Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Net investment hedges Net Investment Hedging [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Net investment hedge derivative contracts Interest Rate Swap [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] 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 Equity [Abstract] 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] Equity method investment transactions Equity Method Investment Transaction [Member] Equity Method Investment Transaction Pension and Other Benefits Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Amortization of experience losses and prior service costs Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Settlement losses and other expenses Accumulated Defined Benefit Plans Adjustment, Settlement Adjustments Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Settlement Adjustments Attributable to Parent 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] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Balance at beginning of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Currency impact Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Losses/(gains) reclassified into net earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Tax (expense)/benefit Other Comprehensive Income (Loss), 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 before reclassifications Other Comprehensive Income (Loss), before Reclassifications, before Tax Tax expense/(benefit) on reclassifications Reclassification from AOCI, Current Period, Tax Total other comprehensive earnings/(losses) Other Comprehensive Income (Loss), Net of Tax Other comprehensive earnings/(losses) attributable to Mondelēz International Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Balance at end of period Income Tax Disclosure [Abstract] Income Tax Contingency [Table] Income Tax Contingency [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Foreign Tax Authority Foreign Tax Authority [Member] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] China State Administration of Taxation, China [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] 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 Net tax expense incurred in connection with equity method transaction Effective Income Tax Rate Reconciliation, Equity Method Transaction, Amount Effective Income Tax Rate Reconciliation, Equity Method Transaction, Amount Effective tax rate, excluding effects of equity method investment transaction Effective Income Tax Reconciliation, Percent, Excluding Effects Of Equity Method Transaction Effective Income Tax Reconciliation, Percent, Excluding Effects Of Equity Method Transaction Net discrete tax benefit 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. Tax expense from U.S. state legislative changes Effective Income Tax Rate Reconciliation, Tax Contingency, State and Local, Amount Debt Disclosure [Abstract] Schedule of Short-term Debt [Table] Schedule of Short-term Debt [Table] Short-term Debt, Type Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Commercial paper Commercial Paper [Member] Bank loans Line of Credit [Member] Short-term Debt [Line Items] Short-term Debt [Line Items] Amount Outstanding Short-term Debt Weighted-Average Rate Short-term Debt, Weighted Average Interest Rate, at Point in Time Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Derivative [Table] Derivative [Table] 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] Currency exchange contracts Foreign Exchange Contract [Member] Commodity contracts Commodity Contract [Member] Interest rate contracts Interest Rate Contract [Member] Net investment hedge contracts Derivative [Line Items] Derivative [Line Items] Total derivatives Derivative, Fair Value, Net Amortization expense for intangible assets Amortization of Intangible Assets Estimated amortization expense of intangibles in 2020 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Estimated amortization expense of intangibles in 2021 Finite-Lived Intangible Asset, Expected Amortization, Year One Estimated amortization expense of intangibles in 2022 Finite-Lived Intangible Asset, Expected Amortization, Year Two Estimated amortization expense of intangibles in 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Three Estimated amortization expense of intangibles in 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Four Goodwill and Intangible Assets Disclosure [Table] Goodwill and Intangible Assets Disclosure [Table] Goodwill and Intangible Assets Disclosure [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Give & Go Give & Go [Member] Give & Go 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] Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] COVID-19 COVID-19 Pandemic [Member] COVID-19 Pandemic Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Domain] Reporting Unit [Domain] Europe Europe [Member] North America North America [Member] AMEA Asia, Middle East and Africa [Member] Asia, Middle East and Africa Latin America Latin America [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Gum Gum [Member] Gum Biscuits Biscuits [Member] Biscuits Candy Candy [Member] Candy 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] Goodwill Goodwill Intangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Impairment of intangible assets Impairment of Intangible Assets (Excluding Goodwill) Number of impaired brands Impaired Intangible Asset, Number Impaired Intangible Asset, Number Number of brands with fair value in excess of book value of 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 of 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 Property, Plant and Equipment [Abstract] 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 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] Cash flow hedges Cash Flow 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 Pre-tax Effects of Derivative Instruments Derivative Instruments, Gain (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] Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [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] Postretirement Benefit Plans Postretirement Health Coverage [Member] Postemployment Benefit Plans Post Employment Benefit Plans [Member] Post Employment Benefit