Equity Method Investments - Summarized Financial Information of Equity Method Investments (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Summary Balance Sheet for Equity Method Investments
Current assets		$ 10,342	$ 9,979
TOTAL ASSETS		67,092	67,810	$ 64,515
Current liabilities		14,008	15,159
TOTAL LIABILITIES		38,769	40,156
Equity attributable to shareowners of investees		28,269	27,578
Equity attributable to noncontrolling interests		54	76
TOTAL EQUITY		28,323	27,654	27,317	$ 25,602
Equity method investments	[1]	5,289	6,036
Net revenues		28,720	26,581	25,868
Gross profit		11,254	10,446	10,337
Operating income		4,653	3,853	3,843
Net earnings		4,314	3,569	3,944
Net earnings attributable to Mondelēz International		4,300	3,555	3,929
Equity method investment net earnings		393	421	$ 501
Adjustment Due to Change in Accounting Basis
Summary Balance Sheet for Equity Method Investments
Difference between U.S. GAAP accounting basis for equity method investments and the investees' equity		$ 475	$ 519
Minimum
Summary Balance Sheet for Equity Method Investments
Mondelēz International ownership interests		5.00%	8.00%	13.00%
Maximum
Summary Balance Sheet for Equity Method Investments
Mondelēz International ownership interests		50.00%	50.00%	50.00%
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Summary Balance Sheet for Equity Method Investments
Current assets		$ 6,313	$ 5,922
Noncurrent assets		71,949	72,941
TOTAL ASSETS		78,262	78,863
Current liabilities		11,105	11,784
Noncurrent liabilities		27,204	27,752
TOTAL LIABILITIES		38,309	39,536
Equity attributable to shareowners of investees		39,798	39,161
Equity attributable to noncontrolling interests		155	166
TOTAL EQUITY		39,953	39,327
Net revenues		22,149	20,112	$ 19,361
Gross profit		10,804	9,856	9,781
Operating income		2,614	2,078	2,216
Net earnings		2,614	2,078	2,216
Net earnings attributable to Mondelēz International		$ 2,618	$ 2,070	$ 2,206

[1] Includes a basis difference of approximately $475 million as of December 31, 2021 and $519 million as of December 31, 2020 between the U.S. GAAP accounting basis for our equity method investments and the U.S. GAAP accounting basis of our investees’ equity.