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Retirement Plans (Fair Value of Pension Plan Assets) (Details) - Pension Plans Defined Benefit Excluding Interest and Dividend Receivables and Pending Investment Purchases and Sales - USD ($) $ in Millions | Jan. 28, 2023 | Jan. 29, 2022
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | $ 2,359 | $ 2,872
Level 2 | Short term investments |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 0 | 10
Level 2 | U.S. Treasury bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 41 | 121
Level 2 | Other Government bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 60 | 74
Level 2 | Corporate bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 1,592 | 1,877
Level 2 | Mortgage-backed securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 14 | 10
Level 2 | Asset-backed securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 0 | 1
Level 2 | Derivatives in a positive position |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 11 | 12
Level 2 | Derivatives in a negative position |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | (3) | (1)
Level 1 | Money market funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 78 | 206
Level 1 | U.S. pooled funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 69 | 77
Level 1 | International pooled funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 26 | 31
Level 1 | Pooled funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 48 | 72
Fair Value Measured at Net Asset Value Per Share | Pooled funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 271 | 164
Fair Value Measured at Net Asset Value Per Share | Real Estate |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | 19 | 32
Fair Value Measured at Net Asset Value Per Share | Private equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of pension plan assets | $ 133 | $ 186

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