Condensed Consolidating Financial Information (Condensed Consolidating Statement of Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Jan. 29, 2011	Oct. 30, 2010	Jul. 31, 2010	May 01, 2010	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Net sales	$ 8,724	$ 5,853	$ 5,939	$ 5,889	$ 8,269	$ 5,623	$ 5,537	$ 5,574	$ 26,405	$ 25,003	$ 23,489
Cost of sales	(5,151)	(3,544)	(3,457)	(3,586)	(4,855)	(3,377)	(3,214)	(3,378)	(15,738)	(14,824)	(13,973)
Gross margin	3,573	2,309	2,482	2,303	3,414	2,246	2,323	2,196	10,667	10,179	9,516
Selling, general and administrative expenses	(2,314)	(2,018)	(1,976)	(1,973)	(2,245)	(2,069)	(1,953)	(1,993)	(8,281)	(8,260)	(8,062)
Impairments, store closing costs and division consolidation costs	25	0	0	0	(25)	0	0	0	25	(25)	(391)
Operating income (loss)									2,411	1,894	1,063
Interest (expense) income, net
External									(443)	(574)	(556)
Intercompany									0	0	0
Equity in earnings of subsidiaries									0	0	0
Income (loss) before income taxes									1,968	1,320	507
Federal, state and local income tax benefit (expense)									(712)	(473)	(178)
Net income (loss)	745	139	241	131	667	10	147	23	1,256	847	329
Parent
Net sales									0	0	0
Cost of sales									0	0	0
Gross margin									0	0	0
Selling, general and administrative expenses									5	(8)	(8)
Impairments, store closing costs and division consolidation costs									0	0	0
Operating income (loss)									5	(8)	(8)
Interest (expense) income, net
External									1	2	3
Intercompany									(1)	(2)	(2)
Equity in earnings of subsidiaries									1,253	852	333
Income (loss) before income taxes									1,258	844	326
Federal, state and local income tax benefit (expense)									(2)	3	3
Net income (loss)									1,256	847	329
Subsidiary Issuer
Net sales									13,405	13,124	12,791
Cost of sales									(8,274)	(8,006)	(7,836)
Gross margin									5,131	5,118	4,955
Selling, general and administrative expenses									(4,585)	(4,519)	(4,616)
Impairments, store closing costs and division consolidation costs									28	(21)	(226)
Operating income (loss)									574	578	113
Interest (expense) income, net
External									(443)	(575)	(558)
Intercompany									(191)	(165)	(153)
Equity in earnings of subsidiaries									548	417	201
Income (loss) before income taxes									488	255	(397)
Federal, state and local income tax benefit (expense)									27	65	232
Net income (loss)									515	320	(165)
Other Subsidiaries
Net sales									21,312	19,900	16,700
Cost of sales									(15,721)	(14,782)	(12,073)
Gross margin									5,591	5,118	4,627
Selling, general and administrative expenses									(3,756)	(3,790)	(3,504)
Impairments, store closing costs and division consolidation costs									(3)	(4)	(165)
Operating income (loss)									1,832	1,324	958
Interest (expense) income, net
External									(1)	(1)	(1)
Intercompany									192	167	155
Equity in earnings of subsidiaries									0	0	0
Income (loss) before income taxes									2,023	1,490	1,112
Federal, state and local income tax benefit (expense)									(737)	(541)	(413)
Net income (loss)									1,286	949	699
Consolidating Adjustments
Net sales									(8,312)	(8,021)	(6,002)
Cost of sales									8,257	7,964	5,936
Gross margin									(55)	(57)	(66)
Selling, general and administrative expenses									55	57	66
Impairments, store closing costs and division consolidation costs									0	0	0
Operating income (loss)									0	0	0
Interest (expense) income, net
External									0	0	0
Intercompany									0	0	0
Equity in earnings of subsidiaries									(1,801)	(1,269)	(534)
Income (loss) before income taxes									(1,801)	(1,269)	(534)
Federal, state and local income tax benefit (expense)									0	0	0
Net income (loss)									$ (1,801)	$ (1,269)	$ (534)