Document and Entity Information Statement [Table] Statement [Line Items] Statement Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Condensed Consolidated Statements of Income The gross amount of revenue from contract with customer before shipping and handling costs were subtracted. Revenue from Contract with Customer, Before Shipping and Handling Costs Net sales before shipping and handling costs Costs incurred during the period for shipping and handling. Shipping And handling Costs Less: Shipping and handling costs Sales Revenue, Goods, Net Net sales Net sales Cost of Goods and Services Sold Cost of sales 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 Restructuring, Settlement and Impairment Provisions Restructuring/impairment charges Operating Expenses Operating expenses Operating Income (Loss) Operating income Operating income Total 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 Other Nonoperating Income Other, non-operating income Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Provision for income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to non-controlling interests 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) Condensed Consolidated Statements of Comprehensive Income Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive (loss) income: Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax (Losses) gains on cash flow hedges, net of income tax effect of $5, $1, $- and $4, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax (Gains) losses on cash flow hedges reclassified to earnings, net of income tax effect of $-, $-, $1 and $1, respectively Actuarial gains on pension and postretirement obligations, settlements and plan amendments, net of income tax effect of $2 Actuarial gains (losses) on pension and other postretirement obligations, settlements and plan amendments, net of income tax effect of $- Losses related to pension and postretirement obligations reclassified to earnings, net of income tax effect Gains related to pension and other postretirement obligations reclassified to earnings, net of income tax effect of $- Unrealized gain on investment, net of income tax effect Unrealized gains on investments, net of income tax effect of $- Currency translation adjustment Currency translation adjustment Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive (loss) 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 (loss) income attributable to Ingredion Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax (Losses) gains on cash-flow hedges, income tax effect Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax (Gains) losses on cash-flow hedges reclassified to earnings, income tax effect Condensed Consolidated Balance Sheets Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Other Short-term Investments Short-term investments Receivables, Net, Current 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 $3,003 and $2,991, respectively Goodwill Goodwill Intangible Assets, Net (Excluding Goodwill) Other intangible assets, net of accumulated amortization of $153 and $139, respectively Deferred Tax Assets, Net, Noncurrent 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: Short-term Debt Short-term borrowings Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities Liabilities, Current Total current liabilities Liabilities, Noncurrent Non-current liabilities Long-term Debt, Excluding Current Maturities Long-term debt Deferred Tax Liabilities, Net, Noncurrent Deferred income tax liabilities Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Ending Balance Beginning Balance Share-based payments subject to redemption 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 June 30, 2018 and December 31, 2017, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Treasury Stock Common, Value Less: Treasury stock (common stock: 6,791,995 and 5,815,904 shares at June 30, 2018 and December 31, 2017, respectively) at cost Accumulated Other Comprehensive Income (Loss), Net of Tax Balance at end of the period Balance at the beginning of the period Accumulated other comprehensive loss Accumulated gains (losses) from derivative instruments, net of tax effect Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total Ingredion stockholders’ equity Stockholders' Equity Attributable to Noncontrolling Interest 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 Property, plant and equipment, Accumulated depreciation Finite-Lived Intangible Assets, Accumulated Amortization Other intangible assets - accumulated amortization (in dollars) Preferred Stock, Shares Authorized Preferred stock, authorized shares Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, authorized shares Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares, Issued Common stock, shares issued Treasury Stock, Shares Treasury stock, shares Condensed 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 Dividends, Common Stock Dividends declared Treasury Stock, Value, Acquired, Cost Method Repurchase of common stock The 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) Net other comprehensive (loss) income Stockholders' Equity, Other Other Condensed 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 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 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 for (Proceeds from) Productive Assets Capital expenditures and mechanical stores purchases, net proceeds on disposals Payments to Acquire Businesses, Net of Cash Acquired