Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 31, 2019
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-13397
Entity Registrant Name	Ingredion Inc
Entity Incorporation, State or Country Code	DE
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
City Area Code	708
Local Phone Number	551-2600
Title of 12(b) Security	Common Stock, $.01 par value per share
Trading Symbol	INGR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		66,763,991
Entity Central Index Key	0001046257
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false