| Document and Entity Information | Mar. 23, 2021 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | Mondelez International, Inc. |
| Amendment Flag | false |
| Entity Central Index Key | 0001103982 |
| Document Type | 8-K |
| Document Period End Date | Mar. 23, 2021 |
| Entity Incorporation State Country Code | VA |
| Entity File Number | 1-16483 |
| Entity Tax Identification Number | 52-2284372 |
| Entity Address, Address Line One | 905 West Fulton Market |
| Entity Address, Address Line Two | Suite 200 |
| Entity Address, City or Town | Chicago |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60607 |
| City Area Code | (847) |
| Local Phone Number | 943-4000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Class A Common Stock, no par value |
| Trading Symbol | MDLZ |
| Security Exchange Name | NASDAQ |
| M 1.000 Notes Due 20228 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 1.000% Notes due 2022 |
| Trading Symbol | MDLZ22 |
| Security Exchange Name | NASDAQ |
| One Point Six Twenty Five Percent Notes Due 2023 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 1.625% Notes due 2023 |
| Trading Symbol | MDLZ23 |
| Security Exchange Name | NASDAQ |
| M 1.625 Notes Due 20271 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 1.625% Notes due 2027 |
| Trading Symbol | MDLZ27 |
| Security Exchange Name | NASDAQ |
| M 0.250 Notes Due 20282 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 0.250% Notes due 2028 |
| Trading Symbol | MDLZ28 |
| Security Exchange Name | NASDAQ |
| M 0.750 Notes Due 20333 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 0.750% Notes due 2033 |
| Trading Symbol | MDLZ33 |
| Security Exchange Name | NASDAQ |
| M 2.375 Notes Due 20354 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 2.375% Notes due 2035 |
| Trading Symbol | MDLZ35 |
| Security Exchange Name | NASDAQ |
| M 4.500 Notes Due 20355 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 4.500% Notes due 2035 |
| Trading Symbol | MDLZ35A |
| Security Exchange Name | NASDAQ |
| M 1.375 Notes Due 20416 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 1.375% Notes due 2041 |
| Trading Symbol | MDLZ41 |
| Security Exchange Name | NASDAQ |
| M 3.875 Notes Due 20457 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 3.875% Notes due 2045 |
| Trading Symbol | MDLZ45 |
| Security Exchange Name | NASDAQ |
