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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of benefit for defined benefit plan expected to be paid in remainder of current fiscal year.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

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Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Benefit Plans - Narrative (Details) $ in Millions			3 Months Ended			6 Months Ended
Benefit Plans - Narrative (Details) $ in Millions	Jun. 12, 2025 USD ($)	Jul. 11, 2019 USD ($)	Jun. 30, 2025 USD ($)	Sep. 30, 2024 company	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Third party insurance companies \| company				2
Mondelēz Global LLC Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Settlement losses	$ 282
U.S. Plans \| North America
Defined Benefit Plan Disclosure [Line Items]
Multiemployer plan, withdrawal obligation term		20 years
Multiemployer plan, withdrawal liability		$ 491	$ 302			$ 302
Multiemployer plan, accreted interest on the long-term liability			3		$ 3	5	$ 5
Other current liabilities \| U.S. Plans \| North America
Defined Benefit Plan Disclosure [Line Items]
Multiemployer plan, withdrawal liability			16			16
Long-term other liabilities \| U.S. Plans \| North America
Defined Benefit Plan Disclosure [Line Items]
Multiemployer plan, withdrawal liability			286			286
Pension Plans \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Employer contributions						1
Estimated future employer contributions over the remainder of the year			10			10
Settlement losses			288		0	292	6
Net periodic pension (benefit)/cost			287		(7)	288	(8)
Pension Plans \| Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Employer contributions						45
Estimated future employer contributions over the remainder of the year			23			23
Settlement losses			0		0	0	0
Net periodic pension (benefit)/cost			(7)		(6)	(10)	(12)
Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension (benefit)/cost			(3)		(2)	(6)	(5)
Postemployment Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension (benefit)/cost			$ 6		$ 6	$ 11	$ 11