WARRANTY, COMMITMENTS AND CONTINGENCIES OPERATING LEASE COMMITMENTS - FUTURE MINIMUM SUBLEASE INCOME (Details) $ in Millions |
Apr. 30, 2017
USD ($)
|
|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |
| Operating Leases, Future Minimum Payments Receivable, Remainder of 2017 | $ 1 |
| Operating Leases, Future Minimum Payments Receivable, in 2018 | 1 |
| Operating Leases, Future Minimum Payments Receivable, in 2019 | 1 |
| Operating Leases, Future Minimum Payments Receivable, in 2020 | 1 |
| Operating Leases, Future Minimum Payments Receivable, in 2021 | 1 |
| Operating Leases, Future Minimum Payments Receivable, Thereafter | $ 1 |