Book Value of Indefinite Lived Intangibles, Fair Value Over Book Value, Ten Percent Or Less

No definition available.

Name:	mdlz_BookValueofIndefiniteLivedIntangiblesFairValueOverBookValueTenPercentOrLess
Namespace Prefix:	mdlz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Goodwill and Intangible Assets Disclosure [Line Items]

+ References

No definition available.

+ Details

Name:	mdlz_GoodwillAndIntangibleAssetsDisclosureLineItems
Namespace Prefix:	mdlz_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Impaired Intangible Asset, Number

+ References

No definition available.

+ Details

Name:	mdlz_ImpairedIntangibleAssetNumber
Namespace Prefix:	mdlz_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Intangible Assets Acquired Other Than Goodwill

+ References

No definition available.

+ Details

Name:	mdlz_IntangibleAssetsAcquiredOtherThanGoodwill
Namespace Prefix:	mdlz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Intangible Assets Written Off Related to Divested Business Unit

+ References

No definition available.

+ Details

Name:	mdlz_IntangibleAssetsWrittenOffRelatedToDivestedBusinessUnit
Namespace Prefix:	mdlz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number Of Indefinite Lived Intangibles Fair Value Over Book Value 10% or Less

+ References

No definition available.

+ Details

Name:	mdlz_NumberOfIndefiniteLivedIntangiblesFairValueOverBookValueTenPercentOrLess
Namespace Prefix:	mdlz_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

+ Details

Name:	us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

+ Details

Name:	us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266

+ Details

Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

+ Details

Name:	us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdlz_MaxFoodsPtyLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mdlz_NorthAmericaSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mdlz_EuropeSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mdlz_AsiaMiddleEastAndAfricaSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mdlz_LatinAmericaSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=mdlz_COVID19PandemicMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=mdlz_BiscuitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=mdlz_GumChocolateBiscuitsandCandyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mdlz_HuMasterHoldingsGrenadeAndGourmetFoodHoldingsPtyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mdlz_GiveGoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Goodwill and Intangible Assets - Narrative (Details)	3 Months Ended	12 Months Ended
Goodwill and Intangible Assets - Narrative (Details)	Dec. 31, 2021 USD ($) brand	Dec. 31, 2021 USD ($) brand	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 01, 2020 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense for intangible assets		$ 134,000,000	$ 194,000,000	$ 174,000,000
Estimated amortization expense for intangible assets next year	$ 125,000,000	125,000,000
Estimated amortization expense for intangible assets in year two	100,000,000	100,000,000
Estimated amortization expense for intangible assets in year three	100,000,000	100,000,000
Estimated amortization expense for intangible assets in year four	100,000,000	100,000,000
Estimated amortization expense for intangible assets in year five	60,000,000	60,000,000
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible assets divested		17,000,000	0
Goodwill acquired		547,000,000	531,000,000
Intangible assets acquired		405,000,000	553,000,000
Goodwill	21,978,000,000	21,978,000,000	21,895,000,000	20,848,000,000
Impairment of goodwill		0	0
Intangible asset impairment		32,000,000	144,000,000
MaxFoods Pty Ltd. \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible assets divested	17,000,000
North America
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	10,109,000,000	10,109,000,000	9,901,000,000
Europe
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	7,830,000,000	7,830,000,000	8,038,000,000
AMEA
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	3,365,000,000	3,365,000,000	3,250,000,000
Latin America
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	$ 674,000,000	674,000,000	706,000,000
COVID-19 Pandemic
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment of goodwill		0	0	0
Intangible asset impairment		$ 32,000,000	144,000,000
Brands \| COVID-19 Pandemic
Goodwill and Intangible Assets Disclosure [Line Items]
Number of trademarks with fair value in excess of book value, 10% or less \| brand	8	8
Book value of trademarks with fair value in excess of book value, 10% or less	$ 1,146,000,000	$ 1,146,000,000
Brands \| COVID-19 Pandemic \| Biscuits \| North America
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible asset impairment		$ 32,000,000
Number of impaired trademarks \| brand	1	1
Brands \| COVID-19 Pandemic \| Gum, Chocolate, Biscuits and Candy
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible asset impairment			144,000,000	57,000,000
Brands \| COVID-19 Pandemic \| Gum, Chocolate, Biscuits and Candy \| North America
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible asset impairment			83,000,000
Brands \| COVID-19 Pandemic \| Gum, Chocolate, Biscuits and Candy \| Europe
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible asset impairment			53,000,000	39,000,000
Brands \| COVID-19 Pandemic \| Gum, Chocolate, Biscuits and Candy \| AMEA
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible asset impairment			5,000,000	15,000,000
Brands \| COVID-19 Pandemic \| Gum, Chocolate, Biscuits and Candy \| Latin America
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible asset impairment			3,000,000	$ 3,000,000
Gourmet Food, Hu and Grenade
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill acquired		$ 547,000,000
Intangible assets acquired		$ 405,000,000
Give & Go
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible assets acquired			553,000,000
Goodwill			$ 531,000,000		$ 531,000,000