DERIVATIVES AND HEDGING - Outstanding Contracts (Details) cwt in Millions, bu in Millions	3 Months Ended
Jan. 27, 2019 cwt bu	Oct. 28, 2018 cwt bu
Corn
DERIVATIVES AND HEDGING
Maximum length of time to hedge exposure	2 years
Corn \| Cash Flow Hedges
DERIVATIVES AND HEDGING
Futures contracts, volume (in million bushels) \| bu	20.8	23.0
Lean hogs \| Cash Flow Hedges
DERIVATIVES AND HEDGING
Futures contracts, volume (in centum weight) \| cwt	4.0	0.6

Nominal volume used to calculate payments on a derivative instrument.

No definition available.

Name:	hrl_DerivativeNonmonetaryNotionalAmountVolume1
Namespace Prefix:	hrl_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- 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

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix:	us-gaap_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

+ Details

Name:	us-gaap_MaximumLengthOfTimeHedgedInPriceRiskCashFlowHedge1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=hrl_CommodityContractCornMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=hrl_CommodityContractHogsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: