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Reserves for Discounts and Allowances (Details 1) $ in Millions	3 Months Ended
	Mar. 31, 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	964.6
Adjustments Relating To Prior Years	(30.2)
Payments/Returns Relating To Sales in Current Year	(396.6)
Payments/Returns Relating To Sales in Prior Year	(647.4)
Ending Balance	1,166.4
Discounts
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	141.4
Current Provisions Relating To Sales In Current Year	185.1
Adjustments Relating To Prior Years	0.9
Payments/Returns Relating To Sales in Current Year	(111.8)
Payments/Returns Relating To Sales in Prior Year	(82.8)
Ending Balance	132.8
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	775.7
Adjustments Relating To Prior Years	(32.1)
Payments/Returns Relating To Sales in Current Year	(284.8)
Payments/Returns Relating To Sales in Prior Year	(562.9)
Ending Balance	988.9
Returns
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	41.6
Current Provisions Relating To Sales In Current Year	3.8
Adjustments Relating To Prior Years	1.0
Payments/Returns Relating To Sales in Current Year	0.0
Payments/Returns Relating To Sales in Prior Year	(1.7)
Ending Balance	$ 44.7

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Adjustments to product revenue reserves relating to sales in prior years.

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- Definition

Current provisions to product revenue reserves relating to sales in current year.

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- Definition

Payments/ returns applied against product revenue reserves relating to current year.

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Payments/ returns applied against product revenue reserves relating to prior year.

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Amount of valuation and qualifying accounts and reserves.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column B))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column E))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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