BENEFIT PLANS (Summary of Components of Total Net Periodic Benefit Expense for Retirement Plans) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Components of net periodic expense:
Interest cost	$ 45	$ 58	$ 98	$ 116
Expected return on plan assets	(46)	(51)	(103)	(101)
Amortization of experience losses	247	64	297	128
Net periodic expense	246	$ 71	292	$ 143
MetLife | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Loss reclassification adjustment from AOCI, pension and other postretirement benefit plans	$ 200		$ 200