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LONG-TERM DEBT - Carrying Value (Details) - USD ($) $ in Millions	Oct. 31, 2021	Oct. 31, 2020
Debt Instrument [Line Items]
Senior Notes Amortized principal	$ 2,729	$ 2,284
Senior Notes 2022
Debt Instrument [Line Items]
Senior Notes Amortized principal	0	400
Senior Notes 2023 [Member]
Debt Instrument [Line Items]
Senior Notes Amortized principal	599	598
Senior Notes 2026
Debt Instrument [Line Items]
Senior Notes Amortized principal	298	298
Senior Notes 2029
Debt Instrument [Line Items]
Senior Notes Amortized principal	494	493
Senior Notes 2030 [Member]
Debt Instrument [Line Items]
Senior Notes Amortized principal	496	495
Senior Notes 2031
Debt Instrument [Line Items]
Senior Notes Amortized principal	$ 842	$ 0

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