Payments for acquisitions Payments for (Proceeds from) Short-term Investments Short-term investments 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 Proceeds from (Repurchase of) Equity Repurchases of common stock 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 used for financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effects of foreign exchange rate changes on cash Cash and Cash Equivalents, Period Increase (Decrease) Decrease in cash and cash equivalents Interim Financial Statements Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Interim Financial Statements Recently Adopted and New Accounting Standards New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recently Adopted and New Accounting Standards Acquisitions Business Combination Disclosure [Text Block] Acquisitions Revenue Recognition Revenue from Contract with Customer [Text Block] Revenue Recognition Impairment and Restructuring Charges Represents entire disclosure of asset impairment and restructuring charges. Asset Impairment and Restructuring Charges [Text Block] Impairment and Restructuring Charges Segment Information Segment Reporting Disclosure [Text Block] Segment Information Financial Instruments, Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Financial Instruments, Derivatives and Hedging Activities Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-Based Compensation Net Periodic Pension and Postretirement Benefit Costs Pension and Other Postretirement Benefits Disclosure [Text Block] Benefit plans Earnings Per Share [Text Block] Earnings per Common Share Inventories Inventory Disclosure [Text Block] Inventories Debt Debt Disclosure [Text Block] Debt Income Taxes Income Tax Disclosure [Text Block] Income Taxes Accumulated Other Comprehensive Loss. Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Loss New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Disaggregation of Revenue [Table Text Block] Schedule of disaggregation of net sales by industry served Schedule of Restructuring and Related Costs [Table] Restructuring Cost and Reserve [Line Items] Restructuring and asset impairment charges Impairment and Restructuring Charges [Table Text Block] Summary of restructuring reserve Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of segment reporting of net sales, operating income and total assets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of location and amount of assets and liabilities reported in balance sheet Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of amount of gains and losses recognized in OCI and location and amount of gains and losses reported in income statement Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of fair value of financial instruments and derivatives Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of valuation assumptions for stock options Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of stock option activity Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] Schedule of additional information pertaining to stock option activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of restricted unit activity Represents the information about components of share based compensation expense. Components Of Share Based Compensation Expense [Table Text Block] Schedule of components of share based compensation expense Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Pension Plans Defined Benefit [Member] Pension Plan Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Pension and postretirement benefit plans Schedule of Net Benefit Costs [Table Text Block] Components of net periodic benefit cost Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of basic and diluted earnings per common share Schedule of Inventory, Current [Table Text Block] Components of inventories Schedule of Debt [Table Text Block] Schedule of debt The tabular disclosure of the amount of reasonable estimate for income tax expense (benefit) from effect of Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts And Jobs Act Of 2017 Incomplete Accounting Provisional Income Tax Expense Benefit [Table Text Block] Schedule of impact of the TCJA on 2017 income tax expense Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Summary of net changes in accumulated other comprehensive loss Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Schedule of reclassifications from AOCI into net income The percentage of total revenues. Revenue Total Percentage Percentage of total revenue Schedule of Business Acquisitions, by Acquisition [Table] Segments [Axis] Segment [Domain] Segments [Domain] Represents information pertaining to Asia Pacific segment. Asia Pacific Segment [Member] Asia Pacific Business Acquisition [Line Items] Acquisitions Business Combination, Consideration Transferred Total purchase consideration Payments to Acquire Businesses, Gross Cash consideration The accrued expenses paid on installment basis on excluding the goodwill acquired at the acquisition date. