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Summary of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended
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Jan. 28, 2023 USD ($) state segment number_of_store shares | Jan. 29, 2022 USD ($) shares | Jan. 30, 2021 USD ($) shares
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of reportable segments | segment | 1 |  |
Restricted investments | $ 0 | $ 0 | $ 0
Cash and cash equivalents | $ 4,551,876,000 | 4,922,365,000 | 4,819,293,000
Packaway inventory, storage period, less than | 6 months |  |
Depreciation and amortization expense on property and equipment | $ 394,655,000 | 360,664,000 | 364,245,000
Capitalized interest | 5,678,000 | 14,476,000 | 12,251,000
Asset impairment charges | 0 | 0 | 0
Book cash overdrafts | 110,600,000 | 99,100,000 |
Expected recovery of merchandise inventory | 11,800,000 | 10,500,000 | 10,700,000
Refund due to customers | 23,100,000 | 20,300,000 | 21,200,000
Advertising costs | $ 66,500,000 | $ 65,100,000 | $ 42,500,000
Anti-dilutive weighted average shares excluded from EPS calculation (in shares) | shares | 11,100 | 3,500 | 79,500
Property, Plant and Equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment purchased but not yet paid | $ 71,000,000 | $ 47,300,000 | $ 56,200,000
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 | 1,693 |  |
Number of states company operates in | state | 40 |  |
dd's Discounts |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores | number_of_store | 322 |  |
Number of states company operates in | state | 21 |  |

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