Goodwill and Intangible Assets (Details 2) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Definite-lived intangible assets
Gross Carrying Amount	$ 527	$ 487
Accumulated Amortization	(311)	(274)
Definite-lived intangible assets, amortization expense	63	52	$ 37
Approximate amortization expense for definite-lived intangible assets - 2021	70
Approximate amortization expense for definite-lived intangible assets - 2022	52
Approximate amortization expense for definite-lived intangible assets - 2023	41
Approximate amortization expense for definite-lived intangible assets - 2024	24
Approximate amortization expense for definite-lived intangible assets - 2025	15
Trademarks/brands [Member]
Indefinite-lived intangible assets
Gross Carrying Amount	127	31
Capitalized software costs
Definite-lived intangible assets
Gross Carrying Amount	335	306
Accumulated Amortization	(160)	(130)
Reacquired franchise rights [Member]
Definite-lived intangible assets
Gross Carrying Amount	39	38
Accumulated Amortization	(33)	(32)
Franchise contract rights [Member]
Definite-lived intangible assets
Gross Carrying Amount	100	100
Accumulated Amortization	(85)	(83)
Lease tenancy rights [Member]
Definite-lived intangible assets
Gross Carrying Amount	5	5
Accumulated Amortization	(1)	(1)
Other [Member]
Definite-lived intangible assets
Gross Carrying Amount	48	38
Accumulated Amortization	(32)	(28)
KFC Global Division [Member] \| Trademarks/brands [Member]
Indefinite-lived intangible assets
Gross Carrying Amount	31	31
The Habit Burger Grill Global Division \| Trademarks/brands [Member]
Indefinite-lived intangible assets
Gross Carrying Amount	$ 96	$ 0

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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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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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).

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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).

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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).

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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).

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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