EQUITY (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	Jul. 29, 2017	Jan. 28, 2017	Jul. 30, 2016	Jan. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (3,651)	$ (3,824)	$ (2,693)	$ (1,956)
TaxPension and postretirement adjustments tax	(225)	(225)	(296)
Currency translation adjustment tax	0	0	0
Pension and postretirement adjustments (net of tax of $(225), $(296), and $(225), respectively)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(1,372)	(1,549)	(1,787)
Currency translation adjustments (net of tax of $0 for all periods presented)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(2)	(3)	(3)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (1,374)	$ (1,552)	$ (1,790)	$ (1,918)