v3.26.1
Financing Receivables - Summary of Allowances for Credit Loss and Related Financing Receivables (Details) - USD ($)
$ in Millions
 12 Months Ended
Jul. 25, 2026
Jul. 26, 2025
Jul. 27, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Allowance for credit loss, beginning of period $ 50 $ 65 $ 72
Provisions (benefits) (1) (9) (2)
Recoveries (write-offs), net   (9) (5)
Foreign exchange and other 1 3  
Allowance for credit loss, end of period 50 50 65
Loan Receivables      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Allowance for credit loss, beginning of period 37 50 53
Provisions (benefits) 3 (6) 1
Recoveries (write-offs), net   (9) (4)
Foreign exchange and other 0 2  
Allowance for credit loss, end of period 40 37 50
Lease Receivables      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Allowance for credit loss, beginning of period 13 15 19
Provisions (benefits) (4) (3) (3)
Recoveries (write-offs), net   0 (1)
Foreign exchange and other 1 1  
Allowance for credit loss, end of period $ 10 $ 13 $ 15