Earnings Per Common Share ("EPS") (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Net Income - YUM! Brands, Inc.		$ 262	$ 433
Weighted-average common shares outstanding (for basic calculation)		308.0	332.0
Effect of dilutive share-based employee compensation		7.0	8.0
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)		315.0	340.0
Basic EPS		$ 0.85	$ 1.30
Diluted EPS		$ 0.83	$ 1.27
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation	[1]	1.3	2.3

[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.