BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COSTS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 09, 2019	Nov. 10, 2018	Nov. 09, 2019	Nov. 10, 2018
Pension Benefits
Components of net periodic benefit cost:
Service cost	$ 6	$ 8	$ 24	$ 29
Interest cost	32	31	105	104
Expected return on plan assets	(43)	(40)	(140)	(134)
Amortization of:
Actuarial loss (gain)	16	18	47	59
Net periodic benefit cost	11	17	36	58
Contributions into Fund		185
Contributions into Fund, net of tax		117
Other Benefits
Components of net periodic benefit cost:
Service cost	2	2	6	6
Interest cost	2	2	6	6
Amortization of:
Prior service cost	(3)	(3)	(8)	(9)
Actuarial loss (gain)	(3)	(2)	(8)	(7)
Net periodic benefit cost	$ (2)	$ (1)	$ (4)	$ (4)