Williams-Sonoma, Inc. 401(k) Plan and Other Associate Benefits (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2022	Feb. 02, 2025	Jan. 28, 2024	Jan. 29, 2023
Compensation Related Costs [Abstract]
Defined contribution retirement plan, maximum percentage of salary deferral contributions by employee		75.00%
Employer matching contribution		50.00%
Defined contribution retirement plan, maximum percentage of salary deferral contributions subject to match by employer		6.00%
Years of service required to be eligible for company matching contributions		1 year
Vesting percentage	100.00%
Service period (in years)	1 year
Contributions to the profit sharing plan		$ 14.2	$ 13.6	$ 11.4
Deferred compensation liabilities included in other long-term obligations		49.4	44.9
Cash surrender value of the life insurance policies		$ 53.6	$ 45.9