RESTRUCTURING ACTIVITIES (Details) $ in Millions |
6 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Nov. 30, 2025
USD ($)
| ||||||||||||||
| Restructuring Reserve Disclosures [Abstract] | ||||||||||||||
| Accrued at period start | $ 212 | [1],[2] | ||||||||||||
| Initial Costs | 764 | [2],[3] | ||||||||||||
| Adjustments to Cost | 44 | [2],[4] | ||||||||||||
| Cash Payments | (538) | |||||||||||||
| Others | 2 | [2],[5] | ||||||||||||
| Accrued at period end | 484 | [1],[2] | ||||||||||||
| Fiscal 2026 Oracle Restructuring [Member] | ||||||||||||||
| Restructuring Reserve Disclosures [Abstract] | ||||||||||||||
| Accrued at period start | 0 | [1],[2] | ||||||||||||
| Initial Costs | 764 | [2],[3] | ||||||||||||
| Adjustments to Cost | 62 | [2],[4] | ||||||||||||
| Cash Payments | (455) | |||||||||||||
| Others | (1) | [2],[5] | ||||||||||||
| Accrued at period end | 370 | [1],[2] | ||||||||||||
| Total Costs Accrued to Date | 826 | [2] | ||||||||||||
| Total Expected Program Costs | 1,614 | [2] | ||||||||||||
| Fiscal 2026 Oracle Restructuring [Member] | Other [Member] | ||||||||||||||
| Restructuring Reserve Disclosures [Abstract] | ||||||||||||||
| Accrued at period start | 0 | [1],[2] | ||||||||||||
| Initial Costs | 372 | [2],[3] | ||||||||||||
| Adjustments to Cost | 35 | [2],[4] | ||||||||||||
| Cash Payments | (259) | |||||||||||||
| Others | 0 | [2],[5] | ||||||||||||
| Accrued at period end | 148 | [1],[2] | ||||||||||||
| Total Costs Accrued to Date | 407 | [2] | ||||||||||||
| Total Expected Program Costs | 737 | [2] | ||||||||||||
| Fiscal 2026 Oracle Restructuring [Member] | Cloud and License [Member] | Operating Segments [Member] | ||||||||||||||
| Restructuring Reserve Disclosures [Abstract] | ||||||||||||||
| Accrued at period start | 0 | [1],[2] | ||||||||||||
| Initial Costs | 265 | [2],[3] | ||||||||||||
| Adjustments to Cost | 22 | [2],[4] | ||||||||||||
| Cash Payments | (141) | [2] | ||||||||||||
| Others | (1) | [2],[5] | ||||||||||||
| Accrued at period end | 145 | [1],[2] | ||||||||||||
| Total Costs Accrued to Date | 287 | [2] | ||||||||||||
| Total Expected Program Costs | 484 | [2] | ||||||||||||
| Fiscal 2026 Oracle Restructuring [Member] | Hardware [Member] | Operating Segments [Member] | ||||||||||||||
| Restructuring Reserve Disclosures [Abstract] | ||||||||||||||
| Accrued at period start | 0 | [1],[2] | ||||||||||||
| Initial Costs | 33 | [2],[3] | ||||||||||||
| Adjustments to Cost | 1 | [2],[4] | ||||||||||||
| Cash Payments | (15) | |||||||||||||
| Others | 0 | [2],[5] | ||||||||||||
| Accrued at period end | 19 | [1],[2] | ||||||||||||
| Total Costs Accrued to Date | 34 | [2] | ||||||||||||
| Total Expected Program Costs | 67 | [2] | ||||||||||||
| Fiscal 2026 Oracle Restructuring [Member] | Services [Member] | Operating Segments [Member] | ||||||||||||||
| Restructuring Reserve Disclosures [Abstract] | ||||||||||||||
| Accrued at period start | 0 | [1],[2] | ||||||||||||
| Initial Costs | 94 | [2],[3] | ||||||||||||
| Adjustments to Cost | 4 | [2],[4] | ||||||||||||
| Cash Payments | (40) | |||||||||||||
| Others | 0 | [2],[5] | ||||||||||||
| Accrued at period end | 58 | [1],[2] | ||||||||||||
| Total Costs Accrued to Date | 98 | [2] | ||||||||||||
| Total Expected Program Costs | 326 | [2] | ||||||||||||
| Other Restructuring Plans [Member] | ||||||||||||||
| Restructuring Reserve Disclosures [Abstract] | ||||||||||||||
| Accrued at period start | 212 | [1],[2],[6] | ||||||||||||
| Initial Costs | 0 | [2],[3],[6] | ||||||||||||
| Adjustments to Cost | (18) | [2],[4],[6] | ||||||||||||
| Cash Payments | (83) | [6] | ||||||||||||
| Others | 3 | [2],[5],[6] | ||||||||||||
| Accrued at period end | $ 114 | [1],[2],[6] | ||||||||||||
| ||||||||||||||