SEGMENT INFORMATION (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Feb. 28, 2019 |
Feb. 28, 2018 |
Feb. 28, 2019 |
Feb. 28, 2018 |
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| Segment reporting information [Line Items] | |||||||||||
| Revenues | $ 9,614 | $ 9,676 | $ 28,369 | $ 28,369 | |||||||
| Cloud services and license support expenses | [1] | 937 | 894 | 2,807 | 2,645 | ||||||
| Sales and marketing expenses | [1] | 2,051 | 2,042 | 6,191 | 6,118 | ||||||
| Margin | 3,399 | 3,315 | 9,278 | 9,103 | |||||||
| Total for operating segments [Member] | |||||||||||
| Segment reporting information [Line Items] | |||||||||||
| Revenues | [2] | 9,618 | 9,681 | 28,386 | 28,408 | ||||||
| Expenses | 3,786 | 3,812 | 11,394 | 11,322 | |||||||
| Margin | [3] | 5,832 | 5,869 | 16,992 | 17,086 | ||||||
| Total for operating segments [Member] | Cloud and License [Member] | |||||||||||
| Segment reporting information [Line Items] | |||||||||||
| Revenues | [2] | 7,917 | 7,891 | 23,259 | 23,018 | ||||||
| Cloud services and license support expenses | 890 | 854 | 2,668 | 2,526 | |||||||
| Sales and marketing expenses | 1,780 | 1,743 | 5,357 | 5,200 | |||||||
| Margin | [3] | 5,247 | 5,294 | 15,234 | 15,292 | ||||||
| Total for operating segments [Member] | Hardware [Member] | |||||||||||
| Segment reporting information [Line Items] | |||||||||||
| Revenues | 915 | 994 | 2,711 | 2,878 | |||||||
| Hardware products and support expenses | 331 | 387 | 973 | 1,094 | |||||||
| Sales and marketing expenses | 123 | 155 | 381 | 487 | |||||||
| Margin | [3] | 461 | 452 | 1,357 | 1,297 | ||||||
| Total for operating segments [Member] | Services [Member] | |||||||||||
| Segment reporting information [Line Items] | |||||||||||
| Revenues | 786 | 796 | 2,416 | 2,512 | |||||||
| Services expenses | 662 | 673 | 2,015 | 2,015 | |||||||
| Margin | [3] | $ 124 | $ 123 | $ 401 | $ 497 | ||||||
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