SEGMENT INFORMATION - Reconciliation of net revenue by reportable segments to consolidated net revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 29, 2022	Apr. 30, 2021
Segment Reporting Information [Line Items]
Total net revenue	$ 26,116	$ 22,590
Consolidated operating income (loss)	1,550	987
Amortization of intangibles	(243)	(445)
Operating segments
Segment Reporting Information [Line Items]
Total net revenue	24,872	21,344
Consolidated operating income (loss)	2,197	1,858
Operating segments | Infrastructure Solutions Group
Segment Reporting Information [Line Items]
Total net revenue	9,285	8,033
Consolidated operating income (loss)	1,082	778
Operating segments | Client Solutions Group
Segment Reporting Information [Line Items]
Total net revenue	15,587	13,311
Consolidated operating income (loss)	1,115	1,080
Operating segments | Other businesses
Segment Reporting Information [Line Items]
Total net revenue	1,239	1,252
Consolidated operating income (loss)	(64)	(90)
Unallocated transactions
Segment Reporting Information [Line Items]
Total net revenue	5	2
Consolidated operating income (loss)	2	2
Other corporate expenses	(96)	(117)
Reconciling items
Segment Reporting Information [Line Items]
Total net revenue	0	(8)
Impact of purchase accounting	(9)	(20)
Amortization of intangibles	(243)	(445)
Transaction-related expenses	(5)	(29)
Stock-based compensation expense	$ (232)	$ (172)