BUSINESS COMBINATIONS, GOODWILL AND INTANGIBLE ASSETS - Intangible Assets (Details) - USD ($)	3 Months Ended			9 Months Ended
	Oct. 30, 2020	May 01, 2020	Nov. 01, 2019	Oct. 30, 2020	Nov. 01, 2019	Jan. 31, 2020
Business Acquisition [Line Items]
Gross	$ 39,149,000,000			$ 39,149,000,000		$ 39,963,000,000
Accumulated Amortization	(27,647,000,000)			(27,647,000,000)		(25,611,000,000)
Total	11,502,000,000			11,502,000,000		14,352,000,000
Total intangible assets	42,904,000,000			42,904,000,000		43,718,000,000
Intangible assets, net	15,257,000,000			15,257,000,000		18,107,000,000
Amortization expense	800,000,000		$ 1,100,000,000	2,500,000,000	$ 3,300,000,000
Impairment charges related to intangible assets acquired	0			0	$ 266,000,000
Gain on sale of assets		$ 120,000,000
Customer relationships
Business Acquisition [Line Items]
Gross	22,399,000,000			22,399,000,000		22,950,000,000
Accumulated Amortization	(15,004,000,000)			(15,004,000,000)		(13,821,000,000)
Total	7,395,000,000			7,395,000,000		9,129,000,000
Developed technology
Business Acquisition [Line Items]
Gross	15,484,000,000			15,484,000,000		15,707,000,000
Accumulated Amortization	(11,758,000,000)			(11,758,000,000)		(10,974,000,000)
Total	3,726,000,000			3,726,000,000		4,733,000,000
Trade names
Business Acquisition [Line Items]
Gross	1,266,000,000			1,266,000,000		1,306,000,000
Accumulated Amortization	(885,000,000)			(885,000,000)		(816,000,000)
Total	381,000,000			381,000,000		490,000,000
Trade names
Business Acquisition [Line Items]
Indefinite-lived trade names	$ 3,755,000,000			$ 3,755,000,000		$ 3,755,000,000