v3.7.0.1
RESTRUCTURING ACTIVITIES (Details) - USD ($)
$ in Millions
 3 Months Ended
Aug. 31, 2017
Aug. 31, 2016
Restructuring reserve [Line Items]    
Restructuring expenses $ 124 $ 99
Accrued at period start [1],[2] 264  
Initial Costs [1],[3] 136  
Adjustments to Cost [1],[4] (12)  
Cash Payments [1] (156)  
Others [1],[5] 11  
Accrued at period end [1],[2] 243  
Fiscal 2017 Oracle Restructuring [Member]    
Restructuring reserve [Line Items]    
Total expected program costs 1,100  
Restructuring expenses 124  
Remaining expenses to incur $ 475  
Expected completion date May 31, 2018  
Fiscal 2017 Oracle Restructuring [Member] | Fiscal 2017 Activity [Member]    
Restructuring reserve [Line Items]    
Total expected program costs [1] $ 1,084  
Accrued at period start [1],[2] 185  
Initial Costs [1],[3] 135  
Adjustments to Cost [1],[4] (12)  
Cash Payments [1] (141)  
Others [1],[5] 8  
Accrued at period end [1],[2] 175  
Total Costs Accrued to Date [1] 609  
Fiscal 2017 Oracle Restructuring [Member] | Fiscal 2017 Activity [Member] | Cloud and on-premise software [Member]    
Restructuring reserve [Line Items]    
Total expected program costs [1] 300  
Accrued at period start [1],[2] 85  
Initial Costs [1],[3] 54  
Adjustments to Cost [1],[4] (2)  
Cash Payments [1] (70)  
Others [1],[5] 5  
Accrued at period end [1],[2] 72  
Total Costs Accrued to Date [1] 230  
Fiscal 2017 Oracle Restructuring [Member] | Fiscal 2017 Activity [Member] | Hardware [Member]    
Restructuring reserve [Line Items]    
Total expected program costs [1] 241  
Accrued at period start [1],[2] 31  
Initial Costs [1],[3] 28  
Adjustments to Cost [1],[4] (3)  
Cash Payments [1] (26)  
Others [1],[5] 2  
Accrued at period end [1],[2] 32  
Total Costs Accrued to Date [1] 113  
Fiscal 2017 Oracle Restructuring [Member] | Fiscal 2017 Activity [Member] | Services [Member]    
Restructuring reserve [Line Items]    
Total expected program costs [1] 130  
Accrued at period start [1],[2] 25  
Initial Costs [1],[3] 12  
Adjustments to Cost [1],[4] (1)  
Cash Payments [1] (22)  
Others [1],[5] 1  
Accrued at period end [1],[2] 15  
Total Costs Accrued to Date [1] 69  
Fiscal 2017 Oracle Restructuring [Member] | Fiscal 2017 Activity [Member] | Other [Member]    
Restructuring reserve [Line Items]    
Total expected program costs [1] 413  
Accrued at period start [1],[2] 44  
Initial Costs [1],[3] 41  
Adjustments to Cost [1],[4] (6)  
Cash Payments [1] (23)  
Others [1],[5] 0  
Accrued at period end [1],[2] 56  
Total Costs Accrued to Date [1] 197  
Other Restructuring Plans [Member] | Fiscal 2017 Activity [Member]    
Restructuring reserve [Line Items]    
Accrued at period start [1],[2],[6] 79  
Initial Costs [1],[3],[6] 1  
Adjustments to Cost [1],[4],[6] 0  
Cash Payments [1],[6] (15)  
Others [1],[5],[6] 3  
Accrued at period end [1],[2],[6] $ 68  
[1] Restructuring costs recorded for individual line items primarily related to employee severance costs.
[2] The balances at August 31, 2017 and May 31, 2017 included $217 million and $242 million, respectively, recorded in other current liabilities, and $26 million and $22 million, respectively, recorded in other non-current liabilities.
[3] Costs recorded for the respective restructuring plans during the current period presented.
[4] All plan adjustments were changes in estimates whereby increases and decreases in costs were generally recorded to operating expenses in the period of adjustments.
[5] Represents foreign currency translation and certain other adjustments.
[6] Other restructuring plans presented in the table above included condensed information for other Oracle based plans and other plans associated with certain of our acquisitions whereby we continued to make cash outlays to settle obligations under these plans during the period presented but for which the periodic impact to our condensed consolidated statements of operations was not significant.