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Expenses Accrued expenses Intangible Assets, Net (Including Goodwill) Intangible Assets, Net (including goodwill) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Tangible assets Business Combination, Integration Related Costs Acquisition / integration costs Pre-tax Acquisition and integration costs Disaggregation of Revenue [Table] Represents information pertaining to North America segment. North America Segment [Member] North America Represents information pertaining to South America segment. South America Segment [Member] South America Represents information pertaining to Middle East and Africa segment. E M E A Segment [Member] EMEA Disaggregation of Revenue [Line Items] Revenue, Practical Expedient, Incremental Cost of Obtaining Contract [true/false] Revenue, practical expedient incremental cost Number of Reporting Units Number of reportable units Represents the number of industries the in which the entity is serving products to customers. Number of Industries Serving Products Number of Industries Restructuring Type [Axis] Type Of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance [Member] Employee Severance related costs Termination of an employee and other costs associated with exit from or disposal of business activities or restructurings and pursuant to a plan Employee Severance And Other Costs [Member] Employee Severance And Other Costs Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Represents the information related to the Argentina employee related severance. Optimization Initiative Of Argentina [Member] Argentina employee-related severance Information pertaining to the finance transformation initiative. Finance Transformation Initiative [Member] Finance Transformation Initiative Represents the information pertaining to stevia leaf extraction process in Brazil Stevia Leaf Extraction Process In Brazil [Member] Stevia Leaf Extraction Process in Brazil Information pertaining to the Cost Smart program. Cost Smart Program [Member] Cost Smart Program Information pertaining to the cessation of wet-milling at the Stockton, CA plant. Cessation Of Wet Milling At Stockton California [Member] Cessation Of Wet-Milling At Stockton California Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Scenario Forecast [Member] Forecast Restructuring Charges Restructuring / impairment charges Restructuring charges Represents the accelerated depreciation on equipment recorded during the period to reflect the shorter useful life. Accelerated Depreciation Accelerated depreciation A reduction in the amount of future expected expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reduction Of Expected Future Restructuring Charges Reduction in expected restructuring charges Other Restructuring Costs Other additional restructuring charges Impairment of Long-Lived Assets to be Disposed of Charges for impaired assets Restructuring Reserve [Roll Forward] Restructuring accrual Restructuring Reserve Balance in employee-related severance accrual at June 30, 2018 Balance in employee-related severance accrual at December 31, 2017 Severance Costs Cost Smart severance Payments for Restructuring Payments made to terminated employees Restructuring Reserve, Foreign Currency Translation Gain (Loss) Foreign exchange translation Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments [Member] Operating Segments Corporate Non Segment [Member] Corporate, Non -Segment Segment Reporting Information [Line Items] Segment information Number of Reportable Segments Number of reportable business segments Derivative [Table] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging [Member] Cash Flow Hedging Fair Value Hedging [Member] Fair Value Hedging Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Commodity Contract [Member] Commodity Contracts Treasury Lock [Member] Treasury Lock Interest Rate Swap [Member] Interest Rate Swap Foreign Exchange Forward [Member] Foreign Exchange Forward Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum Maximum [Member] Maximum Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] Represents the senior note due on November 1, 2020 at 4.625% interest rate. Senior Notes4625 Percent Due November12020 [Member] Senior Notes 4.625 Percent Due November 1, 2020 Position [Axis] Position [Domain] Position [Domain] Short [Member] Short Long [Member] Long Derivative [Line Items] Financial instruments, derivatives and hedging activities General period of time over which entity hedges its exposure to commodity price risk. Length of Time Hedged in Price Risk, Cash Flow Hedge Maturity period of price risk derivative Total tax effect of the accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. Accumulated Other Comprehensive Income (Loss) Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges Effect Tax Effect Tax effect on gain (loss) on derivative instruments Debt Instrument, Face Amount Debt, face amount Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Debt, fixed interest rate (as a percent) Debt Instrument, Description of Variable Rate Basis Debt, floating rate of interest basis Derivative Asset, Not Subject to Master Netting Arrangement Fair value of assets Derivative assets Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments Increase (decrease) in fair value of instrument Nominal volume used to calculate payments on a derivative instrument as of the reporting date. Derivative Nonmonetary Notional Amount Volume1 Futures contract (in bushels for corn and gallons for ethanol) Nominal mass used to calculate payments on a derivative instrument as of reporting date. Derivative Nonmonetary Notional Amount Mass1 Soybean oil futures contract (in pounds) Nominal energy measure used to calculate payments on a derivative instrument as reporting date. Derivative Nonmonetary Notional Amount Energy Measure1 Natural gas futures contract (in mmbtu) Foreign Currency Derivatives [Abstract] Foreign currency hedging Derivative, Notional Amount Derivative