SHORT-TERM BORROWINGS (Details) - USD ($) $ in Millions	Jul. 31, 2022	Oct. 31, 2021	Aug. 01, 2021
Short-term borrowings
Short-term borrowings	$ 14,176	$ 10,919	$ 10,404
Commercial Paper
Short-term borrowings
Short-term borrowings	6,035	2,230	1,882
Notes Payable to Banks
Short-term borrowings
Short-term borrowings	427	336	133
Finance Lease Obligations Due Within One Year
Short-term borrowings
Short-term borrowings	21	23	23
Long-term Borrowings Due Within One Year
Short-term borrowings
Short-term borrowings	$ 7,693	$ 8,330	$ 8,366