General (Details 7) - ASU 201609 [Member] $ / shares in Units, $ in Millions |
6 Months Ended |
|---|---|
|
Nov. 30, 2016
USD ($)
$ / shares
| |
| Employee Service Share Based Compensation Aggregate Disclosures [Line Items] | |
| Share-based payment tax benefit | $ | $ 21 |
| Share-based payment change effect on diluted EPS | $ / shares | $ 0.07 |