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Retirement Plans (Narrative) (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2021 USD ($) | Jan. 28, 2023 USD ($) h | Jan. 29, 2022 USD ($) | Jan. 30, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Number of hours required for participation in defined benefit and defined contribution plans | h |  | 1,000 |  |
Liability under qualified defined contribution plan |  | $ 94 | $ 83 |
Settlement charges |  | 39 | 96 | $ 84
Defined benefit plan, amount of transferred pension plan assets | $ 256 |  |  |
Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement charges |  | $ 39 | $ 96 | $ 74
Expected long-term return on plan assets |  | 4.60% | 5.75% | 6.25%
Defined benefit plan, assumptions used calculating net periodic benefit cost, change due to subsequent interim measurement, weighted-average expected long-term rate of return on plan assets |  | 5.30% |  |
Pension Plan | Equity securities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Target allocation for equity securities in defined benefit plan |  | 5.00% |  |
Pension Plan | Debt Securities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Target allocation for equity securities in defined benefit plan |  | 87.00% |  |
Pension Plan | Real Estate |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Target allocation for equity securities in defined benefit plan |  | 1.00% |  |
Pension Plan | Private equity |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Target allocation for equity securities in defined benefit plan |  | 7.00% |  |
401(k) Qualified Defined Contribution Plan | Other Postretirement Benefits Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Employee retirement plan expense |  | $ 86 | $ 76 | $ 68
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Employee retirement plan expense |  | 1 | 1 | $ 1
Investments |  | 35 | 39 |
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan | Other Liabilities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Liability under non-qualified defined contribution plan |  | 35 | 39 |
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan | Accounts Payable and Accrued Liabilities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Liability under non-qualified defined contribution plan |  | $ 1 | $ 1 |

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