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Pension and Other Postretirement Benefits - Multiemployer Plans (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Multiemployer Plans
Multiemployer benefit plan that company contributes to | item	1
Multiemployer Plan, Pension, Significant, Employer Contribution Exceeds Five Percent [true false]	false
Multiemployer plan contributions | $	$ 14	$ 14	$ 13

X

- Definition

Number of multiemployer benefit plan that the entity contributes to.

+ References

No definition available.

+ Details

Name:	ingr_MultiemployerPlansNumber
Namespace Prefix:	ingr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

Indicates (true false) whether, in plan's most recently available annual report, employer contribution exceeds five percent of total contribution from all participating employers to multiemployer pension plan determined to be individually significant.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

+ Details

Name:	us-gaap_MultiemployerPlanPensionSignificantEmployerContributionExceedsFivePercent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of contribution received by multiemployer pension plan from all employers participating in multiemployer pension plan determined to be individually significant.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 7
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450678-114947

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

+ Details

Name:	us-gaap_MultiemployerPlanPensionSignificantPlanContribution
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration