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Leases - Narrative (Details) $ in Millions | 12 Months Ended
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Oct. 25, 2020 renewal_option | Oct. 27, 2019 USD ($) | Oct. 28, 2018 USD ($)
Leases [Abstract] |  |  |
Finance lease, number of renewal or termination options | 1 |  |
Operating lease, number of renewal or termination options | 1 |  |
Operating lease, number of leases with residual value included in minimum lease payments | 1 |  |
Rent expense | $ |  | $ 23.1 | $ 22.9

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- Definition Lessee, Finance Lease, Number Of Renewal Or Termination Options + References No definition available. + Details
Name: | hrl_LesseeFinanceLeaseNumberOfRenewalOrTerminationOptions
Namespace Prefix: | hrl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Lessee, Operating Lease, Number Of Leases With Residual Value Guarantee + References No definition available. + Details
Name: | hrl_LesseeOperatingLeaseNumberOfLeasesWithResidualValueGuarantee
Namespace Prefix: | hrl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Lessee, Operating Lease, Number Of Renewal Or Termination Options + References No definition available. + Details
Name: | hrl_LesseeOperatingLeaseNumberOfRenewalOrTerminationOptions
Namespace Prefix: | hrl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121573735&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration