Goodwill and Intangible Assets Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Intangible assets subject to amortization:
Accumulated amortization	$ (1,206.5)	$ (995.1)
Intangible assets not subject to amortization:
Total Gross	14,762.6	14,651.1
Total Net	13,556.1	13,656.0
Goodwill	6,151.0	7,631.4	$ 8,260.8
Brands
Intangible assets subject to amortization:
Gross	5,128.4	5,036.3
Accumulated amortization	(1,070.6)	(865.1)
Net	4,057.8	4,171.2
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 8,215.7	$ 8,172.4
Brands | Minimum
Intangible assets subject to amortization:
Useful life	10 years	10 years
Brands | Maximum
Intangible assets subject to amortization:
Useful life	50 years	50 years
License agreements and distribution rights
Intangible assets subject to amortization:
Gross	$ 206.8	$ 202.0
Accumulated amortization	(99.5)	(90.6)
Net	$ 107.3	$ 111.4
License agreements and distribution rights | Minimum
Intangible assets subject to amortization:
Useful life	15 years	15 years
License agreements and distribution rights | Maximum
Intangible assets subject to amortization:
Useful life	20 years	20 years
Distribution networks
Intangible assets subject to amortization:
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 795.0	$ 778.8
Other Intangible Assets [Member]
Intangible assets subject to amortization:
Gross	109.1	124.0
Accumulated amortization	(36.4)	(39.4)
Net	72.7	84.6
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 307.6	$ 337.6
Other Intangible Assets [Member] | Minimum
Intangible assets subject to amortization:
Useful life	3 years	3 years
Other Intangible Assets [Member] | Maximum
Intangible assets subject to amortization:
Useful life	40 years	40 years
Staropramen brand indefinite-lived intangible assets [Member]
Intangible assets subject to amortization:
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 621.7