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Financing Receivables - Additional Information (Details)
6 Months Ended
Jan. 29, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Lease receivables terms, on average 4 years
Loan receivables term 3 years
Threshold for past due receivables 31 days
Minimum  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Financed service contracts term 1 year
Maximum  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Financed service contracts term 3 years