| Document and Entity Information | May 08, 2020 |
| Cover [Abstract] | |
| Entity Registrant Name | Ingredion Inc |
| Amendment Flag | false |
| Entity Central Index Key | 0001046257 |
| Document Type | 8-K |
| Document Period End Date | May 8, 2020 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 1-13397 |
| Entity Tax Identification Number | 22-3514823 |
| Entity Address, Address Line One | 5 Westbrook Corporate Center |
| Entity Address, City or Town | Westchester |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60154-5749 |
| City Area Code | (708) |
| Local Phone Number | 551-2600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $0.01 par value per share |
| Trading Symbol | INGR |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
