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Retirement Plans (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 30, 2021 | Feb. 01, 2020 | Feb. 02, 2019
Defined Benefit Plan Disclosure [Line Items] |  |  |
Number of hours required for participation in defined benefit and defined contribution plans | 1,000 hours or more |  |
Liability under qualified defined contribution plan | $ 74 | $ 104 |
Pension Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year | $ 35 |  |
Expected long-term return on plan assets | 6.25% | 6.50% | 6.75%
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 | 5.75% |  |
Unfunded commitments to certain of these investments | $ 39 | $ 43 |
Pension Plan [Member] | Minimum [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Range of investment lock-up period, in years | 1 year | 1 year |
Pension Plan [Member] | Maximum [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Range of investment lock-up period, in years | 8 years | 8 years |
Pension Plan [Member] | Equity securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation for equity securities in defined benefit plan | 21.00% |  |
Pension Plan [Member] | Debt Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation for equity securities in defined benefit plan | 74.00% |  |
Pension Plan [Member] | Real Estate Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation for equity securities in defined benefit plan | 2.00% |  |
Pension Plan [Member] | Private equity [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation for equity securities in defined benefit plan | 3.00% |  |
Supplemental Employee Retirement Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation for defined benefit plan | $ 673 | $ 681 |
Defined Contribution Qualified Plan [Member] | Other Postretirement Benefits Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Employee retirement plan expense | 68 | 96 | $ 96
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Employee retirement plan expense | 1 | 2 | $ 1
Investments | 36 | 34 |
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member] | Other Liabilities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Liability under non-qualified defined contribution plan | 36 | 34 |
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member] | Accounts Payable and Accrued Liabilities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Liability under non-qualified defined contribution plan | $ 1 | $ 2 |

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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