Employee Benefit Plans (Net Periodic Benefit Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Oct. 25, 2015
Components of net periodic benefit cost
Service cost	$ 13	$ 13	$ 15
Interest cost	10	13	13
Expected return on plan assets	(18)	(14)	(15)
Amortization of actuarial loss and prior service credit	(10)	3	7
Settlement and curtailment loss	0	(5)	(1)
Net periodic benefit cost (income)	$ (5)	$ 10	$ 19
Weighted average assumptions
Discount rate	1.88%	2.82%	3.00%
Expected long-term return on assets	5.38%	5.38%	5.62%
Rate of compensation increase	2.69%	2.71%	2.74%