COMPANY-SPONSORED BENEFIT PLANS - FAIR VALUE OF PLAN ASSETS (Details) - Recurring - USD ($) $ in Millions	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
BENEFIT PLANS
Fair value of plan assets	$ 3,138	$ 3,045
Assets measured at NAV	2,172	2,237
Cash and cash equivalents
BENEFIT PLANS
Fair value of plan assets	183	27
Corporate Stocks
BENEFIT PLANS
Fair value of plan assets	240	231
Corporate Bonds
BENEFIT PLANS
Fair value of plan assets	57	76
U.S. Government Securities
BENEFIT PLANS
Fair value of plan assets	37	75
Mutual Funds/Collective Trusts
BENEFIT PLANS
Fair value of plan assets	953	990
Assets measured at NAV	827	896
Partnerships/Joint Ventures
BENEFIT PLANS
Fair value of plan assets	156	118
Hedge Funds
BENEFIT PLANS
Fair value of plan assets	1,101	1,104
Assets measured at NAV	1,034	1,043
Private Equity
BENEFIT PLANS
Fair value of plan assets	245	225
Assets measured at NAV	245	225
Real Estate
BENEFIT PLANS
Fair value of plan assets	87	103
Assets measured at NAV	22	24
Other
BENEFIT PLANS
Fair value of plan assets	79	96
Assets measured at NAV	44	49
Quoted Prices in Active Markets for Identical Assets (Level 1)
BENEFIT PLANS
Fair value of plan assets	545	347
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and cash equivalents
BENEFIT PLANS
Fair value of plan assets	183	27
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate Stocks
BENEFIT PLANS
Fair value of plan assets	240	231
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual Funds/Collective Trusts
BENEFIT PLANS
Fair value of plan assets	122	89
Significant Other Observable Inputs (Level 2)
BENEFIT PLANS
Fair value of plan assets	289	321
Significant Other Observable Inputs (Level 2) | Corporate Bonds
BENEFIT PLANS
Fair value of plan assets	57	76
Significant Other Observable Inputs (Level 2) | U.S. Government Securities
BENEFIT PLANS
Fair value of plan assets	37	75
Significant Other Observable Inputs (Level 2) | Mutual Funds/Collective Trusts
BENEFIT PLANS
Fair value of plan assets	4	5
Significant Other Observable Inputs (Level 2) | Partnerships/Joint Ventures
BENEFIT PLANS
Fair value of plan assets	156	118
Significant Other Observable Inputs (Level 2) | Other
BENEFIT PLANS
Fair value of plan assets	35	47
Significant Unobservable Inputs (Level 3)
BENEFIT PLANS
Fair value of plan assets	132	140
Significant Unobservable Inputs (Level 3) | Hedge Funds
BENEFIT PLANS
Fair value of plan assets	67	61	$ 56
Significant Unobservable Inputs (Level 3) | Real Estate
BENEFIT PLANS
Fair value of plan assets	$ 65	$ 79	$ 84