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

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- Definition

Goodwill and Intangible Assets Disclosure [Line Items]

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Goodwill and Intangibles, Impairment Loss, Risk-Rate Discount Percentage

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- Definition

Goodwill and Intangibles, Impairment Loss, Weighted-average Cost of Capital Percentage

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- Definition

Impaired Intangible Asset, Number

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- Definition

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

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- 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.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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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.

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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.

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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.

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Goodwill and Intangible Assets - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) Brand	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) Brand	Sep. 30, 2017 USD ($)	Jul. 01, 2018	Jun. 07, 2018 USD ($)	Dec. 31, 2017 USD ($)
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization expense for intangible assets	$ 44,000,000	$ 45,000,000	$ 132,000,000	$ 133,000,000
Estimated amortization expense in year 1	175,000,000		175,000,000
Estimated amortization expense in year 2	175,000,000		175,000,000
Estimated amortization expense in year 3	175,000,000		175,000,000
Estimated amortization expense in year 4	85,000,000		85,000,000
Estimated amortization expense in year 5	85,000,000		85,000,000
Goodwill	20,900,000,000		20,900,000,000				$ 21,085,000,000
Asset impairments			68,000,000
Goodwill impairments			0
Europe
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill and intangibles, weighted-average cost of capital percentage used for impairment testing					7.30%
North America
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill and intangibles, weighted-average cost of capital percentage used for impairment testing					7.30%
Latin America
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill and intangibles, risk-rate discount percentage used for impairment testing					10.30%
AMEA
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill and intangibles, risk-rate discount percentage used for impairment testing					10.30%
North America
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	9,248,000,000		9,248,000,000				8,933,000,000
AMEA
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	3,222,000,000		$ 3,222,000,000				$ 3,371,000,000
Trademarks
Goodwill and Intangible Assets Disclosure [Line Items]
Asset impairments	$ 68,000,000
Number of impaired trademarks \| Brand	5		5
Number of trademarks with fair value in excess of book value, 10% or less \| Brand	7		7
Book value of trademarks with fair value in excess of book value, 10% or less	$ 546,000,000		$ 546,000,000
Trademarks \| Europe \| Gum, Chocolate, Biscuits and Candy
Goodwill and Intangible Assets Disclosure [Line Items]
Asset impairments	45,000,000
Trademarks \| North America \| Gum, Chocolate, Biscuits and Candy
Goodwill and Intangible Assets Disclosure [Line Items]
Asset impairments	14,000,000
Trademarks \| AMEA \| Gum, Chocolate, Biscuits and Candy
Goodwill and Intangible Assets Disclosure [Line Items]
Asset impairments	$ 9,000,000
Tate’s Bake Shop \| North America
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill						$ 335,000,000
Intangible assets acquired						$ 210,000,000