Equity Method Investments - Summarized Financial Information of Equity Method Investments (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary Balance Sheet for Equity Method Investments
Current assets		$ 5,650	$ 5,695
Noncurrent assets		69,232	69,445
Total assets		74,882	75,140
Current liabilities		10,037	9,434
Noncurrent liabilities		27,642	29,296
Total liabilities		37,679	38,730
Equity attributable to noncontrolling interests		33	46
Equity method investments	[1]	7,212	7,123
Summary Statement of Operations for Equity Method Investments
Net revenues		19,410	14,185	$ 12,824
Gross profit		9,733	6,076	4,913
Income from continuing operations		1,991	1,980	1,118
Net income		1,991	1,980	1,118
Mondelēz International share of investee net income		442	548	$ 344
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		$ 330	$ 340
Minimum
Summary Balance Sheet for Equity Method Investments
Mondelēz International ownership interests		13.00%	13.00%	24.00%
Maximum
Summary Balance Sheet for Equity Method Investments
Mondelēz International ownership interests		50.00%	50.00%	50.00%
Investee
Summary Balance Sheet for Equity Method Investments
Equity attributable to shareowners of investees		$ 37,170	$ 36,365
Total net equity of investees		37,203	36,411
Summary Statement of Operations for Equity Method Investments
Net income		1,981	1,970	$ 1,115
Mondelēz International share of investee net income		442	536	320
Keurig | Interest Income
Summary Statement of Operations for Equity Method Investments
Mondelēz International share of investee net income		$ 0	$ 12	$ 24

[1] Includes a basis difference of approximately $330 million as of December 31, 2019 and $340 million as of December 31, 2018 between the U.S. GAAP accounting basis for our equity method investments and the U.S. GAAP accounting basis of our investees’ equity.