Derivative Instruments and Hedging Activities (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 25, 2015	Oct. 26, 2014	Oct. 27, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in Income	$ 110	$ 49	$ 19
Foreign exchange contracts | Gain (loss) on derivatives associated with terminated business combination
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in Income	89	30	(7)
Foreign exchange contracts | General and administrative
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in Income	$ 21	$ 19	$ 26