BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COSTS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 04, 2017	Nov. 05, 2016	Nov. 04, 2017	Nov. 05, 2016
Amortization of:
Contributions into Fund	$ 1,000
Contribution into fund, tax benefit	375
Pension Benefits
Components of net periodic benefit cost:
Service cost		$ 14	$ 42	$ 50
Interest cost	42	44	140	145
Expected return on plan assets	(54)	(55)	(182)	(183)
Amortization of:
Actuarial loss (gain)	19	16	65	50
Other	1		3
Net periodic benefit cost	8	19	68	62
Other Benefits
Components of net periodic benefit cost:
Service cost	2	2	7	7
Interest cost	3	2	8	8
Amortization of:
Prior service cost	(2)	(2)	(6)	(6)
Actuarial loss (gain)	(2)	$ (2)	(7)	(7)
Net periodic benefit cost	$ 1		$ 2	$ 2