Segment and Geographic Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Entity Wide Revenue Major Customer [Line Items]
Total revenues	$ 19,207.8	$ 21,364.4	$ 21,257.9
Total operating income	7,324.0	9,069.8	8,822.6
Total assets	52,626.8	47,510.8	32,811.2
Total capital expenditures	1,640.8	2,393.7	2,741.7
Depreciation and amortization	1,751.4	1,617.9	1,482.0
International Operated Markets [Member]
Entity Wide Revenue Major Customer [Line Items]
Total revenues	9,570.7	11,480.1	11,578.1
Total operating income	3,315.1	4,789.0	4,643.2
Total assets	24,744.0	22,847.5	17,302.3
Total capital expenditures	731.5	886.6	762.4
Depreciation and amortization	678.5	669.3	703.9
International Developmental Licensed Markets and Corporate [Member]
Entity Wide Revenue Major Customer [Line Items]
Total revenues	1,808.6	1,881.5	1,881.1
Total operating income	219.8	212.1	163.8
Total assets	6,872.8	3,286.4	1,025.1
Total capital expenditures	18.9	26.6	129.5
Depreciation and amortization	259.1	218.4	179.7
United States [Member]
Entity Wide Revenue Major Customer [Line Items]
Total revenues	7,828.5	8,002.8	7,798.7
Total operating income	3,789.1	4,068.7	4,015.6
Total assets	21,010.0	21,376.9	14,483.8
Total capital expenditures	890.4	1,480.5	1,849.8
Depreciation and amortization	$ 813.8	$ 730.2	$ 598.4