v3.10.0.1
Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
 [3]
Mar. 31, 2017
 [3]
Dec. 31, 2016
 [3]
Sep. 30, 2016
 [3]
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Earnings Per Share Basic And Diluted [Abstract]                      
Net income available for common shareholders (A) $ 8,873 [1] $ 7,424 [1] $ (6,302) [1] $ 6,576 [1] $ 8,069 [2] $ 5,486 $ 6,267 $ 5,667 $ 16,571 [1] $ 25,489 [2],[3] $ 20,539
Weighted average outstanding shares of common stock (B)                 7,700 7,746 7,925
Dilutive effect of stock-based awards                 94 86 88
Common stock and common stock equivalents (C)                 7,794 7,832 8,013
Earnings Per Share                      
Basic (A/B) $ 1.15 $ 0.96 $ (0.82) $ 0.85 $ 1.05 $ 0.71 $ 0.81 $ 0.73 $ 2.15 $ 3.29 [3] $ 2.59
Diluted (A/C) $ 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],[3] $ 2.56
[1] 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.
[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] On December 8, 2016, we acquired LinkedIn Corporation. LinkedIn has been included in our consolidated results of operations starting on the acquisition date.
[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.