Segment Information (Reconciliation Of Segment Information To Total Consolidated Information) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Net	$ 2,948.1	$ 2,928.2	$ 8,232.2	$ 8,207.0
Revenues	2,972.1	2,961.7	8,322.5	8,308.7
Amortization of Intangible Assets	(368.1)	(405.6)	(1,070.9)	(1,210.3)
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	0.0	0.0	0.0	(29.5)
Research and development	(129.8)	(167.9)	(400.3)	(488.1)
Litigation settlements and other contingencies, net	(18.9)	51.9	(36.5)	30.3
Earnings from operations	351.4	323.7	670.3	443.2
Other revenue
Segment Reporting Information [Line Items]
Segment profitability	966.3	985.3	2,642.3	2,501.2
Amortization of Intangible Assets	(368.1)	(405.6)	(1,070.9)	(1,210.3)
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		1.9		71.8
Research and development	(31.0)	(47.3)	(121.0)	(167.8)
Corporate costs	(196.9)	(258.7)	(743.6)	(638.4)
Litigation settlements and other contingencies, net	(18.9)	51.9	(36.5)	30.3
Intersegment revenue
Segment Reporting Information [Line Items]
Revenues	(189.5)	(171.1)	(604.5)	(513.0)
Corporate / Other
Segment Reporting Information [Line Items]
Revenues	(189.5)	(171.1)	(604.5)	(513.0)
Segment profitability	0.0	0.0	0.0	0.0
North America Segment
Segment Reporting Information [Line Items]
Revenues	1,085.5	1,120.1	3,208.5	3,158.4
North America Segment \| Operating Segment
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Net	1,028.8	1,088.6	3,023.3	3,035.0
Segment profitability	497.9	489.9	1,447.5	1,342.3
North America Segment \| Intersegment revenue
Segment Reporting Information [Line Items]
Revenues	39.3	13.9	133.4	64.6
Europe Segment
Segment Reporting Information [Line Items]
Revenues	1,150.8	1,072.9	3,175.0	3,009.3
Europe Segment \| Operating Segment
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Net	1,123.8	1,045.9	3,080.7	2,930.7
Segment profitability	348.1	325.1	873.2	723.7
Europe Segment \| Intersegment revenue
Segment Reporting Information [Line Items]
Revenues	23.6	23.2	83.2	66.3
Rest of World Segment
Segment Reporting Information [Line Items]
Revenues	925.3	939.8	2,543.5	2,654.0
Rest of World Segment \| Operating Segment
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Net	795.5	793.7	2,128.2	2,241.3
Segment profitability	120.3	170.3	321.6	435.2
Rest of World Segment \| Intersegment revenue
Segment Reporting Information [Line Items]
Revenues	126.6	134.0	387.9	382.1
Other Revenues
Segment Reporting Information [Line Items]
Revenues	24.0	33.5	90.3	101.7
Other Revenues \| North America Segment \| Other revenue
Segment Reporting Information [Line Items]
Revenues	17.4	17.6	51.8	58.8
Other Revenues \| Europe Segment \| Other revenue
Segment Reporting Information [Line Items]
Revenues	3.4	3.8	11.1	12.3
Other Revenues \| Rest of World Segment \| Other revenue
Segment Reporting Information [Line Items]
Revenues	$ 3.2	$ 12.1	$ 27.4	$ 30.6

Mylan N.V. 10-Q