Basic and Diluted Earnings per Share (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Earnings Per Share [Line Items]
Net earnings	$ 312us-gaap_ProfitLoss	$ 150us-gaap_ProfitLoss	$ 2,201us-gaap_ProfitLoss
Noncontrolling interest	(12)	(13)
Net earnings attributable to Mondelez International	$ 324us-gaap_NetIncomeLoss	$ 163us-gaap_NetIncomeLoss
Weighted-average shares for basic EPS	1,648	1,704
Plus incremental shares from assumed conversions of stock options and long-term incentive plan shares	17	18
Weighted-average shares for diluted EPS	1,665	1,722
Basic earnings per share attributable to Mondelez International	$ 0.20us-gaap_EarningsPerShareBasic	$ 0.10us-gaap_EarningsPerShareBasic
Diluted earnings per share attributable to Mondelez International	$ 0.19us-gaap_EarningsPerShareDiluted	$ 0.09us-gaap_EarningsPerShareDiluted

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