Segment Reporting (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		10 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011
Segment Reporting Information
Sales/Credit card revenues	$ 16,240	$ 15,532	$ 32,175	$ 31,124
Cost of sales	10,872	10,293	21,710	20,705
Bad debt expense	15	138	27	335
Selling, general and administrative/Operations and marketing expenses	3,544	3,339	6,852	6,563
Depreciation and amortization	509	496	1,022	1,012
Earnings before interest expense and income taxes	1,300	1,266	2,564	2,508
Interest expense on nonrecourse debt collateralized by credit card receivables	18	21	37	44
Segment profit/(loss)	1,282	1,245	2,527	2,465
Unallocated (income)/expense
Other interest expense	174	165	338	330
Interest income	(1)	(1)	(1)	(1)
Earnings before income taxes	1,109	1,081	2,190	2,135
U.S. Retail
Segment Reporting Information
Sales/Credit card revenues	15,895	15,126	31,475	30,283
Cost of sales	10,872	10,293	21,710	20,705
Selling, general and administrative/Operations and marketing expenses	3,382	3,246	6,554	6,370
Depreciation and amortization	494	491	1,002	1,003
Earnings before interest expense and income taxes	1,147	1,096	2,209	2,205
Segment profit/(loss)	1,147	1,096	2,209	2,205
Unallocated (income)/expense
REDcard Rewards program discount (as a percent)					5.00%
Intersegment expense (credit) related to reimbursements under the REDcard rewards program	(66)	(17)	(115)	(34)
U.S. Credit Card
Segment Reporting Information
Sales/Credit card revenues	345	406	700	841
Bad debt expense	15	138	27	335
Selling, general and administrative/Operations and marketing expenses	137	93	262	193
Depreciation and amortization	4	5	9	9
Earnings before interest expense and income taxes	189	170	402	304
Interest expense on nonrecourse debt collateralized by credit card receivables	18	21	37	44
Segment profit/(loss)	171	149	365	260
Unallocated (income)/expense
Intersegment expense (credit) related to reimbursements under the REDcard rewards program	66	17	115	34
Canadian
Segment Reporting Information
Selling, general and administrative/Operations and marketing expenses	25		36
Depreciation and amortization	11		11
Earnings before interest expense and income taxes	(36)		(47)
Segment profit/(loss)	(36)		(47)
Unallocated (income) and expenses
Unallocated (income)/expense
Other interest expense	174	165	338	330
Interest income	$ (1)	$ (1)	$ (1)	$ (1)