notional amount Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated As Hedging Instrument [Member] Designated as Hedging Instrument Derivative instrument whose primary underlying risk is tied to commodity prices and foreign exchange rates. Commodity And Foreign Currency Contracts [Member] Commodity and Foreign Currency Contracts Represents the disclosure for Commodity, foreign currency, and interest rate contracts. Commodity Foreign Currency And Interest Rate Contracts [Member] Commodity, foreign currency, and interest rate contracts Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accounts receivable, an item in the statement of financial position in which the fair value amounts of the derivative instruments are included. Accounts Receivable Net [Member] Accounts Receivable, Net Accounts Payable And Accrued Liabilities [Member] Accounts Payable and Accrued Liabilities Other Assets [Member] Other Assets Non-current liabilities, an item in the statement of financial position in which the fair value amounts of the derivative instruments are included. Non Current Liabilities [Member] Non Current Liabilities Derivatives, Fair Value [Line Items] Fair value of commodity contracts Derivative Liability, Not Subject to Master Netting Arrangement Fair value of liabilities Derivative liabilities Derivative Instruments, Gain (Loss) [Table] Interest Rate Contract [Member] Interest Rate Contract Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost Of Sales [Member] Cost of Sales The allocation (or location) of expense to (in) financing Cost. Financing Costs [Member] Financing Costs, Net Derivative Instruments, Gain (Loss) [Line Items] Gains or losses on derivatives Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Amount of Gains (Losses) Recognized in OCI on Derivatives Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of Gains (Losses) Reclassified from AOCI into Income Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months Loss expected to be reclassified into earnings during the next twelve months on settled commodity hedging contracts, net of tax Represents the estimated amount of income tax effect on unrealized gains or losses on price risk cash flow hedges, as of the balance sheet date, expected to be reclassified to earnings within the next twelve months. Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months Tax Effect Loss expected to be reclassified into earnings during the next twelve months on settled commodity hedging contracts, income tax effect Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Loss expected to be reclassified into earnings during the next twelve months on settled T-Locks, net of tax Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Fair Value, Measurements, Recurring Measurement Basis [Axis] Portion At Fair Value Fair Value Disclosure [Member] Portion at Fair Value Measurement [Member] Estimate Of Fair Value Fair Value Disclosure [Member] Estimate of Fair Value Measurement Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Fair Value, Inputs, Level 1 Fair Value Inputs Level2 [Member] Fair Value, Inputs, Level 2 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair value of assets and liabilities Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Equity Securities, FV-NI available for sale securities Long-term Debt Long-term debt Long-term Debt, Fair Value Long-term debt Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] An arrangement whereby an employee is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement as a part of a non-qualified stock option. Although there are variations, normally, after vesting, when an option is exercised, the employee-holder pays the strike value in cash to the issuing employer-entity and receives equity shares. The equity shares can be sold into the market for cash at the current market price without restriction. Options may be used to attract, retain and incentivize employees, in addition to their regular salary and other benefits. Employee Non Qualified Stock Option [Member] Employee Non-Qualified Stock Option Employee Stock Option [Member] Employee Stock Option Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Term of options Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Period of vesting Vesting terms Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Service period over which compensation expense would be amortized Required service period Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Assumptions used to measure the fair value of awards Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected life Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Stock option activity Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding at the end of the period (in shares) Outstanding at the beginning of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Cancelled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable at the end of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Share options, weighted average exercise price per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding at the end of the period (in dollars per share) Outstanding at the beginning of the period (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Cancelled (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable at the end of the period (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award, Options, Aggregate Intrinsic Value Disclosures [Abstract] Share options, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options