GOODWILL (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
May 31, 2019 |
May 31, 2018 |
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| Goodwill [Line Items] | |||||
| Balances at period start | $ 43,755 | $ 43,045 | |||
| Goodwill from acquisitions | 96 | 1,052 | |||
| Goodwill adjustments, net | [1] | (72) | (342) | ||
| Balances at period end | 43,779 | 43,755 | |||
| Cloud and License [Member] | |||||
| Goodwill [Line Items] | |||||
| Balances at period start | 39,600 | 38,791 | |||
| Goodwill from acquisitions | 96 | 1,052 | |||
| Goodwill adjustments, net | [1] | (63) | (243) | ||
| Balances at period end | 39,633 | 39,600 | |||
| Hardware [Member] | |||||
| Goodwill [Line Items] | |||||
| Balances at period start | 2,367 | 2,367 | |||
| Goodwill from acquisitions | 0 | 0 | |||
| Goodwill adjustments, net | [1] | 0 | 0 | ||
| Balances at period end | 2,367 | 2,367 | |||
| Services [Member] | |||||
| Goodwill [Line Items] | |||||
| Balances at period start | 1,788 | 1,887 | |||
| Goodwill from acquisitions | 0 | 0 | |||
| Goodwill adjustments, net | [1] | (9) | (99) | ||
| Balances at period end | $ 1,779 | $ 1,788 | |||
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