Employee Benefit Plans (Net Periodic Benefit Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019
Components of net periodic benefit cost
Service cost	$ 15	$ 13	$ 11
Interest cost	8	8	10
Expected return on plan assets	(21)	(22)	(20)
Amortization of actuarial loss and prior service credit	14	12	7
Net periodic benefit cost	$ 16	$ 11	$ 8
Weighted average assumptions
Discount rate	1.18%	1.23%	1.98%
Expected long-term return on assets	4.80%	5.10%	5.40%
Rate of compensation increase	2.74%	2.69%	2.74%