outstanding aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Stock options exercisable aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options outstanding average remaining contractual life Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Stock options exercisable average remaining contractual life No definition available. Share Based Compensation Arrangement by Share Based Payment Award, Stock Options, Additional Disclosures [Abstract] Additional information pertaining to stock options Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options Cash received from exercise of stock options Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized compensation cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Weighted-average period for amortization of unrecognized compensation cost Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value of stock options granted (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Total intrinsic value of stock options exercised Restricted Stock Units R S U [Member] Restricted Stock Units (RSUs) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Restricted stock unit activity Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Non-vested at the end of the period (in shares) Non-vested at the beginning of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested (in shares) Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Cancelled (in shares) Cancelled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Weighted-average fair value per share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Non-vested at the end of the period (in dollars per share) Non-vested at the beginning of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Cancelled (in dollars per share) Performance Shares [Member] Performance Shares Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Represents the long term incentive plan for officers included in other share-based awards under the SIP. Long Term Incentive Plan [Member] Long Term Incentive Plan Other Share Based Awards, under Stock Incentive Plan [Abstract] Other disclosures Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Performance shares available for vesting (as a percent) Represents the vesting percentage achieved. Performance Share Units Award Achieved As Percent Award payout achieved (as a percent) Deferred Compensation Arrangement with Individual, Requisite Service Period Remaining requisite service period (in years) Represents the performance shares and other share based awards member Performance Shares And Other Share Based Awards [Member] Performance shares and other share-based awards Employee Service Share-based Compensation, Aggregate Disclosures [Abstract] Share-based compensation expense Allocated Share-based Compensation Expense Pre-tax compensation expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Income tax benefit Stock option expense, net of income taxes Total share-based compensation expense, net of income taxes Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Employee benefit plans Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Components of Net Periodic Benefit Costs Defined Benefit Plan, Service Cost Service cost Defined Benefit Plan, Interest Cost Interest cost Defined Benefit Plan, Expected Return on Plan Assets Expected return on plan assets Defined Benefit Plan, Amortization of Gains (Losses) Amortization of actuarial loss Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of prior service credit Defined Benefit Plan, Net Periodic Benefit Cost Net periodic benefit cost/Net postretirement benefit costs Defined Benefit Plan, Estimated Future Employer Contributions [Abstract] Anticipated cash contributions Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year Anticipated cash contributions to pension plans in 2018 Defined Benefit Contributions Employer [Abstract] Employer Contributions Defined Benefit Plan, Contributions by Employer Cash contributions to defined benefit pension plan Earnings Per Share, Basic [Abstract] Basic EPS: Net Income Available to Ingredion - basic Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Effect of Dilutive Securities: Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Incremental shares from assumed exercise of dilutive stock options and vesting of dilutive RSUs and other awards Earnings Per Share, Diluted [Abstract] Diluted EPS: Net Income Available to Ingredion - diluted Earnings Per Share, Diluted, Other Disclosures [Abstract] Antidilutive securities excluded in calculation of diluted EPS: Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of earnings per share amount Inventory, Finished Goods and Work in Process, Gross Finished and in process Inventory, Raw Materials, Gross Raw materials Other Inventory, Supplies, Gross Manufacturing supplies and other Schedule of Long-term Debt Instruments [Table] Debt Instrument [Line Items] Debt Represents the carrying amount of an adjustment of fair value related to hedged fixed rate debt. Carrying Amount of Fair Value Adjustment Hedged Fixed Rate Debt Fair value adjustment related to hedged fixed rate debt Debt, Long-term and Short-term, Combined Amount Total debt Debt Instrument, Interest Rate, Stated Percentage Debt, interest rate (as a percent) Repayments of Long-term Debt Repayments of long-term debt Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Provision for tax at statutory rate (as a percent) The dividends received deduction percentage on dividends from