INCOME AND OTHER TAXES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	May 01, 2020	May 03, 2019	Jan. 31, 2020
Income Tax Contingency [Line Items]
Effective income tax rate	(33.80%)	330.10%
Pre-tax gains (losses)	$ 136	$ (143)
Discrete tax benefit from intra-entity asset transfer	59	$ 405
Unrecognized tax benefits	2,500		$ 2,500
Minimum
Income Tax Contingency [Line Items]
Unrecognized tax benefits reasonably possible	550
Maximum
Income Tax Contingency [Line Items]
Unrecognized tax benefits reasonably possible	$ 850