Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Provisional Income Tax Expense (Benefit)

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

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- Definition

The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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- Definition

Amount of unrecognized tax benefits.

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Taxes on Earnings (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
Taxes on Earnings (Details) - USD ($) $ in Millions	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017	Feb. 03, 2018
Income Tax Contingency [Line Items]
Effective income tax rate	25.00%	38.00%	24.00%	37.00%
Provisional tax benefit					$ 80.1
Unrecognized tax benefits	$ 130.8	$ 108.1	$ 130.8	$ 108.1	121.3
Income tax penalties and interest accrued	25.4	$ 20.1	25.4	$ 20.1	$ 22.6
Impact of recognizing taxes and interest related to unrecognized tax benefits	88.4		88.4
Unrecognized tax benefits reduction resulting from lapse of applicable statute of limitations (up to)	$ 8.6		$ 8.6
Maximum \| Internal Revenue Service
Income Tax Contingency [Line Items]
Open tax year			2017
Maximum \| State
Income Tax Contingency [Line Items]
Open tax year			2017
Minimum \| Internal Revenue Service
Income Tax Contingency [Line Items]
Open tax year			2013
Minimum \| State
Income Tax Contingency [Line Items]
Open tax year			2013