Warranty, Guarantees, Commitments and Contingencies (Narrative) (Details) $ in Millions	12 Months Ended
	Oct. 29, 2017 USD ($)	Oct. 30, 2016 USD ($)	Oct. 25, 2015 USD ($)	Jun. 20, 2014 employee	Feb. 07, 2013 employee
Commitments and Contingencies Disclosure [Abstract]
Total rent expense | $	$ 34	$ 38	$ 32
Products warranty period	12 months
Maximum potential amount of future payments for letters of credit or other guarantee instruments | $	$ 57
Parent guarantees to banks | $	$ 140
Number of employees acquitted | employee					9
Number of employees found guilty | employee					1
Number of employees found not guilty | employee				10