COMPANY-SPONSORED BENEFIT PLANS - FAIR VALUE OF PLAN ASSETS (Details) - USD ($) $ in Millions	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Fair value
BENEFIT PLANS
Fair value of plan assets	$ 3,045	$ 3,189
Fair value | Cash and cash equivalents
BENEFIT PLANS
Fair value of plan assets	27	73
Fair value | Corporate Stocks
BENEFIT PLANS
Fair value of plan assets	231	294
Fair value | Corporate Bonds
BENEFIT PLANS
Fair value of plan assets	76	80
Fair value | U.S. Government Securities
BENEFIT PLANS
Fair value of plan assets	75	78
Fair value | Mutual Funds/Collective Trusts
BENEFIT PLANS
Fair value of plan assets	990	666
Fair value | Partnerships/Joint Ventures
BENEFIT PLANS
Fair value of plan assets	118	468
Fair value | Hedge Funds
BENEFIT PLANS
Fair value of plan assets	1,104	1,158
Fair value | Private Equity
BENEFIT PLANS
Fair value of plan assets	225	210
Fair value | Real Estate
BENEFIT PLANS
Fair value of plan assets	103	105
Fair value | Other
BENEFIT PLANS
Fair value of plan assets	96	57
Quoted Prices in Active Markets for Identical Assets (Level 1)
BENEFIT PLANS
Fair value of plan assets	347	490
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and cash equivalents
BENEFIT PLANS
Fair value of plan assets	27	73
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate Stocks
BENEFIT PLANS
Fair value of plan assets	231	294
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual Funds/Collective Trusts
BENEFIT PLANS
Fair value of plan assets	89	123
Significant Other Observable Inputs (Level 2)
BENEFIT PLANS
Fair value of plan assets	1,226	1,186
Significant Other Observable Inputs (Level 2) | Corporate Bonds
BENEFIT PLANS
Fair value of plan assets	76	80
Significant Other Observable Inputs (Level 2) | U.S. Government Securities
BENEFIT PLANS
Fair value of plan assets	75	78
Significant Other Observable Inputs (Level 2) | Mutual Funds/Collective Trusts
BENEFIT PLANS
Fair value of plan assets	861	503
Significant Other Observable Inputs (Level 2) | Partnerships/Joint Ventures
BENEFIT PLANS
Fair value of plan assets	118	468
Significant Other Observable Inputs (Level 2) | Other
BENEFIT PLANS
Fair value of plan assets	96	57
Significant Unobservable Inputs (Level 3)
BENEFIT PLANS
Fair value of plan assets	1,472	1,513
Significant Unobservable Inputs (Level 3) | Mutual Funds/Collective Trusts
BENEFIT PLANS
Fair value of plan assets	40	40
Significant Unobservable Inputs (Level 3) | Hedge Funds
BENEFIT PLANS
Fair value of plan assets	1,104	1,158	$ 1,073
Significant Unobservable Inputs (Level 3) | Private Equity
BENEFIT PLANS
Fair value of plan assets	225	210	243
Significant Unobservable Inputs (Level 3) | Real Estate
BENEFIT PLANS
Fair value of plan assets	$ 103	$ 105	$ 96