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Retirement Benefits (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jul. 31, 2021 | Jul. 31, 2021 | Aug. 01, 2020 | Jul. 31, 2021 | Aug. 01, 2020
Qualified Plan |  |  |  |  |
Retirement Benefits Disclosure [Line Items] |  |  |  |  |
Expense related to the qualified plan |  | $ 19 | $ 18 | $ 40 | $ 39
Nonqualified Plan | Supplemental Employee Retirement Plan |  |  |  |  |
Retirement Benefits Disclosure [Line Items] |  |  |  |  |
Payment for final settlement under non-qualified plan | $ 143 |  |  |  |

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- Definition Defined Contribution Plan, Payment For Settlement + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Details
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- Details
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- Details
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