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Financial Instruments, Derivatives and Hedging Activities - Commodity price hedging (Details) bu in Millions, MMBTU in Millions	9 Months Ended
	Sep. 30, 2021 MMBTU bu
Commodity Contract [Member] | Minimum [Member]
Financial instruments, derivatives and hedging activities
Maturity period of price risk derivative	12 months
Commodity Contract [Member] | Maximum [Member]
Financial instruments, derivatives and hedging activities
Maturity period of price risk derivative	24 months
Corn Commodity [Member]
Financial instruments, derivatives and hedging activities
Futures contract (in bushels for corn and gallons for ethanol) | bu	79
Natural Gas Commodity [Member]
Financial instruments, derivatives and hedging activities
Natural gas futures contract (in mmbtu) | MMBTU	32

X

- Definition

Nominal energy measure used to calculate payments on a derivative instrument as reporting date.

+ References

No definition available.

+ Details

Name:	ingr_DerivativeNonmonetaryNotionalAmountEnergyMeasure1
Namespace Prefix:	ingr_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Nominal volume used to calculate payments on a derivative instrument as of the reporting date.

+ References

No definition available.

+ Details

Name:	ingr_DerivativeNonmonetaryNotionalAmountVolume1
Namespace Prefix:	ingr_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

X

- Definition

General period of time over which entity hedges its exposure to commodity price risk.

+ References

No definition available.

+ Details

Name:	ingr_LengthOfTimeHedgedInPriceRiskCashFlowHedge
Namespace Prefix:	ingr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- 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

X

- Details

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

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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