v3.7.0.1
GOODWILL (Details)
$ in Millions
 3 Months Ended
Aug. 31, 2017
USD ($)
Goodwill [Line Items]  
Balances at period start $ 43,045
Goodwill adjustments, net (25) [1]
Balances at period end 43,020
Cloud and On-Premise Software [Member]  
Goodwill [Line Items]  
Balances at period start 38,791
Goodwill adjustments, net (25) [1]
Balances at period end 38,766
Hardware [Member]  
Goodwill [Line Items]  
Balances at period start 2,367
Goodwill adjustments, net 0 [1]
Balances at period end 2,367
Services [Member]  
Goodwill [Line Items]  
Balances at period start 1,887
Goodwill adjustments, net 0 [1]
Balances at period end $ 1,887
[1] Pursuant to our business combinations accounting policy, we recorded goodwill adjustments for the effects on goodwill of changes to net assets acquired during the period that such a change is identified, provided that any such change is within the measurement period (up to one year from the date of the acquisition).