2.2.0.7 true Derivative Financial Instruments and Hedging Activities (Details) (USD $) 0615 - Disclosure - Derivative Financial Instruments and Hedging Activities (Details) true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 $ false 3 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 36 Derivative Financial Instruments and Hedging Activities (Textuals) [Abstract] 2 hnz_DerivativeFinancialInstrumentsAndHedgingActivitiesTextualsAbstract hnz false na duration Derivative Financial Instruments And Hedging Activities Textuals. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false xbrli:stringItemType string Derivative Financial Instruments And Hedging Activities Textuals. false 37 Notional amount of foreign currency derivatives 2 us-gaap_NotionalAmountOfForeignCurrencyDerivatives us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 1720000000 1720000000 false false false 2 false false false false 0 0 false false false 3 true true false false 1640000000 1640000000 false false false xbrli:monetaryItemType monetary Aggregate notional amount of foreign currency exchange rate derivatives. 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No authoritative reference available. false 302 Derivatives designated as hedging instruments: 2 hnz_DerivativesAssetsDesignatedAsHedgingInstrumentsAbstract hnz false na duration Derivatives Assets designated as hedging instruments. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false xbrli:stringItemType string Derivatives Assets designated as hedging instruments. false 303 Other receivables, net 2 hnz_DerivativeAssetDesignatedAsHedgingInstrumentFairValueOtherReceivablesNet hnz false debit instant Derivative Asset Designated As Hedging Instrument Fair Value Other Receivables Net. false false false false false false false false false false false verboselabel false 1 false true false false 0 0 false false false 2 false false false false 0 0 false false false 3 false true false false 0 0 false false false xbrli:monetaryItemType monetary Derivative Asset Designated As Hedging Instrument Fair Value Other Receivables Net. 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No authoritative reference available. false 317 Other non-current liabilities 2 hnz_DerivativeLiabilityNotDesignatedAsHedgingInstrumentFairValueOtherLiabilities hnz false credit instant Derivative Liability Not Designated As Hedging Instrument Fair Value Other Liabilities. false false false false false false false false false false false totallabel false 1 false true false false 0 0 false false false 2 false false false false 0 0 false false false 3 false true false false 0 0 false false false xbrli:monetaryItemType monetary Derivative Liability Not Designated As Hedging Instrument Fair Value Other Liabilities. 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