Cover [Abstract] Document Information [Table] Document Information [Line Items] Document Type Document Annual Report Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company ICFR Auditor Attestation Flag Entity Public Float Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Consolidated Statements of Income Statement [Table] Statement [Line Items] Statement Revenue from Contract with Customer, Excluding Assessed Tax Net sales Total net sales Cost of Goods and Services Sold Cost of sales Gross Profit Gross profit Gross profit Represent the amount of operating expenses excluding restructuring charges. Operating Expenses Excluding Restructuring Charges Operating expenses Other Operating Income (Expense), Net Other income, net Other income - net Restructuring, Settlement and Impairment Provisions Restructuring/impairment charges Restructuring/impairment charges Operating Income (Loss) Operating income The net amount of expense (income) derived from financing activities, including: the aggregate cost of borrowed funds accounted for as interest that was charged against earnings during the period; the noncash expenses charged against earnings in the period to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments; income derived from investments in cash and cash equivalents; and foreign currency transaction gains and losses. Financing Costs, Net Financing costs, net Financing costs, net Other Nonoperating Income (Expense) Other, non-operating (income) expense, net Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Provision for income taxes Total provision for income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Parent Net income attributable to Ingredion Net income attributable to Ingredion Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted average number of shares outstanding, basic Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted, Total Earnings per Common Share Earnings per common share of Ingredion: Earnings Per Share, Basic Basic (in dollars per share) Basic earnings per common share of Ingredion (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Diluted earnings per common share of Ingredion (in dollars per share) Consolidated Statements of Comprehensive Income Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Gains (losses) on cash flow hedges, net of income tax effect of $2 and $5, respectively Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Gains on cash flow hedges, net of income tax effect of $2 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Losses on cash flow hedges reclassified to earnings, net of income tax effect of $17 and $4, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Losses on cash flow hedges reclassified to earnings, net of income tax effect of $2 Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Actuarial (losses) gains on pension and other postretirement obligations, settlements and plan amendments, net of income tax effect of $1, $2, and $5, respectively Currency translation adjustment Currency translation adjustment Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest Less: Comprehensive income attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to Ingredion Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Gains (losses) on cash flow hedges, income tax (expense) benefit of $2 and $5, respectively Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Gains on cash flow hedges, income tax (expense) of $2 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Losses on cash flow hedges reclassified to earnings, income tax benefit of $17 and $4, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Losses on cash flow hedges reclassified to earnings, income tax benefit of $2 Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax Actuarial (losses) gains on pension and other postretirement obligations, settlements and plan amendments, net of income tax benefit (expense) of $1, $2, and $5, respectively Consolidated Balance Sheet Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Other Short-term Investments Short-term investments Receivables, Net, Current Accounts receivable, net Total accounts receivable, net Inventory, Net Inventories Total inventories Prepaid Expense, Current Prepaid expenses Assets, Current Total current assets Property, Plant and Equipment, Net Property, plant and equipment, net of accumulated depreciation of $3,175 and $3,056, respectively Property, plant and equipment, net Goodwill Balance at the end of the period Balance at the beginning of the period Goodwill Intangible Assets, Net (Excluding Goodwill) Other intangible assets, net of accumulated amortization of $229 and $197, respectively Total other intangible assets, Net Other intangible assets, net Operating Lease, Right-of-Use Asset Operating lease assets Deferred Income Tax Assets, Net Deferred income tax assets Other Assets, Noncurrent Other assets Assets Total assets Total assets Liabilities and Equity [Abstract] Liabilities and equity Liabilities, Current [Abstract] Current liabilities: Debt, Current Short-term borrowings Total short-term borrowings Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Total accrued liabilities Liabilities, Current Total current liabilities Other Liabilities, Noncurrent Non-current liabilities Total non-current liabilities Long-term Debt, Excluding Current Maturities Long-term debt Long-term debt, noncurrent Operating Lease, Liability, Noncurrent Non-current operating lease liabilities Deferred Income Tax Liabilities, Net Deferred income tax liabilities Liabilities Total liabilities Temporary Equity, Carrying Amount, Attributable to Parent Share-based Payments Subject to Redemption, Ending Balance Share-based Payments Subject to Redemption, Beginning Balance Share-based payments subject to redemption Redeemable Noncontrolling Interest, Equity, Carrying Amount Redeemable Non-Controlling Interests, Ending Balance Redeemable Non-Controlling Interests, Beginning Balance Redeemable non-controlling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity Stockholders' Equity Attributable to Parent [Abstract] Ingredion stockholders' equity: Preferred Stock, Value, Issued Preferred stock - authorized 25,000,000 shares - $0.01 par value, none issued Common Stock, Value, Issued Common stock - authorized 200,000,000 shares - $0.01 par value, 77,810,875 issued at December 31, 2020 and 2019, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Treasury Stock Common, Value Less: Treasury stock (common stock: 10,795,346 and 10,993,388 shares at December 31, 2020 and 2019, respectively) at cost Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Accumulated other comprehensive income (loss) Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Balance at the end of the period Balance at the beginning of the period Total Ingredion stockholders' equity Nonredeemable Noncontrolling Interest