XML 44 R30.htm IDEA: XBRL DOCUMENT v3.20.2

Summary of Restricted Stock Unit Activity (Parenthetical) (Detail) - Restricted Stock Units (RSUs) [Member]	9 Months Ended
	Nov. 01, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incremental shares released due to achievement of performance conditions	1,030,199	[1]
Achievement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incremental shares released due to achievement of performance conditions	170,308
[1] Excludes 170,308 incremental shares released due to achievement of performance conditions above target.

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	wsm_AchievementTypeAxis=wsm_AchievementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: