CONDENSED CONSOLIDATED INCOME STATEMENTS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Income Statement [Abstract]
Net sales	$ 5,281.2	$ 4,996.3	$ 10,568.3	$ 10,082.1
Cost of sales	3,653.4	3,483.9	7,313.4	7,015.2
Gross profit	1,627.8	1,512.4	3,254.9	3,066.9
Selling, general and administrative expenses, excluding Receivable impairment	1,205.7	1,155.2	2,393.1	2,291.0
Receivable impairment	2.6	0.0	53.5	0.0
Selling, general and administrative expenses, excluding Receivable impairment	1,208.3	1,155.2	2,446.6	2,291.0
Operating income	419.5	357.2	808.3	775.9
Interest expense, net	75.8	87.3	150.5	174.6
Other (income) expense, net	0.1	0.0	0.4	(0.2)
Income before income taxes	343.6	269.9	657.4	601.5
Income tax expense	109.8	99.7	223.1	198.7
Net income	$ 233.8	$ 170.2	$ 434.3	$ 402.8
Basic net income per share (usd per share)	$ 0.99	$ 0.72	$ 1.84	$ 1.71
Diluted net income per share (usd per share)	$ 0.98	$ 0.72	$ 1.83	$ 1.70