Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	Feb. 03, 2024 USD ($) state segment store number_of_store shares	Jan. 28, 2023 USD ($) shares	Jan. 29, 2022 USD ($) shares
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | segment	1
Number of operating segments | segment	2
Collateral trust	$ 60,800	$ 57,800	$ 56,700
Cash and cash equivalents	$ 4,872,446	4,551,876	4,922,365
Packaway inventory, storage period, less than	6 months
Depreciation and amortization expense on property and equipment	$ 419,432	394,655	360,664
Capitalized interest	12,106	5,678	14,476
Book cash overdrafts	61,400	110,600
Supplier finance program, obligation, current	146,900	119,200
Expected recovery of merchandise inventory	12,100	11,800	10,500
Refund due to customers	23,700	23,100	20,300
Advertising costs	$ 67,700	$ 66,500	$ 65,100
Anti-dilutive weighted average shares excluded from EPS calculation (in shares) | shares	200	11,100	3,500
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable
Standby Letters of Credit
Summary Of Significant Accounting Policies [Line Items]
Letters of credit, outstanding	$ 2,200	$ 2,600	$ 3,300
Property, Plant and Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment purchased but not yet paid	$ 78,200	$ 71,000	$ 47,300
Minimum | Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	3 years
Minimum | Land, Buildings and Improvements
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	20 years
Minimum | Software and Software Development Costs
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	3 years
Maximum | Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	12 years
Maximum | Land, Buildings and Improvements
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	40 years
Maximum | Software and Software Development Costs
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	7 years
Ross Dress for Less
Summary Of Significant Accounting Policies [Line Items]
Number of stores | store	1,764
Number of states company operates in | state	43
dd's Discounts
Summary Of Significant Accounting Policies [Line Items]
Number of stores | number_of_store	345
Number of states company operates in | state	22