CONDENSED CONSOLIDATED INCOME STATEMENTS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Income Statement [Abstract]
Net sales	$ 5,316.6	$ 5,001.6	$ 15,884.9	$ 15,083.7
Cost of sales	3,650.6	3,481.1	10,964.0	10,496.3
Gross profit	1,666.0	1,520.5	4,920.9	4,587.4
Selling, general and administrative expenses, excluding Receivable impairment	1,240.8	1,178.1	3,633.9	3,469.1
Receivable impairment	0.0	0.0	53.5	0.0
Selling, general and administrative expenses, excluding Receivable impairment	1,240.8	1,178.1	3,687.4	3,469.1
Operating income	425.2	342.4	1,233.5	1,118.3
Interest expense, net	69.7	112.1	220.2	286.7
Other (income) expense, net	0.4	0.1	0.8	(0.1)
Income before income taxes	355.1	230.2	1,012.5	831.7
Income tax expense	115.2	58.6	338.3	257.3
Net income	$ 239.9	$ 171.6	$ 674.2	$ 574.4
Basic net income per share (usd per share)	$ 1.01	$ 0.73	$ 2.85	$ 2.44
Diluted net income per share (usd per share)	$ 1.01	$ 0.72	$ 2.84	$ 2.43