Summary of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Jan. 29, 2022 USD ($) state segment number_of_store shares	Jan. 30, 2021 USD ($) shares	Feb. 01, 2020 USD ($) shares	Feb. 03, 2019 USD ($)	Feb. 02, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | segment	1
Purchase obligations	$ 5,000,000,000
Restricted investments	0	$ 0	$ 0
Cash and cash equivalents	$ 4,922,365,000	4,819,293,000	1,351,205,000
Packaway inventory, storage period, less than	6 months
Depreciation and amortization expense on property and equipment	$ 360,664,000	364,245,000	350,892,000
Capitalized interest	14,476,000	12,251,000	4,367,000
Asset impairment charges		0	0
Book cash overdrafts	99,100,000	63,500,000
Expected recovery of merchandise inventory	10,500,000	10,700,000	10,700,000
Refund due to customers	20,300,000	21,200,000	20,900,000
Advertising costs	$ 65,100,000	$ 42,500,000	$ 74,000,000
Anti-dilutive weighted average shares excluded from EPS calculation (in shares) | shares	3,500	79,500	27,400
Present value of lease liabilities	$ 3,169,814,000
Operating lease assets	3,027,272,000	$ 3,084,819,000
Cumulative effect, decrease, adoption of accounting standard	(4,060,050,000)	(3,290,640,000)	$ (3,359,249,000)		$ (3,305,746,000)
Cumulative Effect, Period of Adoption, Adjustment
Summary Of Significant Accounting Policies [Line Items]
Cumulative effect, decrease, adoption of accounting standard					19,614,000
Retained earnings
Summary Of Significant Accounting Policies [Line Items]
Cumulative effect, decrease, adoption of accounting standard	(2,874,898,000)	(2,185,801,000)	(2,330,702,000)		(2,298,762,000)
Retained earnings | Cumulative Effect, Period of Adoption, Adjustment
Summary Of Significant Accounting Policies [Line Items]
Cumulative effect, decrease, adoption of accounting standard				$ 19,600,000	$ 19,614,000
Accounting Standards Update 2016-02
Summary Of Significant Accounting Policies [Line Items]
Present value of lease liabilities				2,900,000,000
Operating lease assets				$ 2,900,000,000
Property, Plant and Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment purchased but not yet paid	$ 47,300,000	$ 56,200,000	$ 40,300,000
Minimum | Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	3 years
Minimum | Land Improvements and Buildings
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	20 years
Minimum | Computer Software
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 Improvements and Buildings
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	40 years
Maximum | Computer Software
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 | number_of_store	1,628
Number of states company operates in | state	40
dd's Discounts
Summary Of Significant Accounting Policies [Line Items]
Number of stores | number_of_store	295
Number of states company operates in | state	21