Properties and Leases (Minimum Rental Commitments Excluding Executory Costs for Noncancellable Leases) (Details) (USD $) In Millions, unless otherwise specified	Jan. 28, 2012
Property Plant and Equipment and Leases of Lessee [Abstract]
2012, Capitalized leases	$ 6
2013, Capitalized leases	5
2014, Capitalized leases	5
2015, Capitalized leases	3
2016, Capitalized leases	3
After 2016, Capitalized leases	52
Total minimum lease payments, Capitalized leases	74
Less amount representing interest, Capitalized leases	35
Present value of net minimum capitalized lease payments, Capitalized leases	39
2012, Operating leases	255
2013, Operating leases	244
2014, Operating leases	224
2015, Operating leases	187
2016, Operating leases	168
After 2016, Operating leases	1,689
Total minimum lease payments, Operating leases	2,767
2012, Total	261
2013, Total	249
2014, Total	229
2015, Total	190
2016, Total	171
After 2016, Total	1,741
Total minimum lease payments, Total	$ 2,841

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The total of contractually required rental payments on leases meeting the criteria for capitalization.

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Amount necessary to reduce net minimum lease payments to present value calculated at the lesser of the interest rate implicit in the lease (if known) or the entity's incremental borrowing rate (as defined) at inception of the lease.

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The discounted value of future cash flows under leases meeting the criteria for capitalization.

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The total of future contractually required payments on leases defined as operating.

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