Equity - EPS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Basic EPS:
Net Income Available to Ingredion									$ 643	$ 492	$ 117
Weighted average number of shares outstanding, basic									66.0	66.2	67.1
Basic earnings per common share of Ingredion (in dollars per share)	$ 2.00	$ 2.39	$ 2.46	$ 2.89	$ 1.73	$ 1.61	$ 2.14	$ 1.94	$ 9.74	$ 7.43	$ 1.74
Effect of Dilutive Securities:
Incremental shares from assumed exercise of dilutive stock options and vesting of dilutive RSUs and other awards									1.0	0.8	0.7
Diluted EPS:
Net Income Available to Ingredion									$ 643	$ 492	$ 117
Weighted average number of shares outstanding - diluted, Total									67.0	67.0	67.8
Diluted earnings per common share of Ingredion (in dollars per share)	$ 1.97	$ 2.36	$ 2.42	$ 2.85	$ 1.71	$ 1.59	$ 2.12	$ 1.92	$ 9.60	$ 7.34	$ 1.73
Antidilutive securities excluded in calculation of diluted EPS:
Antidilutive securities excluded from computation of earnings per share amount (in shares)									0.5	1.4	0.9