Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Table] Goodwill and Intangible Assets Disclosure [Table] Goodwill and Intangible Assets Disclosure [Table] Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Domain] Reporting Unit [Domain] Europe Europe [Member] North America North America [Member] Latin America Latin America [Member] AMEA Asia, Middle East and Africa [Member] Asia, Middle East and Africa Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Cheese Business Cheese Business [Member] Cheese Business Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Perfect Snacks Perfect Snacks [Member] Perfect Snacks Tate’s Bake Shop Tate’s Bake Shop [Member] Tate’s Bake Shop Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Brands Trademarks [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Gum, Chocolate, Biscuits and Candy Gum, Chocolate, Biscuits and Candy [Member] Gum, Chocolate, Biscuits and Candy Goodwill and Intangible Assets Disclosure [Line Items] Goodwill and Intangible Assets Disclosure [Line Items] Goodwill and Intangible Assets Disclosure [Line Items] Amortization expense for intangible assets Amortization of Intangible Assets Estimated amortization expense of intangibles in year 1 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Estimated amortization expense of intangibles in year 2 Finite-Lived Intangible Assets, Amortization Expense, Year Two Estimated amortization expense of intangibles in year 3 Finite-Lived Intangible Assets, Amortization Expense, Year Three Estimated amortization expense of intangibles in year 4 Finite-Lived Intangible Assets, Amortization Expense, Year Four Estimated amortization expense of intangibles in year 5 Finite-Lived Intangible Assets, Amortization Expense, Year Five Decrease in goodwill for divested assets Goodwill, Written off Related to Sale of Business Unit Acquisition purchase price allocated to goodwill Goodwill Acquisition purchase price allocated to intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Adjustment to goodwill Goodwill, Purchase Accounting Adjustments Impairment of intangible assets Impairment of Intangible Assets (Excluding Goodwill) Weighted-average cost of capital rate Goodwill and Intangibles, Impairment Loss, Weighted-average Cost of Capital, Percentage Goodwill and Intangibles, Impairment Loss, Weighted-average Cost of Capital, Percentage Risk-rated discount rate Goodwill and Intangibles, Impairment Loss, Risk-Rate Discount, Percentage Goodwill and Intangibles, Impairment Loss, Risk-Rate Discount, Percentage Goodwill impairments Goodwill, Impairment Loss Number of impaired brands Impaired Intangible Asset, Number Impaired Intangible Asset, Number Number of brands with fair value in excess of book value, 10% or less Number Of Indefinite Lived Intangibles Fair Value Over Book Value Ten Percent Or Less Number Of Indefinite Lived Intangibles Fair Value Over Book Value 10% or Less Book value of brands with fair value in excess of book value, 10% or less Book Value of Indefinite Lived Intangibles, Fair Value Over Book Value, Ten Percent Or Less Book Value of Indefinite Lived Intangibles, Fair Value Over Book Value, Ten Percent Or Less Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Options Share-based Payment Arrangement, Option [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Mondeléz International stock options excluded from the calculation of diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Equity [Abstract] Schedule of Amounts Reclassified from Accumulated Other Comprehensive Earnings/(Losses) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest rate contracts Interest Rate Contract [Member] Currency exchange contracts Foreign Exchange Contract [Member] Trading Activity [Axis] Trading Activity [Axis] Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] Forecasted transactions Forecasted Transactions [Member] Forecasted Transactions [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash flow hedges Cash Flow Hedging [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] After-tax gains (losses) reclassified from accumulated other comprehensive income into earnings/(losses) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Unrealized (loss)/gain in fair value Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] 2014-2018 Restructuring Program Two Thousand Fourteen To Two Thousand Eighteen Restructuring Program [Member] Two Thousand Fourteen To Two Thousand Eighteen Restructuring Program [Member] Simplify to Grow Program Two Thousand Fourteen to Two Thousand Twenty Two Restructuring Program [Member] Two Thousand Fourteen to Two Thousand Twenty Two Restructuring Program Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Restructuring Program Charges Restructuring Costs [Member] Restructuring Costs [Member] Cash Costs Charges Cash [Member] Charges Cash [Member] Non-cash Costs Charges Noncash [Member] Charges Noncash [Member] Severance and Related Costs Employee Severance [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other current liabilities Other Current Liabilities [Member] Other liabilities Other Noncurrent Liabilities [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Maximum Maximum [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Approved restructuring program cost Restructuring and Related Cost, Expected Cost Approved capital expenditures Capital Expenditures, Authorized Amount Capital Expenditures, Authorized Amount Reallocation of previously approved capital expenditures to be spent on restructuring program cash costs Restructuring Reserve Reclassification Reclassification of planned restructuring program cash spending components. Increase in approved restructuring program costs Restructuring and Related Cost, Expected Cost, Increase Restructuring and Related Cost, Expected Cost, Increase Increase in approved capital expenditures Capital Expenditures, Authorized Amount, Increase Capital Expenditures, Authorized Amount, Increase Restructuring and implementation charges Restructuring And Implementation Costs Restructuring and implementation costs, total Restructuring charges Restructuring Charges Cash spent in restructuring Payments for Restructuring Non-cash asset write-downs Restructuring Reserve, Settled without Cash Restructuring reserve Restructuring Reserve Implementation costs Restructuring Costs Implementation Cost Restructuring costs, implementation cost Goodwill Goodwill [Roll Forward] Balance at January 1, 2019 Currency Goodwill, Foreign Currency Translation Gain (Loss) Divestiture Acquisition Goodwill, Acquired During Period Asset impairments Balance at