Memphis-Based Distribution Facilities - Additional Information (Detail) (USD $)	12 Months Ended
Feb. 01, 2015	Feb. 02, 2014	Feb. 03, 2013
Variable Interest Entity [Line Items]
Rent expense	$ 215,221,000wsm_OperatingLeasesRentalExpense	$ 201,727,000wsm_OperatingLeasesRentalExpense	$ 189,060,000wsm_OperatingLeasesRentalExpense
Memphis-based distribution facilities obligation	1,968,000	3,753,000
Partnership 1
Variable Interest Entity [Line Items]
Rent expense	28,000	618,000	618,000
Lease expiration date	February 2014
Partnership 2
Variable Interest Entity [Line Items]
Rent expense	2,432,000	2,448,000	2,473,000
Lease expiration date	August 2015
Assets (primarily buildings)	10,658,000
Memphis-based distribution facilities obligation	1,968,000
Other long-term liabilities	$ 8,690,000

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685

+ Details

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- Definition

The date upon which a lease or a group of leases is set to expire.

+ References

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- Definition

Rental expense incurred under operating leases, excluding contingent rental expense.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's debt included in the reporting entity's statement of financial position.

+ References

No definition available.

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- Definition

The carrying amount of the consolidated Variable Interest Entity's other long-term liabilities included in the reporting entity's statement of financial position.

+ References

No definition available.

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