Earnings Per Common Share ("EPS") (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net Income - YUM! Brands, Inc.		$ 206	$ 289	$ 289	$ 551
Weighted-average common shares outstanding (for basic calculation)		303.0	307.0	302.0	307.0
Effect of dilutive share-based employee compensation		4.0	7.0	5.0	7.0
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)		307.0	314.0	307.0	314.0
Basic EPS		$ 0.68	$ 0.94	$ 0.96	$ 1.79
Diluted EPS		$ 0.67	$ 0.92	$ 0.94	$ 1.75
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation	[1]	5.2	2.3	4.7	1.8

[1] These unexercised employee stock options and stock appreciation rights were not included in the computation of diluted EPS because to do so would have been antidilutive for the periods presented.