Lease Commitments (Future Minimum Lease Payments) (Details) (USD $) In Millions	Jan. 29, 2011
Lease Commitments
2011, Capital Leases	$ 281
2012, Capital Leases	271
2013, Capital Leases	266
2014, Capital Leases	256
2015, Capital Leases	247
Thereafter, Capital Leases	3,542
Total future minimum payments due, Capital Leases	4,863
Non-cash gain on sale of property	426
Amount representing interest	(3,185)
Present value of lease payments, Capital Leases	2,104
2011, Operating Leases	233
2012, Operating Leases	230
2013, Operating Leases	228
2014, Operating Leases	228
2015, Operating Leases	229
Thereafter, Operating Leases	5,198
Total future minimum payments due, Operating Leases	$ 6,346