DEBT LONG TERM DEBT - 2027 SENIOR NOTES (Details) $ in Millions |
6 Months Ended |
|---|---|
|
Apr. 30, 2017
USD ($)
| |
| Debt Instrument [Line Items] | |
| Document Period End Date | Apr. 30, 2017 |
| 4.60% Senior Notes due 2027 [Member] | |
| Debt Instrument [Line Items] | |
| Debt Instrument, Issuance Date | Apr. 30, 2017 |
| Debt Instrument, Face Amount | $ 700 |
| Percentage Of Face Amount Of Debt Instrument Issued | 99.873% |
| Debt Instrument, Maturity Date | Apr. 06, 2027 |
| Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | 4.60% |
| Debt Issuance Costs, Gross | $ 6 |
| Debt Instrument, Unamortized Discount | $ 1 |