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Benefit Plans (Narrative) (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2021 USD ($) | Aug. 01, 2020 USD ($) | Jul. 31, 2021 USD ($) Hour | Aug. 01, 2020 USD ($)
Pension And Other Postretirement Benefit Expense [Abstract] |  |  |  |
Number of hours required for participation in defined benefit and defined contribution plans | Hour |  |  | 1,000 |
Defined benefit plan, amount of transferred pension plan assets | $ 256 |  | $ 256 |
Defined benefit plan, settlement charges | $ 81 | $ 38 | $ 81 | $ 38

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- Definition Number Of Hours Required For Participation In Defined Benefit And Defined Contribution Plans + References No definition available. + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from assets transferred into (from) plan. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. + 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 (h)(7) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109237824&loc=SL108413299-114919 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(7) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 + Details
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