Accounts Payable and Accrued Liabilities (Schedule Of Accounts Payable And Accrued Liabilities) (Details) - USD ($) $ in Millions	Jan. 30, 2016	Jan. 31, 2015
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accounts payable	$ 814	$ 833
Gift card and customer rewards	920	907
Current portion of post employment and postretirement benefits	257	190
Taxes other than income taxes	184	187
Lease related liabilities	165	155
Accrued wages and vacation	153	193
Current portion of workers' compensation and general liability reserves	127	128
Severance and relocation	123	46
Allowance for future sales returns	112	93
Accrued interest	88	93
Other	390	284
Accounts payable and accrued liabilities, total	$ 3,333	$ 3,109