September 30, 2019 Intangible Assets, at cost Finite-lived and Indefinite-lived Intangible Assets [Roll Forward] Finite-lived and Indefinite-lived Intangible Assets Balance at January 1, 2019 Intangible Assets, Gross (Excluding Goodwill) Currency Intangible Assets (Excluding Goodwill) Foreign Currency Translation Gain (Loss) Reflects net changes to intangible assets for foreign currency translation adjustments. Divestiture Intangible Assets Written Off Related to Divested Business Unit Intangible Assets Written Off Related to Divested Business Unit Acquisition Intangible Assets Acquired Other Than Goodwill Intangible Assets Acquired Other Than Goodwill Asset impairments Balance at September 30, 2019 Inventory Disclosure [Abstract] Raw materials Inventory, Raw Materials, Gross Finished product Inventory, Finished Goods, Gross Inventories, gross Inventory, Gross Inventory reserves Inventory Valuation Reserves Inventories, net Inventory, Net Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of Goodwill by Segment Schedule of Goodwill [Table Text Block] Schedule of Intangible Assets Disclosure Schedule Of Intangible Assets [Table Text Block] Schedule Of Intangible Assets [Table Text Block] Schedule of Changes in Goodwill and Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Transfer of realized losses/(gains) in fair value to earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Leases [Abstract] Total operating lease liabilities Operating Lease, Right-of-Use Asset Other current liabilities Operating Lease, Liability, Current Operating lease liabilities Operating Lease, Liability, Noncurrent Total operating lease liabilities Operating Lease, Liability Finance leases, net of amortization (within property, plant & equipment) Finance Lease, Right-of-Use Asset Other current liabilities Finance Lease, Liability, Current Other long-term liabilities Finance Lease, Liability, Noncurrent Total finance lease liabilities Finance Lease, Liability Operating leases, weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Finance leases, weighted average remaining lease term Finance Lease, Weighted Average Remaining Lease Term Operating leases, weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Finance leases, weighted average discount rate Finance Lease, Weighted Average Discount Rate, Percent Leases, Operating Lessee, Operating Leases [Text Block] Leases, Finance Lessee, Finance Leases [Text Block] Business Combinations [Abstract] Divestitures and Acquisitions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Share-based Payment Arrangement [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Annual grant to eligible employees Group One [Member] Group One [Member] Additional options issued Group Two [Member] Group Two [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Shares Subject to Option Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Balance at January 1, 2019 (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Options exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Balance at September 30, 2019 (in shares) Weighted- Average Exercise or Grant Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Balance at January 1, 2019 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options canceled (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Balance at September 30, 2019 (in dollars per share) Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] Average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Cash received from options exercised Proceeds from Stock Options Exercised Actual tax benefit realized and recorded in the provision for income taxes for the tax deductions from the option exercises Share-based Payment Arrangement, Exercise of Option, Tax Benefit Schedule of Calculation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Retirement Benefits [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension Plans Pension Plan [Member] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Domestic Plan Domestic Plan [Member] U.S. Plans UNITED STATES Non-U.S. Plans Foreign Plan [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Net loss from experience differences Defined Benefit Plan, Amortization of Gain (Loss) Prior service cost/(credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Settlement losses and other expenses Defined Benefit Plan, Settlement Gains (Losses) and Other Income (Expenses) Defined Benefit Plan, Settlement Gains (Losses) and Other Income (Expenses) Net periodic benefit costs Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land and land improvements Land and Land Improvements [Member] Buildings and building improvements Building and Building Improvements [Member] Machinery and equipment Machinery and Equipment [Member] Construction in progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, Plant and Equipment, Net Performance share units Performance Shares [Member] Deferred stock units Deferred Stock Units D S Us [Member] Deferred Stock Units D S Us [Member] Additional shares granted Additional Shares Granted [Member] Additional Shares Granted [Member] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Balance at January 1, 2019 (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Shares granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Balance at September 30, 2019 (in shares) Grant Date Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options [Abstract] Grant Date Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Grant Date Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Grant Date Weighted-average grant date 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 [Abstract] Balance at January 1, 2019 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Shares granted (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 Vested (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 Forfeited (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 Balance at September 30, 2019 (in dollars per share) Weighted-Average Aggregate Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Weighted average grant date fair value of shares granted Weighted Average Grant Date Fair Value Stock Granted Weighted Average Grant Date Fair Value Stock Granted Weighted average grant date fair value of shares vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Actual tax benefit/(expense) realized for the tax deductions from the shares vested Share-Based Compensation, Tax Benefit Realized From Stock Awards Vesting Disclosure of the aggregate tax benefit realized from stock awards that vested. Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Postemployment Benefit Plans Post Employment Benefit Plans [Member] Post Employment Benefit Plans [Member] Amortization of net gains Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Noncontrolling interest earnings Net Income (Loss) Attributable to Noncontrolling Interest Net earnings attributable to Mondelēz International Net Income (Loss) Attributable to Parent Weighted-average shares for basic EPS (in shares) Weighted Average Number of Shares Outstanding, Basic Plus incremental shares from assumed conversions of stock options and long-term incentive plan shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted-average shares for diluted EPS (in shares) Weighted Average Number of Shares Outstanding, Diluted Basic earnings per share attributable to Mondeléz International (in dollars per share) Earnings Per Share, Basic Diluted earnings per share attributable to Mondélez International (in dollars per share) Earnings Per Share, Diluted Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Derivative Derivative [Member] Net investment hedges Net Investment Hedging [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Schedule of Fair Value of Derivatives Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Derivative Instruments Fair Value and Measurement Inputs Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of Notional Values of Derivative Instruments Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Schedule of Cash Flow Hedges Effect on Accumulated Other Comprehensive Earnings/(Losses), Net of Taxes Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Hedges of Net Investments in International Operations Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Pre-tax Effects of Derivative Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Net investment hedge contracts Interest Rate Swap [Member] (Losses) gains related to interest rate swaps Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net Net loss on equity method investment transactions Equity Method Investment, Realized Gain (Loss) on Transaction Equity Method Investment, Realized Gain (Loss) on Transaction Expected transfers of unrealized losses to earnings, within next 12 months or less Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Hedged forecasted transaction period Derivative, Remaining Maturity Derivative, aggregate notional value Derivative, Notional Amount Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Net revenues Revenues Operating income Operating Income (Loss) Unrealized gains/(losses) on hedging activities (mark-to-market impacts) Unrealized Gain (Loss) on Derivatives General corporate expenses Segment Reporting General Corporate Expenses Segment reporting, general corporate expenses Amortization of intangibles Net gain on divestiture Gain (Loss) on Disposition of Business Acquisition-related costs Business Combination, Acquisition Related Costs Benefit plan non-service income Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Interest and other expense, net Nonoperating Income (Expense) Earnings before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Operating lease cost Operating Lease, Cost Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Interest on lease liabilities Finance Lease, Interest Expense Short-term lease cost Short-term Lease, Cost Variable lease cost Variable Lease, Cost Sublease income Sublease Income Total lease cost Lease, Cost Income Statement [Abstract] Cost of sales Cost of Goods and Services Sold Gross profit Gross Profit Selling, general and administrative expenses Selling, General and Administrative Expense Asset impairment and exit costs Restructuring, Settlement and Impairment Provisions Net gain on divestiture Amortization of intangibles Operating income Benefit plan non-service income Interest and other expense, net Benefit/(provision) for income taxes Income Tax Expense (Benefit) Net gain/(loss) on equity method investment transactions Equity method investment net earnings Income (Loss) from Equity Method Investments Net earnings Noncontrolling interest earnings Per share data: Accounting Policies [Abstract] Basis of Presentation Significant Accounting Policies [Text Block] Postemployment Benefits [Abstract] Long-term other liabilities United Kingdom and Ireland United Kingdom and Ireland [Member] United Kingdom and Ireland Multiemployer Plan Type [Axis] Multiemployer Plan Type [Axis] Multiemployer Plans Type [Domain] Multiemployer Plans Type [Domain] Multiemployer Plans, Pension Multiemployer Plans, Pension [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Multiemployer Plan Name [Axis] Multiemployer Plan Name [Axis] Multiemployer Plan Name [Domain] Multiemployer Plan Name [Domain] Fund Bakery and Confectionery Union and Industry International Pension Fund [Member] Bakery and Confectionery Union and Industry International Pension Fund Collective Bargaining Arrangement [Axis] Collective Bargaining Arrangement [Axis] Collective Bargaining Arrangement [Domain] Collective Bargaining Arrangement [Domain] BCTGM Bakery, Confectionery, Tobacco and Grain Millers Union (“BCTGM”) [Member] Bakery, Confectionery, Tobacco and Grain Millers Union (“BCTGM”) Employer contribution Defined Benefit Plan, Plan Assets, Contributions by Employer Estimated future employer contributions Defined Benefit Plan, Expected Future Benefit Payment, Remainder of Fiscal Year Multiemployer plan, number of expired collective-bargaining arrangements Multiemployer Plans, Collective-Bargaining Arrangement, Number of Expired Arrangements Multiemployer Plans, Collective-Bargaining Arrangement, Number of Expired Arrangements Multiemployer plan, withdrawal liability Multiemployer Plans, Withdrawal Obligation Multiemployer plan, withdrawal obligation term Multiemployer Plans, Withdrawal Obligation Term Multiemployer Plans, Withdrawal Obligation Term Multiemployer plan, final adjustment to reduce withdrawal liability Multiemployer Plans, Withdrawal Obligation, Period Charge Multiemployer Plans, Withdrawal Obligation, Period Charge Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Inventories Inventory Disclosure [Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Performance Share Units and Other Stock-Based Awards Deferred Stock Units, Performance Units and Restricted Stock [Member] Deferred Stock Units, Performance Units and Restricted Stock [Member] Schedule of Stock Options Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of Performance Share Units and Stock-Based Awards Activity Share-based Payment Arrangement, Activity [Table Text Block] Cover page. Document Type Document Type Document Quarterly