FINANCIAL STATEMENTS - BASIS OF PRESENTATION - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2023	May 01, 2022	Jan. 29, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Deferred lease incentives	$ 9.5	$ 15.6	$ 10.0
Deferred lease incentive, amortization	$ 0.6	$ 0.8

For a classified balance sheet, the aggregate of 1) the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date and 2) The deferred credit for an incentive or inducement received by a lessee from a lessor, in order to motivate the lessee to enter the lease agreement, which is to be recognized as a reduction of rental expense over the lease term.

No definition available.

Name:	wsm_DeferredLeaseIncentivesLiabilityNoncurrent
Namespace Prefix:	wsm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant