v3.19.2
Revenue Classified by Major Geographic Areas (Detail) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenues $ 33,717 $ 30,571 $ 32,471 $ 29,084 $ 30,085 $ 26,819 $ 28,918 $ 24,538 $ 125,843 $ 110,360 $ 96,571
United States                      
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenues [1]                 64,199 55,926 51,078
Other Countries                      
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenues                 $ 61,644 $ 54,434 $ 45,493
[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.