Report Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entities [Table] Entities [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Class A Common Stock, no par value Common Class A [Member] 2.375% Notes due 2021 Two Point Three Seventy Five Percent Notes Due 2021 [Member] Two Point Three Seventy Five Percent Notes Due 2021 1.000% Notes due 2022 One Point Zero Percent Notes Due 2022 [Member] One Point Zero Percent Notes Due 2022 1.625% Notes due 2023 One Point Six Twenty Five Percent Notes Due 2023 [Member] One Point Six Twenty Five Percent Notes Due 2023 1.625% Notes due 2027 One Point Six Twenty Five Percent Notes Due 2027 [Member] One Point Six Twenty Five Percent Notes Due 2027 2.375% Notes due 2035 Two Point Three Seventy Five Percent Notes Due 2035 [Member] Two Point Three Seventy Five Percent Notes Due 2035 4.500% Notes due 2035 Four Point Five Percent Notes Due 2035 [Member] Four Point Five Percent Notes Due 2035 3.875% Notes due 2045 Three Point Eight Seventy Five Percent Notes Due 2045 [Member] Three Point Eight Seventy Five Percent Notes Due 2045 Entity Information [Line Items] Entity Information [Line Items] Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Segment Net Revenues and Earnings Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Schedule of Net Revenues by Product Category Revenue from External Customers by Products and Services [Table Text Block] Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Payment to acquire business, net of cash received Payments to Acquire Businesses, Net of Cash Acquired Definite-lived intangibles assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Indefinite-lived intangibles assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Goodwill Property, plant, and equipment acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Inventory acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Accounts receivable acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Current liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Deferred tax liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Other liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Incremental revenues from acquisition Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Proceeds from divestiture of businesses Proceeds from Divestiture of Businesses Current assets divested Disposal Group, Including Discontinued Operation, Assets, Current Non-current assets divested Disposal Group, Including Discontinued Operation, Assets, Noncurrent Divestiture transaction costs Gain on divestiture, net of transaction costs Gain (Loss) on Disposition of Business, Net of Transactions Costs Gain (Loss) on Disposition of Business, Net of Transactions Costs Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Restructuring Program Restructuring and Related Activities Disclosure [Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations Trade receivables (net of allowances of $39 at September 30, 2019 and $40 at December 31, 2018) Accounts Receivable, after Allowance for Credit Loss, Current Other receivables (net of allowances of $48 at September 30, 2019 and $47 at December 31, 2018) Other Receivables, Net, Current Inventories, net Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Operating lease right of use assets Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Prepaid pension assets Assets for Plan Benefits, Defined Benefit Plan Deferred income taxes Deferred Income Tax Assets, Net Equity method investments Equity Method Investments Other assets Other Assets, Noncurrent TOTAL ASSETS Assets LIABILITIES Liabilities [Abstract] Short-term borrowings Short-term Debt Current portion of long-term debt Long-term Debt and Lease Obligation, Current Accounts payable Accounts Payable, Current Accrued marketing Accrued Advertising, Current Accrued employment costs Employee-related Liabilities, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt and Lease Obligation Long-term operating lease liabilities Deferred income taxes Deferred Income Tax Liabilities, Net Accrued pension costs Liability, Defined Benefit Pension Plan, Noncurrent Accrued postretirement health care costs Liability, Other Postretirement Defined Benefit Plan, Noncurrent Other liabilities Other Liabilities, Noncurrent TOTAL LIABILITIES Liabilities Commitments and Contingencies (Note 13) Commitments and Contingencies EQUITY Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Common Stock, no par value (5,000,000,000 shares authorized and 1,996,537,778 shares issued at September 30, 2019 and December 31, 2018) Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive losses Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost (555,861,683 shares at September 30, 2019 and 545,537,923 shares at December 31, 2018) Treasury Stock, Value Total Mondelēz International Shareholders’ Equity Stockholders' Equity Attributable to Parent Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest TOTAL EQUITY Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest TOTAL LIABILITIES AND EQUITY Liabilities and Equity Schedule of Components of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Schedule of Restructuring Charges Related to Property, Plant and Equipment Restructuring and Related Costs [Table Text Block] Number of operating segments Number of Operating Segments Hedging Designation Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives Not Designated as Hedging Instruments Not Designated as Hedging Instrument, Economic Hedge [Member] Commodity contracts Commodity Contract [Member] Intercompany loans and forecasted interest payments Intercompany Loans And Forecasted Interest Payments [Member] Intercompany Loans and Forecasted Interest Payments [Member] Interest and other expense, net Interest Expense [Member] Cost of sales Cost of Sales [Member] Derivatives instruments, pre-tax gains/(losses) recognized in earnings Derivative, Gain (Loss) on Derivative, Net Derivative [Table] Derivative [Table] Net investment hedge debt Euro notes Euro Notes [Member] Euro Notes Member British pound sterling notes Sterling Notes [Member] Sterling notes Member Swiss franc notes Franc Notes [Member] Franc Notes [Member] Canadian dollar notes Canadian Dollar Notes [Member] Canadian Dollar Notes Derivative [Line Items] Derivative [Line Items] Notional Amount Schedule of Restructuring Program Liability Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Schedule of Restructuring and Implementation Costs by Segment Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Net investment hedge derivative contracts Minimum Minimum [Member] Short-term Debt, Type Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Commercial paper Commercial Paper [Member] Line of Credit Line of Credit [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Term Loan Agreement Term Loan [Member] Term Loan Notes Payable Loans Payable [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Revolving Credit Facility October 2016 Revolving Credit Facility One [Member] Revolving Credit Facility One [Member] Bank loans Legal Entity Legal Entity [Axis] Entity [Domain] Entity [Domain] International Subsidiaries International Subsidiaries [Member] International subsidiaries [Member] MIHNBV Mondelez International Holdings Netherlands B.V. [Member] Mondelez International Holdings Netherlands B.V. Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Three-year Term Loan Three-year Term Loan [Member] Three-year Term Loan Five-year Term Loan Five-year Term Loan [Member] Five-year Term Loan 364-Day Senior Unsecured Credit Facility Senior Unsecured Credit Facility 364 Days Term [Member] Senior Unsecured Credit Facility 364 Days Term Multi-year Senior Unsecured Revolving Credit Facility Multi-year Senior Unsecured Revolving Credit Facility [Member] Multi-year Senior Unsecured Revolving Credit Facility 0.875% Euro-denominated Notes Guaranteed by Mondelēz International, Inc. Due October 1, 2031 Zero Point Eight Seventy Five Euro Denominated Notes Due October 1, 2031 [Member] Zero Point Eight Seventy Five Euro Denominated Notes Due October 1, 2031 2.125% U.S. Dollar-denominated Notes Guaranteed by Mondelēz International, Inc. Due September 19, 2022 Two Point One Twenty Five Percent Notes Due September 19, 2022 [Member] Two Point One Twenty Five Percent Notes Due September 19, 2022 2.25% U.S. Dollar-denominated Notes Guaranteed by Mondelēz International, Inc. Due September 19, 2024 Two Point Twenty Five Notes Due September 19, 2024 [Member] Two Point Twenty Five Notes Due September 19, 2024 3.625% U.S. Dollar-denominated Fixed-rate Notes Due May 2023 Three Point Six Twenty Five Fixed-rate Notes [Member] Three Point Six Twenty Five Fixed-rate Notes 2.863% U.S. Dollar-denominated Variable Rate Notes Two Point Eight Sixty Three Percent Notes [Member] Two Point Eight Sixty Three Percent Notes Debt Instrument [Line Items] Debt Instrument [Line Items] Commercial paper, maturity period Debt Instrument Remaining Maturity Period remaining until debt instruments mature. Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Debt issued Debt Instrument, Face Amount Debt term Debt Instrument, Term Carrying value of debt Long-term Debt, Gross Proceeds from long-term debt, net of discounts and financing costs Proceeds from Issuance of Long-term Debt Line of credit expiration period Line of Credit Facility, Expiration Period Amounts drawn on revolving credit agreement Line of Credit, Current Total shareholders' equity, excluding accumulated other comprehensive earnings/(losses) Shareholders Equity Excluding Accumulated Other Comprehensive Earnings Losses Total shareholders' equity, excluding accumulated other comprehensive earnings / (losses) Amounts drown on credit facility Long-term Line of Credit Debt interest rate Debt Instrument, Interest Rate, Stated Percentage Deferred financing costs and discounts Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Long-term debt matured Repayments of Long-term Debt Weighted-average interest rate of total debt Debt, Weighted Average Interest Rate Fair value of debt Debt Instrument, Fair Value Disclosure Net investment hedge derivative contracts excluded from hedge effectiveness Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net Schedule of Short-term Debt [Table] Schedule of Short-term Debt [Table] Short-term Debt [Line Items] Short-term Debt [Line Items] Amount Outstanding Weighted-Average Rate Short-term Debt, Weighted Average Interest Rate, at Point in Time Capital expenditures Payments to Acquire Property, Plant, and Equipment Accrued capital expenditures unpaid Capital Expenditures Incurred but Not yet Paid Payments for capital expenditures accrued in the prior year Payments to Acquire Property Plant and Equipment Accrued for In Prior Year Payments to Acquire Property Plant and Equipment Accrued for In Prior Year Severance and related costs Asset Write-downs Asset Write Downs [Member] Asset Write-Downs [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] ASU 2016-02 Accounting Standards Update 2016-02 [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Liability balance, January 1, 2019 Charges Cash spent Non-cash settlements/adjustments Currency Restructuring Reserve, Foreign Currency Translation Gain (Loss) Liability balance, September 30, 2019 Settlement losses and other expenses within benefit plan non-service income Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Pension and Other Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Derivative Cash Flow Hedges Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Accumulated other comprehensive income attributable to Mondelēz International AOCI Attributable to Parent [Member] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Losses/(gains) reclassified into net earnings Reclassification out of Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated other comprehensive income attributable to Mondelēz International: AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Balance at beginning of period Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Equity method investment transaction Other Comprehensive Income Foreign Currency Translation Reclassification Associated With Equity Method Investment Transaction Other Comprehensive Income Foreign Currency Translation Reclassification Associated With Equity Method Investment Transaction Tax (expense)/benefit Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Total other comprehensive earnings/(losses) Other Comprehensive Income (Loss), Net of Tax Less: other comprehensive (earnings)/loss attributable to noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Net actuarial gain/(loss) arising during period Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Tax (expense)/benefit on net actuarial gain/(loss) Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Amortization of experience losses and prior service costs Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Settlement losses and other expenses Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Tax expense/(benefit) on reclassifications Currency impact, pension and other benefit plans Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Currency Impact Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Currency Impact Net