Revenues Reserves for Discounts and Allowances (Details 1) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 1,276.0
Current Provisions Relating To Sales In Current Year	2,823.2
Adjustments Relating To Prior Years	(70.8)
Payments/Returns Relating To Sales in Current Year	(2,021.1)
Payments/Returns Relating To Sales in Prior Year	(878.7)
Ending Balance	1,128.6
Discounts
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	141.4
Current Provisions Relating To Sales In Current Year	556.3
Adjustments Relating To Prior Years	1.2
Payments/Returns Relating To Sales in Current Year	(422.2)
Payments/Returns Relating To Sales in Prior Year	(136.7)
Ending Balance	140.0
Contractual adjustments
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	1,093.0
Current Provisions Relating To Sales In Current Year	2,255.8
Adjustments Relating To Prior Years	(71.5)
Payments/Returns Relating To Sales in Current Year	(1,598.6)
Payments/Returns Relating To Sales in Prior Year	(732.1)
Ending Balance	946.6
Returns
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	41.6
Current Provisions Relating To Sales In Current Year	11.1
Adjustments Relating To Prior Years	(0.5)
Payments/Returns Relating To Sales in Current Year	(0.3)
Payments/Returns Relating To Sales in Prior Year	(9.9)
Ending Balance	$ 42.0