ACCOUNTING POLICIES (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Feb. 02, 2013	Nov. 03, 2012	Aug. 11, 2012	Jan. 28, 2012	Nov. 05, 2011	Aug. 13, 2011	May 19, 2012	May 21, 2011	Feb. 02, 2013 item	Jan. 28, 2012 item	Jan. 29, 2011 item
Segments
Total Sales and other revenue	$ 24,153	$ 21,807	$ 21,726	$ 21,406	$ 20,594	$ 20,913	$ 29,065	$ 27,461	$ 96,751	$ 90,374	$ 82,049
Percentage of total sales									100.00%	100.00%	100.00%
Company's retail operations (in percent)									99.00%
Number of segments									1	1	1
Non Perishable
Segments
Total Sales and other revenue									48,663	46,494	44,615
Percentage of total sales									50.30%	51.40%	54.40%
Perishable
Segments
Total Sales and other revenue									19,893	18,693	17,532
Percentage of total sales									20.60%	20.70%	21.40%
Fuel
Segments
Total Sales and other revenue									18,896	16,901	12,081
Percentage of total sales									19.50%	18.70%	14.70%
Pharmacy
Segments
Total Sales and other revenue									8,018	7,322	6,929
Percentage of total sales									8.30%	8.10%	8.40%
Other
Segments
Total Sales and other revenue									$ 1,281	$ 964	$ 892
Percentage of total sales									1.30%	1.10%	1.10%