Fair Value Measurements and Concentrations of Credit Risk (Financial Assets Measured at Fair Value on a Recurring and Nonrecurring Basis) (Details) - USD ($) $ in Millions |
Jan. 28, 2023 |
Jan. 29, 2022 |
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Marketable equity and debt securities | $ 35 | $ 39 |
| Quoted Prices in Active Markets for Identical Assets (Level 1) | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Marketable equity and debt securities | 35 | 39 |
| Significant Observable Inputs (Level 2) | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Marketable equity and debt securities | 0 | 0 |
| Significant Unobservable Inputs (Level 3) | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Marketable equity and debt securities | $ 0 | $ 0 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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