v3.26.1
Financial Instruments - Economic Hedges (Details) - Derivatives Not Designated as Hedging Instruments - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Derivative Instruments, Gain (Loss) [Line Items]        
Pre-tax gains/(losses) recognized in net earnings $ 612 $ (83) $ 35 $ (533)
Foreign currency contracts | Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative Instruments, Gain (Loss) [Line Items]        
Pre-tax gains/(losses) recognized in net earnings (22) (34) (64) (165)
Foreign currency contracts | Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Derivative Instruments, Gain (Loss) [Line Items]        
Pre-tax gains/(losses) recognized in net earnings 0 (6) 0 (6)
Foreign currency contracts | Income Statement Location [Axis]: mdlz:InterestAndOtherNonoperatingIncomeExpense        
Derivative Instruments, Gain (Loss) [Line Items]        
Pre-tax gains/(losses) recognized in net earnings 26 (63) (14) 27
Commodity contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Pre-tax gains/(losses) recognized in net earnings 608 19 122 (390)
Interest rate contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Pre-tax gains/(losses) recognized in net earnings $ 0 $ 1 $ (9) $ 1