NEW ACCOUNTING PRONOUNCEMENTS - Impact of adopting new guidance (Details) - Adjustments for New Accounting Pronouncement [Member] $ in Millions |
Oct. 31, 2016
USD ($)
|
|---|---|
| Long-term Debt [Member] | |
| Decrease related to debt issuance costs | $ 8 |
| Other Assets [Member] | |
| Decrease related to debt issuance costs | $ 8 |