FINANCIAL SERVICES - Changes in Allowance for financing receivable (Details) - Customer receivables - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 28, 2016	Oct. 30, 2015	Oct. 28, 2016	Oct. 30, 2015
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	$ 156	$ 177	$ 176	$ 194
Charge-offs, net of recoveries	(29)	(28)	(82)	(89)
Provision charged to income statement	19	23	52	67
Balance at end of period	146	172	146	172
Revolving
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	100	127	118	145
Charge-offs, net of recoveries	(21)	(25)	(69)	(77)
Provision charged to income statement	16	19	46	53
Balance at end of period	95	121	95	121
Fixed-term
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	56	50	58	49
Charge-offs, net of recoveries	(8)	(3)	(13)	(12)
Provision charged to income statement	3	4	6	14
Balance at end of period	$ 51	$ 51	$ 51	$ 51