Income Taxes (Details) - USD ($)	3 Months Ended
	May 03, 2019	Feb. 01, 2019	May 04, 2018
Income Tax Examination [Line Items]
Tax Act Impact	$ 3,700,000.0
Unrecognized tax benefits	1,900,000
Unrecognized tax benefits, if recognized, would impact effective tax rate	1,500,000
Sears Holdings Corporation | Other assets
Income Tax Examination [Line Items]
Indemnification receivable, uncertain tax positions	$ 0	$ 0	$ 2,500,000