Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net earnings	$ 861	$ 968
Noncontrolling interest earnings	(6)	(7)
Net earnings attributable to Mondelēz International	$ 855	$ 961
Weighted-average shares for basic EPS (in shares)	1,389	1,412
Plus incremental shares from assumed conversions of stock options and long-term incentive plan shares (in shares)	9	10
Weighted-average shares for diluted EPS (in shares)	1,398	1,422
Basic earnings per share attributable to Mondelēz International (in dollars per share)	$ 0.62	$ 0.68
Diluted earnings per share attributable to Mondelēz International (in dollars per share)	$ 0.61	$ 0.68