v3.10.0.1
Quarterly Information (Unaudited) (Detail) - USD ($)
$ / shares in Units, $ 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
 [1]
Jun. 30, 2016
Quarterly Financial Information Disclosure [Abstract]                      
Revenue $ 30,085 $ 26,819 $ 28,918 $ 24,538 $ 25,605 $ 23,212 $ 25,826 $ 21,928 $ 110,360 $ 96,571 $ 91,154
Gross margin 20,343 17,550 17,854 16,260 17,149 15,152 15,925 14,084 72,007 62,310 58,374
Operating income 10,379 8,292 8,679 7,708 7,682 [2] 6,723 7,905 6,715 35,058 29,025 [2] 26,078
Net income (loss) $ 8,873 [3] $ 7,424 [3] $ (6,302) [3] $ 6,576 [3] $ 8,069 [2] $ 5,486 $ 6,267 $ 5,667 $ 16,571 [3] $ 25,489 [2] $ 20,539
Basic earnings (loss) per share $ 1.15 $ 0.96 $ (0.82) $ 0.85 $ 1.05 $ 0.71 $ 0.81 $ 0.73 $ 2.15 $ 3.29 $ 2.59
Diluted earnings (loss) per share $ 1.14 [4] $ 0.95 [4] $ (0.82) [4] $ 0.84 [4] $ 1.03 [2] $ 0.70 $ 0.80 $ 0.72 $ 2.13 [4] $ 3.25 [2] $ 2.56
[1] On December 8, 2016, we acquired LinkedIn Corporation. LinkedIn has been included in our consolidated results of operations starting on the acquisition date.
[2] Includes $306 million of employee severance expenses primarily related to our sales and marketing restructuring plan, which decreased operating income, net income, and diluted EPS by $306 million, $243 million, and $0.04, respectively.
[3] Reflects the net charge (benefit) related to the TCJA of $13.8 billion for the second quarter, $(104) million for the fourth quarter, and $13.7 billion for fiscal year 2018.
[4] Reflects the net charge (benefit) related to the TCJA, which decreased (increased) diluted EPS $1.78 for the second quarter, $(0.01) for the fourth quarter, and $1.75 for fiscal year 2018.