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[Member] JDE Peet’s N.V. 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[Member] Keurig Dr Pepper Inc. and JDE Peets, B.V. 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[Member] Keurig Dr Pepper Inc. Common Stock, no par value (5,000,000,000 shares authorized and 1,996,537,778 shares issued at September 30, 2020 and December 31, 2019) Common Stock, Value, Issued Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Disposal Group Name [Axis] Disposal Group Name [Axis] Document Fiscal Year Focus Document Fiscal Year Focus Estimated amortization expense of intangibles in 2022 Finite-Lived Intangible Asset, Expected Amortization, Year Two 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 Commercial paper Commercial Paper [Member] Restricted cash Restricted Cash, Current Schedule of Changes in Allowances for Credit Losses Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Stock sale price (in dollars per share) Sale of Stock, Price Per Share Credit facility expiration period Line of Credit Facility, Expiration Period Approved restructuring program cost Restructuring and Related Cost, Expected Cost Retirement Benefits [Abstract] Retirement Benefits [Abstract] Multiemployer Plan, Type [Extensible List] Multiemployer Plan, Type [Extensible List] Proceeds from sale of equity method investment Proceeds from Sale of Equity Method Investments Receivable [Domain] Receivable [Domain] Change in Accounting Principle, Type [Extensible List] Change in Accounting Principle, Type [Extensible List] Comprehensive earnings/(losses) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest 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 Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] Decrease in equity method investment ownership percentage Equity Method Investment, Decrease In Ownership Percentage Equity Method Investment, Decrease In Ownership Percentage Short-term borrowings Amount Outstanding Short-term Debt CASH PROVIDED BY/(USED IN) INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Common stock, shares issued (in shares) Common Stock, Shares, Issued 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 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] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Segment Reporting [Abstract] Segment Reporting [Abstract] Interest and other expense, net Interest Expense [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Loss related to interest rate swaps Pre-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 Approved capital expenditures Capital Expenditures, Authorized Amount Capital Expenditures, Authorized Amount Total Mondelēz International Shareholders’ Equity Total Mondelēz International shareholders' equity Stockholders' Equity Attributable to Parent Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Dong Suh Oil & Fats Co. Ltd. Dong Suh Oil & Fats Co. Ltd. [Member] Dong Suh Oil & Fats Co. Ltd. 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Antidilutive Mondelēz International stock options excluded from the calculation of diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 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 Canadian dollar notes Canadian notes Canadian Dollar Notes [Member] Canadian Dollar Notes Other non-cash items, net Other Noncash Income (Expense) Gum & Candy Gum and Candy [Member] Gum and Candy [Member] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Equity Component [Domain] Equity Component [Domain] 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] Dividends paid Payments of Dividends Increase in approved restructuring program costs Restructuring and Related Cost, Expected Cost, Increase Restructuring and Related Cost, Expected Cost, Increase LIABILITIES Liabilities [Abstract] Gross profit Gross Profit 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 Estimated amortization expense of intangibles in 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Three Construction in progress Construction in Progress [Member] Entity Tax Identification Number Entity Tax Identification Number Schedule of Notional Values of Derivative Instruments Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Stock Plans Share-based Payment Arrangement [Text Block] Interest rate contracts Interest Rate Contract [Member] Net earnings attributable to Mondelēz International Net Income (Loss) Attributable to Parent Change in assets and liabilities, net of acquisitions and 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Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Other current liabilities Increase (Decrease) in Other Current Liabilities 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 TOTAL EQUITY Balance at beginning of period Balance at end of period Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Operating lease right-of-use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Estimated amortization expense of intangibles in 2021 Finite-Lived Intangible Asset, Expected Amortization, Year One Net revenues Revenues Class of Stock [Axis] Class of Stock [Axis] Total shareholders' equity, excluding accumulated other comprehensive earnings/(losses) Shareholders Equity Excluding Accumulated Other 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Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Balance at January 1, 2020 Balance at September 30, 2020 Accounts Receivable, Allowance for Credit Loss Incremental operating income 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 Award Type [Domain] Award Type [Domain] 6.500% Notes Due February 2040 Six Point Fifty Percent Notes Due February 2040 [Member] Six Point Fifty Percent Notes Due February 2040 Additional options issued Group Two [Member] Group Two [Member] Each Additional Violation of the Commodity Exchange Act Additional [Member] Additional [Member] Euro-denominated Notes Guaranteed by Mondelez International Inc. Due September 23, 2029 Euro-denominated Notes Guaranteed By Mondelez International Inc. Due September 23, 2029 [Member] Euro-denominated Notes Guaranteed By Mondelez International Inc. Due September 23, 2029 Exercise of stock options and issuance of other stock awards Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture Schedule of Restructuring Program Liability Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Trading Symbol Trading Symbol 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. Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Allowance for Long-Term Receivables Other Long-term Receivables [Member] Other Long-term Receivables 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 Treasury stock, at cost (566,694,393 shares at September 30, 2020 and 561,531,524 shares at December 31, 2019) Treasury Stock, Value Asset impairment and exit costs Restructuring, Settlement and Impairment Provisions AMEA Asia, Middle East and Africa [Member] Asia, Middle East and Africa Earnings per Share Earnings Per Share [Text Block] Pension Plans Pension Plan [Member] Entity Shell Company Entity Shell Company Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Fair value of ownership of equity method investment Equity Method Investment, Quoted Market Value 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] Income Tax Contingency [Table] Income Tax Contingency [Table] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]