Plans [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Schedule of Components of Net Costs Schedule of Net Benefit Costs [Table Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] 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 Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] International Subsidiaries International Subsidiaries [Member] International subsidiaries [Member] Net investment hedge debt Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Line of Credit Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Notes Payable Loans Payable [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Credit facility borrowings Revolving Credit Facility [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 364-day Senior Unsecured Credit Facility Expiring March 23, 2021 Senior Unsecured Revolving Credit Facility Maturing March 23, 2021 [Member] Senior Unsecured Revolving Credit Facility Maturing March 23, 2021 Multi-year Senior Unsecured Revolving Credit Facility Expiring February 27, 2024 Multi-year Senior Unsecured Revolving Credit Facility [Member] Multi-year Senior Unsecured Revolving Credit Facility 364-day Senior Unsecured Credit Facility Expiring March 5, 2021 Senior Unsecured Revolving Credit Facility Maturing March 5, 2021 [Member] Senior Unsecured Revolving Credit Facility Maturing March 5, 2021 364-day Senior Unsecured Credit Facility Expiring February 24, 2021 Senior Unsecured Revolving Credit Facility Maturing February 24, 2021 [Member] Senior Unsecured Revolving Credit Facility Maturing February 24, 2021 0.625% U.S. Dollar-denominated Notes due July 1, 2022 Zero Point Six Twenty Five Percent Notes Due July 1, 2022 [Member] Zero Point Six Twenty Five Percent Notes Due July 1, 2022 3.000% U.S. Dollar-denominated Notes due May 7, 2020 Three Point Zero Percent Notes [Member] Three Point Zero Percent Notes 1.500% U.S. Dollar-denominated Notes due May 4, 2025 One Point Fifty Percent Notes due May 4, 2025 [Member] One Point Fifty Percent Notes due May 4, 2025 2.750% U.S. Dollar-denominated Notes due April 13, 2030 Two Point Seventy Five Percent Notes Due April 13, 2030 [Member] Two Point Seventy Five Percent Notes Due April 13, 2030 2.125% U.S. Dollar-denominated Notes due April 13, 2023 Two Point One Twenty Five Percent Notes Due April 13, 2023 [Member] Two Point One Twenty Five Percent Notes Due April 13, 2023 0.05% Swiss Franc Notes due March 30, 2020 Zero Point Zero Five Percent Franc Swiss Notes [Member] Zero Point Zero Five Percent Franc Swiss Notes 5.375% U.S. Dollar-denominated Notes due February 10, 2020 Five Point Three Seventy Five Percent Notes [Member] Five Point Three Seventy Five Percent Notes Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] 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 Short-term borrowings Credit facility expiration period Line of Credit Facility, Expiration Period Amounts drawn on the revolving credit agreement Line of Credit, Current Debt issued Debt Instrument, Face Amount 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 drawn on the multi-year credit facility Long-term Line of Credit Debt interest rate Debt Instrument, Interest Rate, Stated Percentage Proceeds from issuance of debt, net of discount and associated financing costs Proceeds from Issuance of Long-term Debt Differed financing costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Debt matured Repayments of Long-term Debt Fair value of debt Debt Instrument, Fair Value Disclosure Carrying value of debt Long-term Debt, Gross Net investment hedge derivative contracts excluded from hedge effectiveness Accounting Policies [Abstract] Schedule of Changes in Allowances for Credit Losses Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Impaired Assets to be Disposed of by Method Other than Sale [Table] Impaired Assets to be Disposed of by Method Other than Sale [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] 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 Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] 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 Asset Impairment Charges Goodwill Goodwill [Roll Forward] Balance at January 1, 2020 Currency Goodwill, Foreign Currency Translation Gain (Loss) Acquisition Goodwill, Acquired During Period Asset impairments Goodwill, Impairment Loss Balance at June 30, 2020 Intangible Assets, at cost Finite-lived and Indefinite-lived Intangible Assets [Roll Forward] Finite-lived and Indefinite-lived Intangible Assets Balance at January 1, 2020 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. Acquisition Intangible Assets Acquired Other Than Goodwill Intangible Assets Acquired Other Than Goodwill Asset impairments Balance at June 30, 2020 Trading Activity [Axis] Trading Activity [Axis] Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] Forecasted transactions Forecasted Transactions [Member] Forecasted Transactions [Member] 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 After-tax gains/(losses) recognized in other comprehensive earnings/(losses) Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Equity Method Investments and Joint Ventures [Abstract] Schedule of Impact of Change in Accounting Principle on Consolidated Financial Statements Accounting Standards Update and Change in Accounting Principle [Table Text Block] Interest expense, debt Interest Expense, Debt Loss related to interest rate swaps Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net Other (income)/expense, net Other Nonoperating Income Interest and other expense, net Nonoperating Income (Expense) Cover [Abstract] 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 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 and Performance Share Units Share-based Payment Arrangement, Option And Performance Share Units [Member] Share-based Payment Arrangement, Option And Performance Share Units Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Mondelēz International stock options excluded from the calculation of diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] JDEP JDE Peet’s N.V. [Member] JDE Peet’s N.V. KDP Keurig Dr Pepper Inc. [Member] Keurig Dr Pepper Inc. Dong Suh Foods Corporation Dong Suh Foods Corporation [Member] Dong Suh Foods Corporation Dong Suh Oil & Fats Co. Ltd. Dong Suh Oil & Fats Co. Ltd. [Member] Dong Suh Oil & Fats Co. Ltd. KDP and JDEP Keurig Dr Pepper Inc. and JDE Peets, B.V. [Member] Keurig Dr Pepper Inc. and JDE Peets, B.V. JDE Jacobs Douwe Egberts [Member] Jacobs Douwe Egberts. Keurig Keurig Green Mountain Incorporated [Member] Keurig Green Mountain Incorporated [Member] Keurig with Dr Pepper Snapple Group, Inc. Keurig with Dr Pepper Snapple Group, Inc. [Member] Keurig with Dr Pepper Snapple Group, Inc. Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Over-allotment option Over-Allotment Option [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Equity method investments Equity Method Investments Equity method investment net earnings Income (Loss) from Equity Method Investments 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 Pre-tax gain (loss) on equity method investment transaction Equity Method Investment, Realized Gain (Loss) on Transaction Equity Method Investment, Realized Gain (Loss) on Transaction 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 on sale of equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal After-tax gain on sale of equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal, After Tax Equity Method Investment, Realized Gain (Loss) on Disposal, After Tax Number of shares of equity method investment sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Decrease in equity method investment ownership percentage Equity Method Investment, Decrease In Ownership Percentage Equity Method Investment, Decrease In Ownership Percentage Amount of equity method investment sold Proceeds from Sale of Equity Method Investments Stock sale price (in dollars per share) Sale of Stock, Price Per Share Percentage of equity method investment exchanged Sale of Stock, Percentage of Ownership before Transaction Percentage of equity method investment ownership after the settlement Sale of Stock, Percentage of Ownership after Transaction Proceeds from sale of equity method investment Sale of Stock, Consideration Received Per Transaction Amount released from accumulated other comprehensive losses in equity method transaction Transaction costs Sale Of Stock, Transaction Costs Sale Of Stock, Transaction Costs Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] 2014-2018 Restructuring Program Two Thousand Fourteen To Two Thousand Eighteen Restructuring Program [Member] Two Thousand Fourteen To Two Thousand Eighteen Restructuring Program [Member] 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] 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 Postemployment Benefits [Abstract] Long-term other liabilities 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] United Kingdom and Ireland United Kingdom and Ireland [Member] United Kingdom and Ireland 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, 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 Multiemployer plan, final adjustment to reduce withdrawal liability, net of tax Multiemployer Plans, Withdrawal Obligation, Period Charge, Net Of Tax Multiemployer Plans, Withdrawal Obligation, Period Charge, Net Of Tax Multiemployer plan, accreted interest on the long-term liability Multiemployer Plans, Withdrawal Obligation, Accreted Interest Multiemployer Plans, Withdrawal Obligation, Accreted Interest Multiemployer Plan, Type [Extensible List] Multiemployer Plan, Type [Extensible List] Multiemployer Plan, Pension, Significant, Name [Extensible List] Multiemployer Plan, Pension, Significant, Name [Extensible List] Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Revision of Prior Period [Axis] Revision of Prior Period [Axis] Revision of Prior Period [Domain] Revision of Prior Period [Domain] As Reported Previously Reported [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Change in Accounting Principle, Type [Extensible List] Change in Accounting Principle, Type [Extensible List] Statements of Earnings Income Statement [Abstract] Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net earnings attributable to Mondelēz International Net Income (Loss) Attributable to Parent Earnings per share attributable to Mondelēz International: Basic EPS (in dollars per share) Earnings Per Share, Basic Diluted EPS (in dollars per share) Earnings Per Share, Diluted Statements of Other Comprehensive Earnings Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [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 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Total other comprehensive earnings/(losses) Comprehensive earnings/(losses) attributable to Mondelēz International Comprehensive Income (Loss), Net of Tax, Attributable to Parent Balance Sheet Balance Sheet Related Disclosures [Abstract] Total Assets Assets Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive losses Accumulated Other Comprehensive Income (Loss), Net of Tax Total Mondelēz International shareholders' equity Stockholders' Equity Attributable to Parent Total equity Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Goodwill 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] 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] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] 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, 2020 (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 June 30, 2020 (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, 2020 (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 June 30, 2020 (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. Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Receivable Type [Axis] Receivable Type [Axis] Receivable [Domain] Receivable [Domain] Allowance for Trade Receivables Trade Accounts Receivable [Member] Allowance for Other Current Receivables Other Current Receivables [Member] Other Current Receivables Allowance for Long-Term Receivables Other Long-term Receivables [Member] Other Long-term Receivables Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Balance at January 1, 2020 Accounts Receivable, Allowance for Credit Loss Current period provision for expected credit losses Accounts Receivable, Credit Loss Expense (Reversal) Write-offs charged against the allowance Accounts Receivable, Allowance for Credit Loss, Writeoff Currency Accounts Receivable, Allowance for Credit Loss, Foreign Currency Translation And Other Accounts Receivable, Allowance for Credit Loss, Foreign Currency Translation And Other Balance at June 30, 2020 Derivatives Not Designated as Hedging Instruments Not Designated as Hedging Instrument, Economic Hedge [Member] Intercompany loans and forecasted interest payments Intercompany Loans And Forecasted Interest Payments [Member] Intercompany Loans and Forecasted Interest Payments [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest and other expense, net Interest Expense [Member] Cost of sales Cost of Sales [Member] Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Derivatives instruments, pre-tax gains/(losses) recognized in earnings Derivative, Gain (Loss) on Derivative, Net 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 Intangible Assets, Net (Excluding Goodwill) Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Perfect Snacks Perfect Snacks [Member] Perfect Snacks Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Cheese Business Cheese Business [Member] Cheese Business 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] Purchase consideration, net of cash received Payments to Acquire Businesses, Net of Cash Acquired Definite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Indefinite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Operating right of use assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-of-Use Asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-of-Use Asset Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Accounts receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Deferred tax liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Long-term operating lease liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Liability, Noncurrent Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Liability, Noncurrent Long-term debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt Long-term other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Incremental net revenues from acquisition Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Incremental operating loss from acquisition Business Combination, Pro Forma Information, Operating Income (Loss) Of Acquiree Since Acquisition Date, Actual Business Combination, Pro Forma Information, Operating Income (Loss) Of Acquiree Since Acquisition Date, Actual Acquisition-related costs Business Combination, Acquisition Related Costs 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 Pre-tax gain on divestiture Gain (Loss) on Disposition of Business, Net of Transactions Costs Gain (Loss) on Disposition of Business, Net of Transactions Costs Decline in year-over-year net revenues due to business divestiture Disposal Group, Including Discontinued Operation, Decrease In Net Revenue Disposal Group, Including Discontinued Operation, Decrease In Net Revenue Decline in year-over-year net operating income due to business divestiture Disposal Group, Including Discontinued Operation, Decrease In Operating Income Disposal Group, Including Discontinued Operation, Decrease In Operating Income Reversal of divestiture-related costs accruals no longer required Disposal Group, Including Discontinued Operation, Increase (Decrease) in Accrued Expenses Disposal Group, Including Discontinued Operation, Increase (Decrease) in Accrued Expenses Divestiture-related costs Costs Related To Divestiture Costs that are recognized separately from but related to a planned or completed divestiture of assets and liabilities of a disposal group (including discontinued operations), such as those incurred to ready the business for divestiture, which are expensed by the entity and not accrued as part of the disposal costs. Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [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 and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Transfer of realized losses/(gains) in fair value to earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Restructuring Program Restructuring and Related Activities Disclosure [Text Block] 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 Notional Amount Derivative, 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 Restructuring and Related Costs [Table 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 After-tax loss on interest rate swaps included in interest and other expense, net Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net, Before Tax Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net, Before Tax Pre-tax loss on interest rate swaps included in interest and other expense, net 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 Schedule of Calculation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Statement of Financial Position [Abstract] 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 Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] 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 Noncontrolling interest earnings Net Income (Loss) Attributable to Noncontrolling Interest 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 Mondelēz International (in dollars per share) Diluted earnings per share attributable to Mondelēz International (in dollars per share) Segment Reporting [Abstract] Net revenues Revenues Operating income Operating Income (Loss) Unrealized (losses)/gains 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 Benefit plan non-service income Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Interest and other expense, net Other Nonoperating Income (Expense) Earnings before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest 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): 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. 