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Organization and Summary of Significant Accounting Policies (Summary of Advertising and Promotional Costs and Cooperative Advertising Allowances) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
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Jan. 30, 2021 | Oct. 31, 2020 | Aug. 01, 2020 | May 02, 2020 | Feb. 01, 2020 | Nov. 02, 2019 | Aug. 03, 2019 | May 04, 2019 | Jan. 30, 2021 | Feb. 01, 2020 | Feb. 02, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Gross advertising and promotional costs |  |  |  |  |  |  |  |  | $ 907 | $ 1,330 | $ 1,358
Cooperative advertising allowances |  |  |  |  |  |  |  |  | 89 | 188 | 196
Advertising and promotional costs, net of cooperative advertising allowances |  |  |  |  |  |  |  |  | 818 | 1,142 | 1,162
Net sales | $ 6,780 | $ 3,990 | $ 3,559 | $ 3,017 | $ 8,337 | $ 5,173 | $ 5,546 | $ 5,504 | $ 17,346 | $ 24,560 | $ 24,971
Advertising and promotional costs, net of cooperative advertising allowances, as a percent to net sales |  |  |  |  |  |  |  |  | 4.70% | 4.60% | 4.70%

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