SEGMENT INFORMATION (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Nov. 30, 2019 |
Nov. 30, 2018 |
Nov. 30, 2019 |
Nov. 30, 2018 |
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| Segment reporting information [Line Items] | ||||||||||
| Revenues | $ 9,614 | $ 9,562 | $ 18,832 | $ 18,755 | ||||||
| Cloud services and license support expenses | [1] | 1,022 | 956 | 2,003 | 1,870 | |||||
| Sales and marketing expenses | [1] | 2,068 | 2,101 | 4,086 | 4,140 | |||||
| Margin | 3,183 | 3,101 | 6,060 | 5,878 | ||||||
| Operating Segments [Member] | ||||||||||
| Segment reporting information [Line Items] | ||||||||||
| Revenues | [2] | 9,615 | 9,567 | 18,835 | 18,768 | |||||
| Expenses | 3,917 | 3,866 | 7,650 | 7,608 | ||||||
| Margin | [3] | 5,698 | 5,701 | 11,185 | 11,160 | |||||
| Operating Segments [Member] | Cloud and License [Member] | ||||||||||
| Segment reporting information [Line Items] | ||||||||||
| Revenues | [2] | 7,938 | 7,859 | 15,556 | 15,342 | |||||
| Cloud services and license support expenses | 970 | 912 | 1,901 | 1,779 | ||||||
| Sales and marketing expenses | 1,856 | 1,834 | 3,612 | 3,577 | ||||||
| Margin | [3] | 5,112 | 5,113 | 10,043 | 9,986 | |||||
| Operating Segments [Member] | Hardware [Member] | ||||||||||
| Segment reporting information [Line Items] | ||||||||||
| Revenues | 871 | 891 | 1,686 | 1,796 | ||||||
| Hardware products and support expenses | 277 | 325 | 541 | 642 | ||||||
| Sales and marketing expenses | 114 | 118 | 231 | 257 | ||||||
| Margin | [3] | 480 | 448 | 914 | 897 | |||||
| Operating Segments [Member] | Services [Member] | ||||||||||
| Segment reporting information [Line Items] | ||||||||||
| Revenues | 806 | 817 | 1,593 | 1,630 | ||||||
| Services expenses | 700 | 677 | 1,365 | 1,353 | ||||||
| Margin | [3] | $ 106 | $ 140 | $ 228 | $ 277 | |||||
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