Derivative Instruments and Hedging Activities (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 30, 2016	Oct. 25, 2015	Oct. 26, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income	$ 0	$ 89	$ 30
Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income	(75)	110	49
Foreign exchange contracts | Gain (loss) on derivatives associated with terminated business combination | Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income	0	89	30
Foreign exchange contracts | General and administrative | Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income	$ (75)	$ 21	$ 19