Non-redeemable non-controlling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total equity Liabilities and Equity Total liabilities and equity Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation Property, plant and equipment, Accumulated depreciation Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Amortization Other intangible assets - accumulated amortization (in dollars) Preferred Stock, Shares Authorized Preferred stock, authorized (in shares) Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Issued Preferred stock, issued (in shares) Common Stock, Shares Authorized Common stock, authorized (in shares) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares, Issued Common stock, issued (in shares) Treasury Stock, Shares Treasury stock (in shares) Consolidated Statements of Equity and Redeemable Equity Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid-in Capital Treasury Stock [Member] Treasury Stock Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss Retained Earnings [Member] Retained Earnings Noncontrolling Interest [Member] Non-Controlling Interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Accumulated Other Comprehensive Loss Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Net income (loss) Dividends, Common Stock Dividends declared Treasury Stock, Value, Acquired, Cost Method Repurchases of common stock, net Repurchases of common stock (in dollars) Increase (decrease) in equity for aggregate amount of noncash, equity-based remuneration. This may include the value of stock options, amortization of restricted stock, restricted stock units and adjustment for officers' compensation. This also includes the issuance of common shares upon the exercise of options. Share Based Compensation During Period Share-based compensation, net of issuance Other Comprehensive loss Other comprehensive income (loss) Stockholders' Equity, Other Other Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity Increase (decrease) in temporary equity for share-based compensation, net of issuance during the period. Temporary Equity, Share-Based Compensation, Net of Issuance Share-based compensation, net of issuance Temporary Equity, Net Income Net income (loss) attributable to non-controlling interests Value of acquisition of redeemable noncontrolling interests attributable to temporary equity during the period. Temporary Equity, Acquisition of Redeemable Non-controlling Interests Acquisition of redeemable non-controlling interests Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash provided by operating activities Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Non-cash charges to net income: Depreciation, Depletion and Amortization Depreciation and amortization The aggregate expense recognized in the current period for mechanical stores. Mechanical Stores Expense Mechanical stores expense Deferred Income Tax Expense (Benefit) Deferred income taxes Total deferred tax expense (benefit) Amount of fair value markup of acquired inventory charged to costs during the period. Charge for Fair Value Mark up of Acquired Inventory Charge for fair value markup of acquired inventory Charge for fair value markup of acquired inventory Total other non-cash charges (credits) included in net income that results in no cash inflows or outflows in the period. Other Non Cash Charges Credits To Net Income Other Total other non-cash charges to net income Increase (Decrease) in Operating Capital [Abstract] Changes in working capital: The net change during the reporting period in the total amount due within one year (or one business cycle) from all parties associated with underlying transactions that are classified as operating activities, plus the net change during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. Increase (Decrease) in Accounts Receivable and Prepaid Expense Accounts receivable and prepaid expenses Increase (Decrease) in Inventories Inventories Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued liabilities Increase (Decrease) in Margin Deposits Outstanding Margin accounts Other Operating Activities, Cash Flow Statement Other Net Cash Provided by (Used in) Operating Activities Cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash used for investing activities Payments to Acquire Property, Plant, and Equipment Capital expenditures and mechanical stores purchases Capital expenditures and mechanical stores purchases Payments to Acquire Businesses, Net of Cash Acquired Payments for acquisitions, net of cash acquired of $14, $4 , and $ - , respectively Payment for acquisition, net of cash acquired Payments to Acquire Interest in Subsidiaries and Affiliates Investment in non-consolidated affiliates Payments for (Proceeds from) Short-term Investments Short-term investments Proceeds from Sale of Property, Plant, and Equipment Proceeds from disposal of manufacturing facilities and properties Payments for (Proceeds from) Other Investing Activities Other Net Cash Provided by (Used in) Investing Activities Cash used for investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash used for financing activities The cash inflows from short-term and long-term borrowings. Proceeds from Borrowings Proceeds from borrowings The cash outflows for short-term and long-term debt obligations. Payments on Debt Payments on debt Payments of Debt Issuance Costs Debt issuance costs Proceeds from (Repurchase of) Equity Repurchases of common stock, net Amount of cash inflow (outflow) from issuance of shares under share-based compensation arrangement, excluding stock option exercises, net of settlements. Proceeds From Payments Of Issuance Of Shares Under Incentive And Share Based Compensation Plans Net Of Settlements Issuances of common stock for share-based compensation, net of settlements Payments of Dividends Dividends paid, including to non-controlling interests Net Cash Provided by (Used in) Financing Activities Cash provided by (used for) financing activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effects of foreign exchange rate changes on cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash Acquired from Acquisition Cash acquired from acquisition Description of the Business Nature of Operations [Text Block] Description of the Business Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Acquisitions Business Combination Disclosure [Text Block] Acquisitions Revenue Recognition Revenue from Contract with Customer [Text Block] Revenue Recognition Restructuring and Impairment Charges Restructuring and Related Activities Disclosure [Text Block] Restructuring and Impairment Charges Financial Instruments, Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Financial Instruments, Derivatives and Hedging Activities Financing Arrangements Debt Disclosure [Text Block] Financing Arrangements Leases Lessee, Operating Leases [Text Block] Leases Income Taxes