FINANCIAL SERVICES - Schedule of Changes in the Allowance for Financing Receivable Losses (Details) - Customer receivables - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Aug. 02, 2019	Jul. 31, 2020	Aug. 02, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balances at beginning of period	$ 321	$ 143	$ 149	$ 136
Charge-offs, net of recoveries	(25)	(24)	(54)	(47)
Provision charged to income statement	27	19	117	49
Balances at end of period	323	138	323	138
Adjustment for adoption of accounting standards
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balances at beginning of period			111	0
Revolving
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balances at beginning of period	144	70	70	75
Charge-offs, net of recoveries	(18)	(15)	(38)	(35)
Provision charged to income statement	17	12	71	27
Balances at end of period	143	67	143	67
Revolving | Adjustment for adoption of accounting standards
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balances at beginning of period			40	0
Fixed-term
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balances at beginning of period	177	73	79	61
Charge-offs, net of recoveries	(7)	(9)	(16)	(12)
Provision charged to income statement	10	7	46	22
Balances at end of period	$ 180	$ 71	180	71
Fixed-term | Adjustment for adoption of accounting standards
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balances at beginning of period			$ 71	$ 0