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Pension and Other Postretirement Benefits - Multiemployer Plans (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) plan | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Multiemployer Plans |  |  |
Multiemployer benefit plan that company contributes to | plan | 1 |  |
Multiemployer plan, maximum contributions by Ingredion | false |  |
Multiemployer plan contributions | $ | $ 10 | $ 11 | $ 10

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

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- References No definition available. + Details
Name: | us-gaap_MultiemployerPlanEmployerContributionCostAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Indicates (true false) whether, in plan's most recently available annual report, employer contribution exceeds 5 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/exampleRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480547/715-80-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 + Details
Name: | us-gaap_MultiemployerPlanPensionSignificantEmployerContributionExceedsFivePercent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

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- 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/exampleRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480547/715-80-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-7 + Details
Name: | us-gaap_MultiemployerPlanPensionSignificantPlanContribution
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration