LONG-TERM DEBT (Details) - USD ($) $ in Millions	Jan. 31, 2022	Oct. 31, 2021
Debt Instrument
Long-term debt	$ 2,730	$ 2,729
Senior Notes 2023
Debt Instrument
Long-term debt	599	599
Senior Notes 2026
Debt Instrument
Long-term debt	299	298
Senior Notes 2029
Debt Instrument
Long-term debt	494	494
Senior Notes 2030
Debt Instrument
Long-term debt	496	496
Senior Notes 2031
Debt Instrument
Long-term debt	$ 842	$ 842