Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Jul. 30, 2011	Jan. 29, 2011	Jul. 31, 2010
Financial assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents, marketable securities	$ 116	$ 1,129	$ 972
Other current assets	1,521	1,752	1,840
Other noncurrent assets	1,067	999	1,009
Other noncurrent liabilities	1,644	1,607	1,810
Level 1 | Prepaid forward contracts | Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other current assets	74	63	73
Level 1 | Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents, marketable securities	116	1,129	972
Total	190	1,192	1,045
Level 2 | Interest rate swaps | Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other noncurrent assets	140	139	164
Other noncurrent liabilities	68	54	66
Level 2 | Company-owned life insurance investments | Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other noncurrent assets	366	358	341
Level 2 | Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other current assets	6
Total	512	497	505
Total	68	54	66
Interest rate swaps
Financial assets and liabilities measured at fair value on a recurring basis
Number of derivative instruments designated as accounting hedge	1
Company-owned life insurance investments | Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Company-owned life insurance investments	$ 656	$ 645	$ 624