XML 79 R67.htm IDEA: XBRL DOCUMENT v3.4.0.3
Financing Receivables and Operating Leases (Additional Information) (Details)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 30, 2016
USD ($)
Apr. 30, 2016
USD ($)
Rating
Jul. 25, 2015
USD ($)
Financing Receivables And Guarantees [Line Items]      
Average lease term (in years) 4 years    
Deferred revenue: $ 15,272 $ 15,272 $ 15,183
Financing receivable, allowance for credit loss and deferred revenue 2,225 2,225 2,253
Total financing receivables before allowance for credit loss $ 8,999 8,999 8,731
Threshold for past due receivables (in days) 31 days    
Unbilled or current financing receivables included in greater than 91 days plus past due $ 298 298 496
Financing Receivable, 90 Days Past Due and Still Accruing $ 165 $ 165 70
Investment Credit Risk Ratings Range Lowest | Rating   1  
Investment Credit Risk Ratings Range Highest | Rating   10  
Rating at or higher when receivables deemed impaired | Rating   8  
Maximum      
Financing Receivables And Guarantees [Line Items]      
Loan receivables term (in years) 3 years    
Financed Service Contracts and Other | Minimum      
Financing Receivables And Guarantees [Line Items]      
Financed service contracts term (in years) 1 year    
Financed Service Contracts and Other | Maximum      
Financing Receivables And Guarantees [Line Items]      
Financed service contracts term (in years) 3 years    
Investment-grade ratings | Minimum      
Financing Receivables And Guarantees [Line Items]      
Financing credit risk rating-investment-lowest 1    
Investment-grade ratings | Maximum      
Financing Receivables And Guarantees [Line Items]      
Financing credit risk rating-investment-lowest 4    
Non-investment grade ratings | Minimum      
Financing Receivables And Guarantees [Line Items]      
Financing credit risk rating-investment-lowest 5    
Non-investment grade ratings | Maximum      
Financing Receivables And Guarantees [Line Items]      
Financing credit risk rating-investment-lowest 6    
Substandard | Minimum      
Financing Receivables And Guarantees [Line Items]      
Financing credit risk rating-investment-lowest 7    
Financed Service Contracts and Other      
Financing Receivables And Guarantees [Line Items]      
Deferred revenue: $ 1,822 $ 1,822 $ 1,853