Contract Balances - Narrative (Details)	12 Months Ended
	Oct. 27, 2019 USD ($)
Revenue from Contract with Customer [Abstract]
Revenue recognized	$ 859,000,000
Impairment loss on accounts receivable and contract assets	0
Long-term Contract with Customer
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 868,000,000
Long-term Contract with Customer | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-28
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percent of performance obligation recognized	42.00%
Performance obligation period	24 months