XML 87 R71.htm IDEA: XBRL DOCUMENT
v3.19.1

Commitments and Contingencies (Letters of Credit) (Narrative) (Details) $ in Millions | Feb. 03, 2019 USD ($)
--- | ---
Other Liabilities, Unclassified [Abstract] |
Outstanding letters of credit | $ 421

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

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