foreign subsidiaries as a part of the Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts And Jobs Act Of 2017 Incomplete Accounting Dividends Foreign Subsidiaries Deduction Percentage Foreign subsidiary dividends received deduction percentage Amount of reasonable estimate for income tax expense from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense One-time transition tax Amount of reasonable estimate for income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Provisional Income Tax Expense (Benefit) Remeasurement of deferred tax assets and liabilities Amount of reasonable estimate for income tax expense (benefit) for provision for taxes on unremitted earnings from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Impact Of Provision For Taxes On Unremitted Earnings Net impact of provision for taxes on unremitted earnings Amount of reasonable estimate for income tax expense (benefit) for other items, net from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Other Items Net Other items, net Amount of reasonable estimate for income tax expense (benefit) from effect of Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) Net impact of the TCJA on 2017 income tax expense Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Translation Adjustment [Member] Cumulative Translation Adjustment Accumulated Net Gain Loss From Designated Or Qualifying Cash Flow Hedges [Member] Deferred (Loss) Gain on Hedging Activities Accumulated Defined Benefit Plans Adjustment [Member] Pension and Postretirement Adjustment Accumulated Net Unrealized Investment Gain Loss [Member] Unrealized (Loss) Gain on Investment Accumulated Other Comprehensive Income (Loss) [Line Items] Summary of accumulated other comprehensive income (loss) Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other comprehensive (loss) income before reclassification adjustments Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Total before tax reclassifications Amount reclassified from accumulated OCI Other Comprehensive Income (Loss), Tax Tax provision Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification Out Of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification Out Of Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Amount Reclassified from Accumulated Other Comprehensive Income Pension and Other Postretirement Benefit Expense Gains related to pension and other postretirement obligations Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Total after-tax reclassifications Adjustments for New Accounting Pronouncements [Axis] Type Of Adoption [Member] Type of Adoption [Domain] Accounting Standards Update201409 [Member] ASU 2014-09 Accounting Standards Update 2017-07 Compensation-Retirement Benefits. Accounting Standards Update201707 [Member] ASU 2017-07 Postemployment Retirement Benefits [Member] Postemployment Retirement Benefits Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] A [R] ARGENTINA Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Calculated Under Revenue Guidance In Effect Before Topic606 [Member] As Reported Business Acquisition [Axis] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Represents the information pertaining to TIC Gums Tic Gums [Member] TIC Gums Represents the information pertaining to the Sun Flour. Sunflour [Member] Sun Flour Products and Services [Axis] Products And Services [Domain] Products and Services [Domain] Consumable liquid and non-liquid substance to provide nourishment. Food And Beverage [Member] Food and Beverage Ingredients Represents information pertaining to food industry products. Food [Member] Food Represents information pertaining to beverage industry products. Beverage [Member] Beverage Represents information pertaining to brewing industry products. Brewing [Member] Brewing Represents information pertaining to animal nutrition industry products. Animal Nutrition [Member] Animal Nutrition Article or substance produced by nature, labor or machinery and act of providing assistance, classified as other. Product And Service Other [Member] Other Represents the commodity futures contract of the entity having the underlying commodity as corn. Corn Commodity [Member] Corn Commodity Represents the commodity futures contract of the entity having the underlying commodity as soy bean oil. Soy Bean Oil [Member] Soy Bean Oil Represents the commodity futures contract of the entity having the underlying commodity as natural. Natural Gas Commodity [Member] Natural Gas Commodity Represents the commodity futures contract of the entity having the underlying commodity as ethanol. Ethanol Commodity [Member] Ethanol Commodity Foreign Exchange Contract [Member] Foreign Currency Contracts Sales [Member] Net sales Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Domestic Plan [Member] Domestic Plan U [S] US Foreign Plan [Member] Non-US Represents the 3.20 Percent Senior notes issued on September 22,2016. Senior Notes3.20 Percent Due October12026 [Member] Senior Notes 3.2 Percent Due October 1, 2026 Represents the senior note due on April 15, 2037. Senior Notes6.625 Percent Due2037 [Member] Senior Notes 6.625 Percent Due April 15, 2037 Represents the senior notes due on March 25, 2020. Senior Notes5.62 Percent Due2020 [Member] Senior Notes 5.62 Percent Due March 25, 2020 Represents information pertaining to term loan credit agreement. Term Loan Credit Agreement [Member] Term loan credit agreement due April 25, 2019 Revolving Credit Facility [Member] Revolving credit facility