Derivative Instruments and Hedging Activities (Derivatives in Statements of Operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 26, 2015	Jul. 31, 2016	Jul. 26, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion - Gain or (Loss) Recognized in AOCI	$ (26)	$ (3)	$ (49)	$ 2
Effective Portion - Gain or (Loss) Reclassified from AOCI into Income	(13)	5	(23)	10
Ineffective Portion and Amount Excluded from Effectiveness Testing - Gain or (Loss) Recognized in Income	0	(1)	(1)	(4)
Foreign exchange contracts [Member] | Cost of products sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion - Gain or (Loss) Recognized in AOCI	(26)	5	(49)	10
Effective Portion - Gain or (Loss) Reclassified from AOCI into Income	(13)	2	(21)	15
Ineffective Portion and Amount Excluded from Effectiveness Testing - Gain or (Loss) Recognized in Income	1	(1)	1	(3)
Foreign exchange contracts [Member] | General and administrative [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion - Gain or (Loss) Recognized in AOCI	0	0	0	0
Effective Portion - Gain or (Loss) Reclassified from AOCI into Income	1	3	(1)	(5)
Ineffective Portion and Amount Excluded from Effectiveness Testing - Gain or (Loss) Recognized in Income	(1)	0	(2)	(1)
Interest rate swap [Member] | Interest expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion - Gain or (Loss) Recognized in AOCI	0	(8)	0	(8)
Effective Portion - Gain or (Loss) Reclassified from AOCI into Income	(1)	0	(1)	0
Ineffective Portion and Amount Excluded from Effectiveness Testing - Gain or (Loss) Recognized in Income	$ 0	$ 0	$ 0	$ 0