Derivatives and Hedging - Outstanding Contracts (Details) - Cash Flow Hedges lb in Millions, bu in Millions	12 Months Ended
Oct. 25, 2020 lb bu	Oct. 27, 2019 lb bu
Corn
Derivatives and Hedging
Future contracts, volume (in million bushels) \| bu	26.0	30.4
Lean Hogs
Derivatives and Hedging
Futures contracts, volume (in million pounds) \| lb	153.7	187.3

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