Accounts Payable and Accrued Liabilities (Schedule Of Accounts Payable And Accrued Liabilities) (Details) - USD ($) $ in Millions	Jan. 28, 2017	Jan. 30, 2016
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accounts payable	$ 754	$ 814
Gift card and customer rewards	970	920
Deferred real estate gains	340	104
Current portion of post employment and postretirement benefits	208	257
Taxes other than income taxes	166	184
Lease related liabilities	174	165
Accrued wages and vacation	215	153
Current portion of workers' compensation and general liability reserves	119	127
Severance and relocation	166	123
Allowance for future sales returns	96	112
Accrued interest	74	88
Other	281	286
Accounts payable and accrued liabilities, total	$ 3,563	$ 3,333