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Contract Balances - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
May 02, 2021
Apr. 26, 2020
May 02, 2021
Apr. 26, 2020
Revenue from Contract with Customer [Abstract]        
Revenue recognized     $ 871,000,000  
Accounts receivable, credit losses $ 0 $ 0 0 $ 0
Contract assets, credit losses 0 $ 0 0 $ 0
Long-term Contract with Customer        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Remaining performance obligation $ 644,000,000   $ 644,000,000