OTHER COMPREHENSIVE INCOME ITEMS - After-Tax Components (Details) - USD ($) $ in Millions	Jul. 31, 2022	Oct. 31, 2021	Aug. 01, 2021
Accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	$ 19,033	$ 18,431	$ 15,731
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	(3,476)	(2,539)	(5,011)
Retirement Benefits Adjustment
Accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	(1,171)	(1,034)	(3,710)
Cumulative Translation Adjustment
Accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	(2,262)	(1,478)	(1,277)
Unrealized Gain (Loss) on Derivatives
Accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	(1)	(42)	(50)
Unrealized Gain (Loss) on Debt Securities
Accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	$ (42)	$ 15	$ 26