v3.10.0.1
Revenue Classified by Significant Product and Service Offerings (Detail) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
 [1]
Mar. 31, 2017
 [1]
Dec. 31, 2016
 [1]
Sep. 30, 2016
 [1]
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Revenue from External Customer [Line Items]                      
Revenue $ 30,085 $ 26,819 $ 28,918 $ 24,538 $ 25,605 $ 23,212 $ 25,826 $ 21,928 $ 110,360 $ 96,571 [1] $ 91,154
Office Products and Cloud Services                      
Revenue from External Customer [Line Items]                      
Revenue                 28,316 25,573 23,868
Server Products and Cloud Services                      
Revenue from External Customer [Line Items]                      
Revenue                 26,129 21,649 19,062
Windows                      
Revenue from External Customer [Line Items]                      
Revenue                 19,518 18,593 17,548
Gaming                      
Revenue from External Customer [Line Items]                      
Revenue                 10,353 9,051 9,202
Search Advertising                      
Revenue from External Customer [Line Items]                      
Revenue                 7,012 6,219 5,428
Enterprise Services                      
Revenue from External Customer [Line Items]                      
Revenue                 5,846 5,542 5,659
Devices                      
Revenue from External Customer [Line Items]                      
Revenue                 5,134 5,062 7,888
LinkedIn                      
Revenue from External Customer [Line Items]                      
Revenue                 5,259 2,271 0
Other products and services                      
Revenue from External Customer [Line Items]                      
Revenue                 $ 2,793 $ 2,611 $ 2,499
[1] On December 8, 2016, we acquired LinkedIn Corporation. LinkedIn has been included in our consolidated results of operations starting on the acquisition date.