Cover - USD ($)	12 Months Ended
	Feb. 01, 2025	Mar. 10, 2025	Aug. 03, 2024
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Feb. 01, 2025
Current Fiscal Year End Date	--02-01
Document Transition Report	false
Entity File Number	0-14678
Entity Registrant Name	Ross Stores, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-1390387
Entity Address, Address Line One	5130 Hacienda Drive
Entity Address, City or Town	Dublin
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94568-7579
City Area Code	(925)
Local Phone Number	965-4400
Title of 12(b) Security	Common stock, par value $.01
Trading Symbol	ROST
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction	false
Entity Shell Company	false
Entity Public Float			$ 45,630,083,382
Entity Common Stock, Shares Outstanding (in shares)		328,821,469
Documents Incorporated by Reference	Portions of the Proxy Statement for the Registrant’s 2025 Annual Meeting of Stockholders, which will be filed on or before June 2, 2025, are incorporated herein by reference into Part III.
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Entity Central Index Key	0000745732