Consolidated Statements of Comprehensive Earnings - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net earnings	$ 352.5	$ 696.0	$ 480.0
Other comprehensive (loss) earnings, before tax:
Foreign currency translation adjustment	(1,125.2)	2,103.9	(507.4)
Change in unrecognized (loss) gain and prior service cost related to defined benefit plans	(3.8)	3.8	21.4
Net unrealized (loss) gain on marketable securities	(0.1)	(6.7)	24.6
Other comprehensive (loss) earnings, before tax	(1,096.7)	1,915.3	(494.4)
Income tax (benefit) provision	(24.1)	12.8	5.0
Other comprehensive (loss) earnings, net of tax	(1,072.6)	1,902.5	(499.4)
Comprehensive earnings	(720.1)	2,598.5	(19.4)
Cash flow hedging relationships
Other comprehensive (loss) earnings, before tax:
Net unrecognized (loss) gain on derivatives in cash flow hedging relationships	(79.2)	52.7	(31.2)
Net Investment Hedging
Other comprehensive (loss) earnings, before tax:
Net unrecognized (loss) gain on derivatives in cash flow hedging relationships	111.6	(238.4)	(1.8)
Mylan N.V.
Net earnings	352.5	696.0	480.0
Other comprehensive (loss) earnings, before tax:
Foreign currency translation adjustment	(1,125.2)	2,103.9	(507.4)
Change in unrecognized (loss) gain and prior service cost related to defined benefit plans	(3.8)	3.8	21.4
Net unrealized (loss) gain on marketable securities	(0.1)	(6.7)	24.6
Other comprehensive (loss) earnings, before tax	(1,096.7)	1,915.3	(494.4)
Income tax (benefit) provision	(24.1)	12.8	5.0
Other comprehensive (loss) earnings, net of tax	(1,072.6)	1,902.5	(499.4)
Comprehensive earnings	(720.1)	2,598.5	(19.4)
Mylan N.V. \| Cash flow hedging relationships
Other comprehensive (loss) earnings, before tax:
Net unrecognized (loss) gain on derivatives in cash flow hedging relationships	(79.2)	52.7	(31.2)
Mylan N.V. \| Net Investment Hedging
Other comprehensive (loss) earnings, before tax:
Net unrecognized (loss) gain on derivatives in cash flow hedging relationships	111.6	(238.4)	(1.8)
Foreign Currency Translation Adjustment
Other comprehensive (loss) earnings, before tax:
Foreign currency translation adjustment	(1,125.2)		(507.4)
Defined Pension Plan Items
Other comprehensive (loss) earnings, before tax:
Change in unrecognized (loss) gain and prior service cost related to defined benefit plans			(21.4)
Gains and Losses on Derivatives in Cash Flow Hedging Relationships \| Cash flow hedging relationships
Other comprehensive (loss) earnings, before tax:
Net unrecognized (loss) gain on derivatives in cash flow hedging relationships	(79.2)		(31.2)
Gains and Losses on Marketable Securities
Other comprehensive (loss) earnings, before tax:
Net unrealized (loss) gain on marketable securities			24.6
AOCI Attributable to Parent [Member]
Other comprehensive (loss) earnings, before tax:
Other comprehensive (loss) earnings, before tax		1,915.3	(494.4)
Other comprehensive (loss) earnings, net of tax	(1,072.6)	1,902.5	(499.4)
Reclassification out of Accumulated Other Comprehensive Income \| AOCI Attributable to Parent [Member]
Other comprehensive (loss) earnings, before tax:
Income tax (benefit) provision	$ (24.1)	$ 12.8	$ 5.0

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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