Net Property and Equipment (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Land	$ 5,582.5	$ 5,788.4
Buildings and improvements on owned land	14,011.7	14,322.4
Buildings and improvements on leased land	12,892.9	13,284.0
Equipment, signs and seating	4,658.5	5,113.8
Other	546.8	617.5
Property and equipment, at cost	37,692.4	39,126.1
Accumulated depreciation and amortization	(14,574.8)	(14,568.6)
Net property and equipment	$ 23,117.6	$ 24,557.5