v2.4.0.6
Financing Receivables and Guarantees (Schedule Of Aging Analysis Of Financing Receivables) (Detail) (USD $)
In Millions, unless otherwise specified
Jul. 28, 2012
Jul. 30, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]    
31-60 Days Past Due $ 250 $ 165
61-90 Days Past Due 145 75
Greater than 90 Days Past Due 576 438
Total Past Due 971 678
Current 6,655 6,288
Gross Receivables, Net of Unearned Income 7,626 6,966
Non-Accrual Financing Receivables 45 55
Impaired Financing Receivables 28 34
Lease Receivables
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
31-60 Days Past Due 151 89
61-90 Days Past Due 69 35
Greater than 90 Days Past Due 173 152
Total Past Due 393 276
Current 2,786 2,585
Gross Receivables, Net of Unearned Income 3,179 2,861
Non-Accrual Financing Receivables 23 34
Impaired Financing Receivables 14 24
Loan Receivables
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
31-60 Days Past Due 10 8
61-90 Days Past Due 8 7
Greater than 90 Days Past Due 11 21
Total Past Due 29 36
Current 1,767 1,432
Gross Receivables, Net of Unearned Income 1,796 1,468
Non-Accrual Financing Receivables 4 4
Impaired Financing Receivables 4 4
Financed Service Contracts & Other
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
31-60 Days Past Due 89 68
61-90 Days Past Due 68 33
Greater than 90 Days Past Due 392 265
Total Past Due 549 366
Current 2,102 2,271
Gross Receivables, Net of Unearned Income 2,651 2,637
Non-Accrual Financing Receivables 18 17
Impaired Financing Receivables $ 10 $ 6