derivative gains/(losses) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Tax (expense)/benefit on net derivative gain/(loss) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Losses/(gains) reclassified into net earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Currency impact Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Currency Impact Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Currency Impact Other comprehensive earnings/(losses) attributable to Mondelēz International Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Balance at end of period Earnings per Share Earnings Per Share [Text Block] Debt and Borrowing Arrangements Debt Disclosure [Text Block] Postretirement Benefit Plans Postretirement Health Coverage [Member] Schedule of Components of Net Costs Schedule of Net Benefit Costs [Table Text Block] Income Tax Contingency [Table] Income Tax Contingency [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Non-U.S. Jurisdictions Foreign Tax Authority [Member] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Swiss Tax Administration Swiss Tax Administration [Member] Swiss Tax Administration Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] KDP Keurig Dr Pepper Inc. [Member] Keurig Dr Pepper Inc. Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Net benefit from impact of Swiss tax reform Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Reduction of deferred tax expense from impact of Swiss tax reform Effective Income Tax Reconciliation, Change in Tax Rate, Deferred Tax Liability, Income Tax Expense (Benefit) Effective Income Tax Reconciliation, Change in Tax Rate, Deferred Tax Liability, Income Tax Expense (Benefit) Indirect tax on selling, general and administrative expenses from impact of Swiss tax reform Effective Income Tax Reconciliation, Change In Tax Rate, Selling, General And Administrative Expenses Effective Income Tax Reconciliation, Change In Tax Rate, Selling, General And Administrative Expenses Estimated annual effective tax rate Estimated Annual Effective Tax Rate From Continuing Operations Estimated Annual Effective Tax Rate From Continuing Operations Effective tax rate Effective Income Tax Rate Reconciliation, Percent Effective tax rate, excluding effect of Swiss tax reform Effective Income Tax Rate Reconciliation, Excluding Effect of Foreign Tax Reform, Percent Effective Income Tax Rate Reconciliation, Excluding Effect of Foreign Tax Reform, Percent Net tax discrete items (benefit) expense Effective Tax Rate Net Tax Benefits Effective Tax Rate Net Tax Benefits Net benefit from the release of uncertain tax positions due to the expirations of statutes of limitations and audit settlements Income Tax Reconciliation, Tax Settlements And Expiration Of Statute Of Limitations Income tax reconciliation, tax settlements and expiration of statute of limitations. Net benefit related to release of valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Deferred tax expense related to gain on equity method investment transaction Effective Income Tax Rate Reconciliation, Equity Method Investment Transaction, Amount Effective Income Tax Rate Reconciliation, Equity Method Investment Transaction, Amount Pre-tax gain (loss) on equity method investment transaction Effective tax rate, excluding effects of gain on equity method investment transaction Effective Income Tax Rate Reconciliation, Excluding Effect of Gain (Loss) on Equity Method Investment Transaction, Percent Effective Income Tax Rate Reconciliation, Excluding Effect of Gain (Loss) on Equity Method Investment Transaction, Percent Additional transition tax liability recognized as an adjustment to prior provisional estimate Tax Cuts and Jobs Act, Measurement Period Adjustment, Income Tax Expense (Benefit) Tax Cuts and Jobs Act, Measurement Period Adjustment, Income Tax Expense (Benefit) Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Earnings/(Losses) Treasury Stock Treasury Stock [Member] Non-controlling Interest Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Comprehensive earnings/(losses): Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Other comprehensive earnings/(losses), net of income taxes Exercise of stock options and issuance of other stock awards Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture Common Stock repurchased Treasury Stock, Value, Acquired, Cost Method Cash dividends declared Dividends, Cash Dividends paid on noncontrolling interest and other activities Dividends Paid on Non-controlling Interest and Other Activities Amount of decrease in total shareholders' equity, including but not limited to, additional paid in capital and noncontrolling interest resulting from dividends paid. Loss Contingencies [Table] Loss Contingencies [Table] LU Biscuit Business Groupe Danone S.A.Global LU Biscuit Business LU Biscuit [Member] Groupe Danone S.A.Global LU Biscuit Business LU Biscuit Cadbury Cadbury [Member] Cadbury [Member] Indian Department of Central Excise Authority Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Cause Note February 2013 and March 2014 Cause Note February 2013 and March 2014 [Member] Cause Note February 2013 and March 2014 Cause Note March 2015 Cause Note March 2015 [Member] Cause Note March 2015 Cause Notice February 2015, December 2015 and October 2017 Cause Notice February 2015, December 2015 and October 2017 [Member] Cause Notice February 2015, December 2015 and October 2017 Cause Notice May 2019 Cause Notice May 2019 [Member] Cause Notice May 2019 U.S. Commodity Futures Trading Commission ("CFTC") Litigation Case One [Member] Litigation Case One [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Show Cause Notice Show Cause Notice [Member] Show Cause Notice [Member] Each Additional Violation of the Commodity Exchange Act Additional [Member] Additional [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Amount for formal claim of notice presented for unpaid excise tax, as of the balance sheet date Legal Matter Claim Amount Legal Matter Claim Amount Number of show cause notices Loss Contingency, Pending Claims, Number Loss contingency, filing date Loss Contingency, Lawsuit Filing Date Loss contingency, damages sought Loss Contingency, Damages Sought, Value Income tax benefit Selling, general and administrative expense to offset tax benefit Interest expense to offset tax benefit Interest Expense Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] Operating cash flows from operating leases Operating Lease, Payments Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Financing cash flows from finance leases Finance Lease, Principal