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, 2020 Prior Periods [Member] Prior Periods [Member] Share Repurchase Program Amended January 31, 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 Remaining share repurchase capacity Stock Repurchase Program, Remaining Authorized Repurchase Amount 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] Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Allowances for Credit Losses Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Transfers of Financial Assets Transfers and Servicing of Financial Assets, Policy [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Benefit Plans Retirement Benefits [Text Block] Equity Method Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] 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] Schedule of Amounts Reclassified from Accumulated Other Comprehensive Earnings/(Losses) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Earnings per Share Earnings Per Share [Text Block] Additional options issued Group Two [Member] Group Two [Member] Shares Subject to Option Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Balance at January 1, 2020 (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 June 30, 2020 (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, 2020 (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 June 30, 2020 (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 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 Provision for income taxes Income Tax Expense (Benefit) Gain/(loss) on equity method investment transactions Net earnings Noncontrolling interest earnings Per share data: 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] Income Taxes Income Tax Disclosure [Text Block] Property, Plant and Equipment Property, Plant and Equipment 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] Debt and Borrowing Arrangements Debt Disclosure [Text Block] 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, Transition Tax for Accumulated Foreign Earnings, Income Tax Expense Deferred income tax (benefit)/provision Deferred Income Tax Expense (Benefit) Asset impairments and accelerated depreciation (Gain)/loss 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 divestitures including equity method investments Proceeds From Sale Of Equity Method Investments and Divestiture Of Businesses, Net of Cash Divested Proceeds From Sale Of Equity Method Investments and Divestiture Of Businesses, Net of Cash Divested Other Payments for (Proceeds from) Other Investing Activities 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) Other Short-term Debt Proceeds from (Repayments of) Other 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, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash: Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect [Abstract] Increase Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Balance at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Balance at end of period ASSETS Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations Trade receivables (net of allowances of $40 at June 30, 2020 and $35 at December 31, 2019) Accounts Receivable, after Allowance for Credit Loss, Current Other receivables (net of allowances of $40 at June 30, 2020 and $44 at December 31, 2019) Other Receivables, Net, Current Inventories, net Inventory, Net Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Operating lease right of use assets Operating Lease, Right-of-Use Asset Intangible assets, net Prepaid pension assets Assets for Plan Benefits, Defined Benefit Plan Deferred income taxes Deferred Income Tax Assets, Net Other assets Other Assets, Noncurrent TOTAL ASSETS LIABILITIES Liabilities [Abstract] 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 Operating Lease, Liability, Noncurrent 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 12) 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 June 30, 2020 and December 31, 2019) Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock, at cost (568,483,191 shares at June 30, 2020 and 561,531,524 shares at December 31, 2019) Treasury Stock, Value Total Mondelēz International Shareholders’ Equity Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest TOTAL EQUITY TOTAL LIABILITIES AND EQUITY Liabilities and Equity Derivative Cash Flow Hedges 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] Unrealized (loss)/gain in fair value Number of operating segments Number of Operating Segments Acquisitions and Divestitures Mergers, Acquisitions and Dispositions Disclosures [Text Block] Basis of Presentation Significant Accounting Policies [Text Block] 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) Amortization of net gains 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] Cash dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Reclassifications from Accumulated Other Comprehensive Income Disclosure of Reclassification Amount [Text Block] 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 Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] U.S. Commodity Futures Trading Commission (CFTC) Litigation Case One [Member] Litigation Case One [Member] Each Additional Violation of the Commodity Exchange Act Additional [Member] Additional [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Loss contingency, filing date Loss Contingency, Lawsuit Filing Date Loss contingency, damages sought Loss Contingency, Damages Sought, Value Statement of Comprehensive Income [Abstract] Other comprehensive earnings/(losses), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] 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 Segment Reporting Segment Reporting Disclosure [Text Block] Prior service credit Raw materials Inventory, Raw Materials, Gross Finished product Inventory, Finished Goods, Gross Inventories, gross Inventory, Gross Inventory reserves Inventory Valuation Reserves Inventories, net Stock Plans Share-based Payment Arrangement [Text Block] 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] Schedule of Components of Inventories Schedule of Inventory, Current [Table Text Block] Severance and related costs Asset Write-downs Asset Write Downs [Member] Asset Write-Downs [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Liability balance, January 1, 2020 Charges Cash spent Non-cash settlements/adjustments Currency Restructuring Reserve, Foreign Currency Translation Gain (Loss) Liability balance, June 30, 2020 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) gain 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 Restricted cash Restricted Cash, Current Cash, cash equivalents and restricted cash 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 Operating lease right-of-use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Finance lease right-of-use assets in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Finance Lease Liability