SEGMENT INFORMATION (Details) - USD ($) $ in Millions |
3 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Aug. 31, 2015 |
Aug. 31, 2014 |
||||||||
| Revenues Included for Management Reporting Not Recognized in Consolidated Statements of Operations (Narrative) [Abstract] | |||||||||
| Cloud software as a service and platform as a service revenues | [1] | $ 1 | $ 2 | ||||||
| Software license updates and product support revenues | [1] | 1 | |||||||
| Hardware support revenues | [1] | 1 | 1 | ||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | 8,448 | 8,596 | |||||||
| Margin | 5,164 | 5,479 | |||||||
| Cloud software and on-premise software [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | [2] | 1,603 | 1,707 | ||||||
| Cloud software as a service and platform as a service expenses | 268 | 143 | |||||||
| Sales and distribution expenses | 1,286 | 1,279 | |||||||
| Margin | [3] | 49 | 285 | ||||||
| Cloud infrastructure as a service [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | 160 | 138 | |||||||
| Cloud infrastructure as a service expenses | 85 | 76 | |||||||
| Sales and distribution expenses | 22 | 18 | |||||||
| Margin | [3] | 53 | 44 | ||||||
| Software license updates and product support [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | [2] | 4,697 | 4,731 | ||||||
| Software license updates and product support expenses | 271 | 257 | |||||||
| Margin | [3] | 4,426 | 4,474 | ||||||
| Total cloud and on-premise software business [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | [2] | 6,460 | 6,576 | ||||||
| Expenses | 1,932 | 1,773 | |||||||
| Margin | [3] | 4,528 | 4,803 | ||||||
| Hardware products [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | 570 | 578 | |||||||
| Hardware products expenses | 301 | 297 | |||||||
| Sales and distribution expenses | 204 | 201 | |||||||
| Margin | [3] | 65 | 80 | ||||||
| Hardware support [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | [2] | 559 | 588 | ||||||
| Hardware support expenses | 172 | 184 | |||||||
| Margin | [3] | 387 | 404 | ||||||
| Total hardware business [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | [2] | 1,129 | 1,166 | ||||||
| Expenses | 677 | 682 | |||||||
| Margin | [3] | 452 | 484 | ||||||
| Total services business [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | [2] | 862 | 857 | ||||||
| Services expenses | 678 | 665 | |||||||
| Margin | [3] | 184 | 192 | ||||||
| Total for operating segments [Member] | |||||||||
| Segment reporting information [Line Items] | |||||||||
| Revenues | [2] | 8,451 | 8,599 | ||||||
| Expenses | 3,287 | 3,120 | |||||||
| Margin | [3] | $ 5,164 | $ 5,479 | ||||||
| |||||||||