Payments Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Schedule of Components of Inventories Schedule of Inventory, Current [Table Text Block] Summary of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary of significant accounting policies [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Argentina ARGENTINA U.K. UNITED KINGDOM Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Geographic Concentration Risk Geographic Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Net Revenues Revenue Benchmark [Member] Summary of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Net monetary assets Net Monetary Assets (Liabilities) Net Monetary Assets (Liabilities). Percentage of consolidated net revenues Percent Of Consolidated Revenues The percentage of total company consolidated net revenues represented by the category, region, country, or other subset noted. Remeasurement loss due to inflationary accounting Amount Recognized in Income Due to Inflationary Accounting Concentration risk percentage Concentration Risk, Percentage Number of countries in which products are sold (more than) Number Of Countries In Which Products Are Sold Number Of Countries In Which Products Are Sold Number of countries in which entity operates (more than) Number of Countries in which Entity Operates Outstanding principal amount of receivables sold under factoring arrangement Accounts Receivable Sold Under Factoring Program Principal Amount Outstanding Accounts Receivable Sold Under Factoring Program Principal Amount Outstanding Lease related assets Operating and Finance Lease, Right-of-Use Asset Operating and Finance Lease, Right-of-Use Asset Lease related liabilities Operating and Finance Lease, Liability Operating and Finance Lease, Liability Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Remaining term of leases Lessee, Remaining Lease Term Lessee, Remaining Lease Term Option to extend leases Lessee, Lease, Renewal Term Lessee, Lease, Renewal Term Amount of operating lease contracts not yet commenced Lessee, Operating Lease, Lease Not yet Commenced, Amount Lessee, Operating Lease, Lease Not yet Commenced, Amount Term of operating lease contracts not yet commenced Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Equity Method Investments and Joint Ventures [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] JDE Jacobs Douwe Egberts [Member] Jacobs Douwe Egberts. Keurig Keurig Green Mountain Incorporated [Member] Keurig Green Mountain Incorporated [Member] Equity Earnings Equity Earnings [Member] Equity earnings. Shareholder Loan Interest Interest Income [Member] Keurig with Dr Pepper Snapple Group, Inc. Keurig with Dr Pepper Snapple Group, Inc. [Member] Keurig with Dr Pepper Snapple Group, Inc. Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity method investment, voting interest percentage Equity Method Investment, Voting Interest Percentage Equity Method Investment, Voting Interest Percentage Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Equity method investment, profit and dividend sharing interest percentage Equity Method Investment, Profit And Dividend Sharing Interest Percentage Equity Method Investment, Profit And Dividend Sharing Interest Percentage Cash dividends received from equity method investments Proceeds from Dividends Received Fair value of ownership of equity method investment Equity Method Investment, Quoted Market Value After-tax gain on equity method investment transaction Equity Method Investment, Realized Gain (Loss) on Transaction, After Tax Equity Method Investment, Realized Gain (Loss) on Transaction, After Tax Number of director positions Number of Nominated Directors Number of Director, Right To Nominate Pre-tax gain related to the impact of a KDP acquisition that decreased the Company's ownership interest Equity Method Investment, Gain (Loss) On Reduction In Ownership Interest Due To Acquisition By Investee Equity Method Investment, Gain (Loss) On Reduction In Ownership Interest Due To Acquisition By Investee Statement of Cash Flows [Abstract] CASH PROVIDED BY/(USED IN) OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net earnings to operating cash flows: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense U.S. tax reform transition tax Tax Cuts and Jobs Act, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense Deferred income tax provision/(benefit) Deferred Income Tax Expense (Benefit) Asset impairments and accelerated depreciation Asset Impairment Charges Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Net loss/(gain) on equity method investment transactions Equity method investment net earnings Distributions from equity method investments Proceeds from Equity Method Investment, Distribution Other non-cash items, net Other Noncash Income (Expense) Change in assets and liabilities, net of acquisitions and divestitures: Increase (Decrease) in Operating Capital [Abstract] Receivables, net Increase (Decrease) in Receivables Inventories, net Increase (Decrease) in Inventories Accounts payable Increase (Decrease) in Accounts Payable Other current assets Increase (Decrease) in Other Current Assets Other current liabilities Increase (Decrease) in Other Current Liabilities Change in pension and postretirement assets and liabilities, net Increase Decrease In Pension Assets And Obligations And Postretirement Obligations The net change in the beginning and end of period Prepaid Pension costs and the net change during the reporting period in the amount due to fund pension and non-pension benefits to employees, retired and disabled former employees. Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities CASH PROVIDED BY/(USED IN) INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Acquisition, net of cash received Proceeds from divestiture, net of disbursements Proceeds from Divestiture of Businesses, Net of Cash Divested Proceeds from sale of property, plant and equipment and other Proceeds from Sale of Productive Assets Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities CASH PROVIDED BY/(USED IN) FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Issuances of commercial paper, maturities greater than 90 days Proceeds from Issuance of Commercial Paper Repayments of commercial paper, maturities greater than 90 days Repayments of Commercial Paper Net issuances of other short-term borrowings Proceeds from (Repayments of) Short-term Debt Long-term debt proceeds Long-term debt repaid Repurchase of Common Stock Payments for Repurchase of Common Stock Dividends paid Payments of Dividends Other Proceeds from (Payments for) Other Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Cash