Income Taxes (Textual) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	12 Months Ended
	May 05, 2018	Feb. 03, 2018	Jan. 28, 2017	May 05, 2018	Nov. 03, 2018
Operating Loss Carryforwards [Line Items]
Federal statutory rate (as percent)	21.00%		35.00%
Income tax expense (benefit)		$ 639.7
Provisional income tax expense	$ 687.1
Transition tax	751.1
Tax benefit related to deferred tax liabilities in prior years	64.0
Foreign earnings, liability, current	60.1			$ 60.1
Foreign earnings, liability, noncurrent	691.0			691.0
Excess tax benefit	$ 8.2	$ 10.0		$ 18.2
Forecast
Operating Loss Carryforwards [Line Items]
Federal statutory rate (as percent)					23.40%