OTHER COMPREHENSIVE INCOME ITEMS - After-Tax Changes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 28, 2019	Jul. 29, 2018	Jul. 28, 2019	Jul. 29, 2018
Accumulated other comprehensive income (loss)
Balance	$ 11,924	$ 10,420	$ 11,291	$ 9,560
Net current period other comprehensive income (loss)	29	(381)	(146)	10
Balance	12,270	10,366	12,270	10,366
Total Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss)
Balance			(4,427)	(4,564)
ASU No. 2016-01 adoption	(8)		(8)
Other comprehensive income (loss) items before reclassification			(195)	(110)
Amounts reclassified from accumulated other comprehensive income			49	121
Net current period other comprehensive income (loss)			(146)	11
Balance	(4,581)	(4,553)	(4,581)	(4,553)
Retirement Benefits Adjustment
Accumulated other comprehensive income (loss)
Balance			(3,237)	(3,580)
Other comprehensive income (loss) items before reclassification			30	81
Amounts reclassified from accumulated other comprehensive income			54	124
Net current period other comprehensive income (loss)			84	205
Balance	(3,153)	(3,375)	(3,153)	(3,375)
Cumulative Translation Adjustment
Accumulated other comprehensive income (loss)
Balance			(1,203)	(999)
Other comprehensive income (loss) items before reclassification			(218)	(196)
Net current period other comprehensive income (loss)			(218)	(196)
Balance	(1,421)	(1,195)	(1,421)	(1,195)
Unrealized Gain (Loss) on Derivatives
Accumulated other comprehensive income (loss)
Balance			15	5
Other comprehensive income (loss) items before reclassification			(33)	12
Amounts reclassified from accumulated other comprehensive income			(4)	(2)
Net current period other comprehensive income (loss)			(37)	10
Balance	(22)	15	(22)	15
Unrealized Gain (Loss) on Debt Securities
Accumulated other comprehensive income (loss)
Balance			(2)
ASU No. 2016-01 adoption	(8)		(8)
Other comprehensive income (loss) items before reclassification			26
Amounts reclassified from accumulated other comprehensive income			(1)
Net current period other comprehensive income (loss)			25
Balance	$ 15		$ 15
Unrealized Gain (Loss) on Investments
Accumulated other comprehensive income (loss)
Balance				10
Other comprehensive income (loss) items before reclassification				(7)
Amounts reclassified from accumulated other comprehensive income				(1)
Net current period other comprehensive income (loss)				(8)
Balance		$ 2		$ 2