Warranty, Guarantees, Commitments and Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 26, 2014	Oct. 27, 2013	Oct. 28, 2012	Feb. 07, 2013 employee
Commitments and Contingencies Disclosure [Abstract]
Total rent expense	$ 37	$ 36	$ 38
Products warranty period, General	12 months
Maximum potential amount of future payments for letters of credit or other guarantee instruments	46
Parent guarantees to banks	$ 102
Number of employees acquitted				9
Number of employees found guilty				1