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General (Details 7) - ASU 201609 [Member] $ / shares in Units, $ in Millions | 6 Months Ended
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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

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