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Commitments and Contingencies (Letters of Credit) (Narrative) (Details) $ in Millions | Feb. 02, 2020 USD ($)
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Other Liabilities, Unclassified [Abstract] |
Outstanding letters of credit | $ 384

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_OtherLiabilitiesUnclassifiedAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration