by Major Geographic Areas (Detail) - USD ($)
$ in Millions
 3 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenues $ 45,317 $ 37,154
United States    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenues [1] 22,830 19,025
Other Countries    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenues $ 22,487 $ 18,129
[1] Includes billings to OEMs and certain multinational organizations because of the nature of these businesses and the impracticability of determining the geographic source of the revenue.