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Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Feb. 01, 2020
Income Taxes [Line Items]
Effective income tax rate	(132.80%)	25.70%	23.20%	25.50%
Net unrecognized tax benefits	$ 262,200,000	$ 241,600,000	$ 262,200,000	$ 241,600,000	$ 254,800,000
Accrued amounts for interest and penalties	32,000,000.0	$ 27,300,000	32,000,000.0	$ 27,300,000	$ 27,900,000
Minimum
Income Taxes [Line Items]
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings	0		0
Maximum
Income Taxes [Line Items]
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings	$ 36,000,000.0		$ 36,000,000.0

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Income Taxes [Line Items]

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Unrecognized Tax Benefits Net of Federal Tax Benefit

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(3)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
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