Other Income, Net (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020		Sep. 30, 2019
Other Income And Expenses [Line Items]
Gain from re-measurement of previously held equity interest	[1]	$ 239			$ 239
Equity income from investments in unconsolidated affiliates		17		$ 19	51		$ 56
Foreign exchange impact and other				(2)	(5)		(8)
Other income, net		$ 256		$ 17	282		$ 48
Daojia platform [Member]
Other Income And Expenses [Line Items]
Derecognition of indemnification assets related to Daojia			$ (3)		$ (3)	[2]

[1] As a result of the acquisition of Suzhou KFC as disclosed in Note 2, the Company recognized a gain of $239 million from the re-measurement of our previously held 47% equity interest at fair value, which was not allocated to any segment for performance reporting purposes.

[2] In the quarter ended June 30, 2020, the Company derecognized a $3 million indemnification asset previously recorded for the Daojia acquisition as the indemnification right pursuant to the purchase agreement expired. The expense was included in Other income, net, but was not allocated to any segment for performance reporting purposes.