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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 31, 2021 | Feb. 02, 2020 | Feb. 03, 2019
Accounting Policies [Line Items] |  |  |
Investments classified as cash equivalents, original maturity | 3 months |  |
Percentage of merchandise inventories that are calculated using a cost method | 36.00% |  |
Quantitative goodwill impairment assessment time interval | 3 years |  |
Option to extend | 5 years |  |
Option to terminate lease | 5 years |  |
Goodwill, impairment loss | $ 0 | $ 0 | $ 0
Impairment of intangible assets | 0 | 0 | $ 247
Self insurance reserve | $ 1,300 | 1,300 |
Recognized income tax positions are measured at the largest amount exceeding a probability of | 50.00% |  |
Deferred revenue | $ 1,900 | 1,300 |
General redemption period | 6 months |  |
Gift card performance obligations | $ 839 | $ 721 |
Minimum |  |  |
Accounting Policies [Line Items] |  |  |
Term of contract | 1 year |  |
Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Term of contract | 20 years |  |
Maximum | Other Intangible Assets |  |  |
Accounting Policies [Line Items] |  |  |
Intangible asset, useful life | 20 years |  |
Software and Software Development Costs | Minimum |  |  |
Accounting Policies [Line Items] |  |  |
Software, useful life | 3 years |  |
Software and Software Development Costs | Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Software, useful life | 6 years |  |

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