and cash equivalents: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Increase Cash and Cash Equivalents, Period Increase (Decrease) Balance at beginning of period Balance at end of period ASC 842 Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] 2019 (excluding the nine months ended September 30, 2019) Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total future undiscounted lease payments Lessee, Operating Lease, Liability, Payments, Due Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount ASC 842 Finance Leases Finance Lease, Liability, Payment, Due [Abstract] 2019 (excluding the nine months ended September 30, 2019) Finance Lease, Liability, Payments, Remainder of Fiscal Year 2020 Finance Lease, Liability, Payments, Due Year Two 2021 Finance Lease, Liability, Payments, Due Year Three 2022 Finance Lease, Liability, Payments, Due Year Four 2023 Finance Lease, Liability, Payments, Due Year Five Thereafter Finance Lease, Liability, Payments, Due after Year Five Total future undiscounted lease payments Finance Lease, Liability, Payment, Due Less imputed interest Finance Lease, Liability, Undiscounted Excess Amount ASC 840 Operating Leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total future undiscounted lease payments Operating Leases, Future Minimum Payments Due Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Corporate Corporate, Non-Segment [Member] Restructuring Costs Implementation Costs Total After-tax gain/(loss) on NIH contracts Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax Amounts excluded from the assessment of hedge effectiveness Gain (Loss) on Components Excluded from Assessment of Foreign Currency Cash Flow Hedge Effectiveness Schedule of Components of Lease Costs and Supplemental Cash Flow Information Lease, Cost [Table Text Block] Schedule of Supplemental Balance Sheet Information Related to Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Schedule of Future Lease Payments Under Non-cancelable Operating Leases Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Future Lease Payments Under Non-cancelable Finance Leases Finance Lease, Liability, Maturity [Table Text Block] Biscuits Biscuits [Member] Biscuits [Member] Chocolate Chocolate [Member] Chocolate [Member] Gum & Candy Gum and Candy [Member] Gum and Candy [Member] Beverages Beverages [Member] Beverages [Member] Cheese & Grocery Cheese and Grocery [Member] Cheese and Grocery [Member] Impaired Assets to be Disposed of by Method Other than Sale [Table] Impaired Assets to be Disposed of by Method Other than Sale [Table] Impaired Assets to be Disposed of by Method Other than Sale [Line Items] Impaired Assets to be Disposed of by Method Other than Sale [Line Items] Non-cash property, plant and equipment write-downs Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Currency Translation and Highly Inflationary Accounting Foreign Currency Transactions and Translations Policy [Policy Text Block] Transfers of Financial Assets Transfers and Servicing of Financial Assets, Policy [Policy Text Block] Leases Lessee, Leases [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Non-amortizable intangible assets Indefinite-lived Intangible Assets (Excluding Goodwill) Amortizable intangible assets Finite-Lived Intangible Assets, Gross Total intangible assets, gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Equity Method Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Prior service credit Trade receivables, allowances Accounts Receivable, Allowance for Credit Loss, Current Other receivables, allowances Allowance for Doubtful Other Receivables, Current Common stock, no par value (in dollars per share) Common Stock, No Par Value Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Treasury stock, at cost (in shares) Treasury Stock, Shares Fair Value, Hierarchy [Axis) Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Total derivatives Derivative, Fair Value, Net Interest expense, debt Interest Expense, Debt Loss/(gain) related to interest rate swaps Other (income)/expense, net Other Nonoperating Income (Expense) Interest and other expense, net Statement of Comprehensive Income [Abstract] Other comprehensive earnings/(losses), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Pension and other benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Derivative cash flow hedges Comprehensive earnings/(losses) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest less: Comprehensive earnings/(losses) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive earnings/(losses) attributable to Mondelēz International Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Short-Term Borrowings and Related Weighted-Average Interest Rates Schedule of Short-term Debt [Table Text Block] Schedule of Interest and Other Expense Interest and Other Income and Expense Disclosure, Non Operating [Table Text Block] Interest and Other Income and Expense Disclosure, Non Operating [Table Text Block] Reclassifications from Accumulated Other Comprehensive Income Disclosure of Reclassification Amount [Text Block] After-tax gains/(losses) related to hedges of net investments in international operations Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Prior to January 1, 2018 Prior Periods [Member] Prior Periods [Member] Share Repurchase Program Amended January 1, 2018 Share Repurchase Program [Member] Share Repurchase Program [Member] Class of Stock [Line Items] Class of Stock [Line Items] Stock repurchase value Stock Repurchase Program, Authorized Amount Increase in share repurchase value Increase In Stock Repurchase Program Authorized Amount Increase In Stock Repurchase Program Authorized Amount Stock repurchase expiration date Stock Repurchase Program Expiration Date Common shares repurchased Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired Average cost of shares repurchased (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Repurchase of common stock Remaining share repurchase capacity Stock Repurchase Program, Remaining Authorized Repurchase Amount Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivatives designated as accounting hedges Designated as Hedging Instrument [Member] Derivatives not designated as accounting hedges Not Designated as Hedging Instrument [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Asset Derivatives Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement Liability Derivatives Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement Stock Plans Share-based Payment Arrangement [Text Block] Cash dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared