Equity - EPS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Basic EPS
Net Income Available to Ingredion	$ 216	$ 191
Weighted average number of shares outstanding, basic	65.7	66.1
Basic earnings per common share of Ingredion (in dollars per share)	$ 3.29	$ 2.89
Effect of Dilutive Securities:
Incremental shares from assumed exercise of dilutive stock options and vesting of dilutive RSUs and other awards	1.1	1.0
Diluted EPS:
Net Income Available to Ingredion	$ 216	$ 191
Weighted average number of shares outstanding - diluted, Total	66.8	67.1
Diluted earnings per common share of Ingredion (in dollars per share)	$ 3.23	$ 2.85
Antidilutive securities excluded in calculation of diluted EPS:
Antidilutive securities excluded from computation of earnings per share amount (in shares)	0.5	0.7