Revenues from Franchised Restaurants (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Franchisor Disclosure
Rents	$ 1,826.1	$ 1,668.2
Royalties	1,038.7	928.8
Initial Fees	12.6	11.0
Revenues from franchised restaurants	$ 2,877.4	$ 2,608.0