COMPANY- SPONSORED BENEFIT PLANS (Details 5) (USD $) In Millions, unless otherwise specified	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Disclosure
Fair value of plan assets	$ 449	$ 486
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and cash equivalents
Defined Benefit Plan, Disclosure
Fair value of plan assets		1
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate Stocks
Defined Benefit Plan, Disclosure
Fair value of plan assets	306	324
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual Funds/Collective Trusts
Defined Benefit Plan, Disclosure
Fair value of plan assets	143	161
Significant Other Observable Inputs (Level 2)
Defined Benefit Plan, Disclosure
Fair value of plan assets	1,255	1,194
Significant Other Observable Inputs (Level 2) | Corporate Bonds
Defined Benefit Plan, Disclosure
Fair value of plan assets	82	74
Significant Other Observable Inputs (Level 2) | U.S. Government Securities
Defined Benefit Plan, Disclosure
Fair value of plan assets	91	66
Significant Other Observable Inputs (Level 2) | Mutual Funds/Collective Trusts
Defined Benefit Plan, Disclosure
Fair value of plan assets	476	530
Significant Other Observable Inputs (Level 2) | Partnerships/Joint Ventures
Defined Benefit Plan, Disclosure
Fair value of plan assets	454	370
Significant Other Observable Inputs (Level 2) | Other
Defined Benefit Plan, Disclosure
Fair value of plan assets	152	154
Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Disclosure
Fair value of plan assets	819	792
Significant Unobservable Inputs (Level 3) | Hedge Funds
Defined Benefit Plan, Disclosure
Fair value of plan assets	579	580	455
Significant Unobservable Inputs (Level 3) | Private Equity
Defined Benefit Plan, Disclosure
Fair value of plan assets	159	150	128
Significant Unobservable Inputs (Level 3) | Real Estate
Defined Benefit Plan, Disclosure
Fair value of plan assets	81	62	49
Fair value
Defined Benefit Plan, Disclosure
Fair value of plan assets	2,523	2,472
Fair value | Cash and cash equivalents
Defined Benefit Plan, Disclosure
Fair value of plan assets		1
Fair value | Corporate Stocks
Defined Benefit Plan, Disclosure
Fair value of plan assets	306	324
Fair value | Corporate Bonds
Defined Benefit Plan, Disclosure
Fair value of plan assets	82	74
Fair value | U.S. Government Securities
Defined Benefit Plan, Disclosure
Fair value of plan assets	91	66
Fair value | Mutual Funds/Collective Trusts
Defined Benefit Plan, Disclosure
Fair value of plan assets	619	691
Fair value | Partnerships/Joint Ventures
Defined Benefit Plan, Disclosure
Fair value of plan assets	454	370
Fair value | Hedge Funds
Defined Benefit Plan, Disclosure
Fair value of plan assets	579	580
Fair value | Private Equity
Defined Benefit Plan, Disclosure
Fair value of plan assets	159	150
Fair value | Real Estate
Defined Benefit Plan, Disclosure
Fair value of plan assets	81	62
Fair value | Other
Defined Benefit Plan, Disclosure
Fair value of plan assets	$ 152	$ 154