SEGMENT INFORMATION (Details) - USD ($) $ in Millions |
3 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
Aug. 31, 2016 |
Aug. 31, 2015 |
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| Segment reporting information [Line Items] | |||||||
| Revenues | $ 8,595 | $ 8,448 | |||||
| Margin | 5,110 | 5,055 | |||||
| Cloud Software and On-Premise Software [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | [1] | 1,845 | 1,603 | ||||
| Cloud software as a service and platform as a service expenses | 308 | 268 | |||||
| Sales and distribution expenses | 1,580 | 1,395 | |||||
| Margin | [2] | (43) | (60) | ||||
| Cloud infrastructure as a service [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | 171 | 160 | |||||
| Cloud infrastructure as a service expenses | 93 | 85 | |||||
| Sales and distribution expenses | 16 | 22 | |||||
| Margin | [2] | 62 | 53 | ||||
| Software license updates and product support [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | [1] | 4,793 | 4,697 | ||||
| Software license updates and product support expenses | 257 | 271 | |||||
| Margin | [2] | 4,536 | 4,426 | ||||
| Total cloud and on-premise software business [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | [1] | 6,809 | 6,460 | ||||
| Expenses | 2,254 | 2,041 | |||||
| Margin | [2] | 4,555 | 4,419 | ||||
| Hardware products [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | 462 | 570 | |||||
| Hardware products expenses | 240 | 301 | |||||
| Sales and distribution expenses | 203 | 204 | |||||
| Margin | [2] | 19 | 65 | ||||
| Hardware Support [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | [1] | 534 | 559 | ||||
| Hardware support expenses | 141 | 172 | |||||
| Margin | [2] | 393 | 387 | ||||
| Total hardware business [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | [1] | 996 | 1,129 | ||||
| Expenses | 584 | 677 | |||||
| Margin | [2] | 412 | 452 | ||||
| Total services business [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | 808 | 862 | |||||
| Services expenses | 665 | 678 | |||||
| Margin | [2] | 143 | 184 | ||||
| Total for operating segments [Member] | |||||||
| Segment reporting information [Line Items] | |||||||
| Revenues | [1] | 8,613 | 8,451 | ||||
| Expenses | 3,503 | 3,396 | |||||
| Margin | [2] | $ 5,110 | $ 5,055 | ||||
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