Financial Services (Details Textual) (USD $)	3 Months Ended
	May 04, 2012 month	Apr. 29, 2011	Feb. 03, 2012
Accounts, Notes, Loans and Financing Receivable
Financing provided to customers for equipment and related software and services through DFS	$ 812,000,000	$ 855,000,000
Repayment of revolving loan transactions	12
Receivables under special programs	295,000,000		328,000,000
Future maturities of minimum lease payments, in Fiscal Year 2013	936,000,000
Future maturities of minimum lease payments, in Fiscal Year 2014	833,000,000
Future maturities of minimum lease payments, in Fiscal Year 2015	411,000,000
Future maturities of minimum lease payments, in Fiscal Year 2016	73,000,000
Future maturities of minimal lease payment, in Fiscal 2017 and beyond	8,000,000
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	388,000,000
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	156,000,000
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion Period	3 years
Customer receivables funded via securitization through SPEs	536,000,000	499,000,000
General terms of securitization programs	12
Structured financing debt related to fixed term leases, loans and revolving loans	1,400,000,000		1,300,000,000
Total debt capacity related to the loan securitization programs	$ 1,400,000,000
Minimum
Accounts, Notes, Loans and Financing Receivable
Duration of special programs	6 months
Duration Of Leases With Business Customers	2 years
Range of Fixed Term Loan	3 years
Duration of debt	12 months
Maximum
Accounts, Notes, Loans and Financing Receivable
Duration of special programs	12 months
Duration Of Leases With Business Customers	4 years
Range of Fixed Term Loan	4 years
Duration of debt	36 months