Segment Information (Segment and Geographic Information) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Document Fiscal Year Focus	2020
Total revenues	$ 4,714.4	$ 5,024.1
Operating Income	1,693.6	2,094.0
United States
Segment Reporting Information [Line Items]
Total revenues	1,871.0	1,887.6
Operating Income	892.4	951.9
International Operated Markets
Segment Reporting Information [Line Items]
Total revenues	2,404.3	2,682.7
Operating Income	879.1	1,048.0
International Developmental Licensed Markets and Corporate
Segment Reporting Information [Line Items]
Total revenues	439.1	453.8
Operating Income	$ (77.9)	$ 94.1