Reclassifications from Accumulated Other Comprehensive Income - Changes in the Accumulated Balance of Components of Other Comprehensive Earnings/(Losses) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period		$ 28,323	$ 27,654	$ 27,317
Less: other comprehensive (earnings)/loss attributable to noncontrolling interests		14	16	(13)
Total other comprehensive earnings/(losses)		(337)	50	(423)
Other comprehensive earnings/(losses)		(323)	66	(436)
Balance at end of period		26,920	28,323	27,654
Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period		(9,097)	(8,655)	(8,320)
Tax (expense)/benefit on gains/(losses)		(659)	(481)	(398)
Tax (expense)/benefit		(66)	23	47
Total other comprehensive earnings/(losses)		(725)	(458)	(322)
Balance at end of period		(9,808)	(9,097)	(8,655)
Equity method investment transactions
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Losses/(gains) reclassified into net earnings	[1]	0	0	29
Pension and Other Benefits Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period		(1,379)	(1,874)	(1,721)
Tax (expense)/benefit on gains/(losses)		(37)	(80)	38
Net gains/(losses) arising during period		149	398	(187)
Tax (benefit) on reclassifications	[2]	(21)	(34)	(31)
Currency impact		102	66	(99)
Total other comprehensive earnings/(losses)		274	495	(153)
Balance at end of period		(1,105)	(1,379)	(1,874)
Amortization of experience losses and prior service costs
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Losses/(gains) reclassified into net earnings	[3]	57	140	104
Settlement losses and other expenses
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Losses/(gains) reclassified into net earnings	[1]	16	22	22
Curtailment credit
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Losses/(gains) reclassified into net earnings	[3]	(8)	17	0
Derivative Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period		(148)	(161)	(213)
Tax (expense)/benefit on gains/(losses)		(13)	0	27
Net gains/(losses) arising during period		160	163	(132)
Tax (benefit) on reclassifications	[2]	(17)	(3)	(28)
Currency impact		6	5	(4)
Total other comprehensive earnings/(losses)		114	13	52
Balance at end of period		(34)	(148)	(161)
Derivative Cash Flow Hedges | Currency exchange contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Losses/(gains) reclassified into net earnings	[4]	8	0	0
Derivative Cash Flow Hedges | Interest rate contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Losses/(gains) reclassified into net earnings	[1],[4]	(30)	(152)	189
Accumulated other comprehensive income attributable to Mondelēz International
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period		(10,624)	(10,690)	(10,254)
Total other comprehensive earnings/(losses)		(323)	66	(436)
Balance at end of period		$ (10,947)	$ (10,624)	$ (10,690)

[1] Includes equity method investment transactions recorded within gain/(loss) on equity method investment transactions.

[2] Taxes reclassified to earnings are recorded within the provision for income taxes

[3] These reclassified losses are included in net periodic benefit costs disclosed in Note 11, Benefit Plans.

[4] These reclassified losses are recorded within interest and other expense, net