Goodwill and Intangible Assets (Details 1) - USD ($) $ in Millions		Dec. 31, 2020		Dec. 31, 2019
Finite-lived intangible assets
Gross Carrying Amount		$ 283	[1]	$ 185
Accumulated Amortization		(161)		(129)
Accumulated Impairment Losses	[2]	(14)		(14)
Net Carrying Amount		108		42
Indefinite-lived intangible assets
Net Carrying Amount		138		52
Total intangible assets
Gross Carrying Amount		421	[1]	237
Intangible assets, net		246		94
Reacquired franchise rights [Member]
Finite-lived intangible assets
Gross Carrying Amount	[3]	223	[1]	148
Accumulated Amortization	[3]	(144)		(113)
Net Carrying Amount	[3]	79		35
Huang Ji Huang Group [Member]
Finite-lived intangible assets
Gross Carrying Amount	[1],[4]	23
Accumulated Amortization	[4]	(1)
Net Carrying Amount	[4]	22
Daojia platform [Member]
Finite-lived intangible assets
Gross Carrying Amount		16	[1]	16
Accumulated Amortization		(4)		(4)
Accumulated Impairment Losses	[2]	(12)		(12)
Customer-related assets [Member]
Finite-lived intangible assets
Gross Carrying Amount		12	[1]	12
Accumulated Amortization		(8)		(8)
Accumulated Impairment Losses	[2]	(2)		(2)
Net Carrying Amount		2		2
Other [Member]
Finite-lived intangible assets
Gross Carrying Amount		9	[1]	9
Accumulated Amortization		(4)		(4)
Net Carrying Amount		5		5
Trademark [Member] | Huang Ji Huang Group [Member]
Indefinite-lived intangible assets
Net Carrying Amount	[4]	82
Trademark [Member] | Little Sheep [Member]
Indefinite-lived intangible assets
Net Carrying Amount		$ 56		$ 52

[1] Changes in gross carrying amount include effect of currency translation adjustment.

[2] Accumulated impairment losses represent impairment charges on intangible assets acquired from Daojia primarily attributable to the Daojia platform.

[3] Increase in gross carrying amount of reacquired franchise rights during the year ended December 31, 2020 primarily resulted from the acquisition of Suzhou KFC (Note 5).

[4] Increase in gross carrying amount of finite-lived and indefinite-lived intangible assets primarily resulted from the acquisition of Huang Ji Huang group (Note 1).