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Cash Equivalents and Marketable Securities - Unrealized Losses Aggregated by Investment Category (Details) - USD ($) $ in Millions | Jan. 29, 2023 | Jan. 30, 2022
--- | --- | ---
Estimated Fair Value |  |
Less than 12 Months | $ 4,939 | $ 7,737
12 Months or Greater | 1,868 | 19
Total | 6,807 | 7,756
Gross Unrealized Loss |  |
Less than 12 Months | (30) | (17)
12 Months or Greater | (28) | 0
Total | (58) | (17)
Debt securities issued by the United States Treasury |  |
Estimated Fair Value |  |
Less than 12 Months | 2,444 | 5,292
12 Months or Greater | 1,172 | 0
Total | 3,616 | 5,292
Gross Unrealized Loss |  |
Less than 12 Months | (21) | (14)
12 Months or Greater | (23) | 0
Total | (44) | (14)
Corporate debt securities |  |
Estimated Fair Value |  |
Less than 12 Months | 1,188 | 2,445
12 Months or Greater | 696 | 19
Total | 1,884 | 2,464
Gross Unrealized Loss |  |
Less than 12 Months | (7) | (3)
12 Months or Greater | (5) | 0
Total | (12) | $ (3)
Debt securities issued by United States government agencies |  |
Estimated Fair Value |  |
Less than 12 Months | 1,307 |
12 Months or Greater | 0 |
Total | 1,307 |
Gross Unrealized Loss |  |
Less than 12 Months | (2) |
12 Months or Greater | 0 |
Total | $ (2) |

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