LONG-TERM DEBT (Details) - USD ($) $ in Millions	Jul. 31, 2016	Oct. 31, 2015
Debt Instrument
Long-term debt	$ 1,597	$ 1,596
Interest Rate Swap	17	21
Carrying Value of Senior Notes	1,614	1,617
Senior Notes 2017
Debt Instrument
Long-term debt	100	100
Interest Rate Swap	1	2
Carrying Value of Senior Notes	101	102
Senior Notes 2020
Debt Instrument
Long-term debt	499	499
Interest Rate Swap	16	19
Carrying Value of Senior Notes	515	518
Senior Notes 2022
Debt Instrument
Long-term debt	400	399
Interest Rate Swap	0	0
Carrying Value of Senior Notes	400	399
Senior Notes 2023
Debt Instrument
Long-term debt	598	598
Interest Rate Swap	0	0
Carrying Value of Senior Notes	$ 598	$ 598