Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Balance at Dec. 31, 2015	$ 9,765.8	$ 5.5	$ 7,128.6	$ 4,462.1	$ (67.5)	$ (1,764.3)	$ 1.4
Balance (in shares) at Dec. 31, 2015		491,928,095			1,311,193
Net earnings	480.0			480.0			0.0
Other comprehensive (loss) earnings, net of tax	(499.4)					(499.4)
Stock options exercised, net of shares tendered for payment	13.6		13.6		$ 0.0
Stock options exercised, net of shares tendered for payment (in shares)		1,283,580			0
Stock compensation expense	88.9		88.9
Issuance of restricted stock, net of shares withheld	(14.2)		(14.2)
Stock Issued During Period, Value, Other		$ 0.2	(0.2)
Issuance of restricted stock, net of shares withheld (in shares)					0
Tax benefit of stock option plans	1.2		1.2
Issuance of Ordinary Shares to Mylan N.V.		16,979,984
Stock Issued During Period, Shares, Acquisitions		26,447,632
Stock Issued During Period, Value, Acquisitions	1,281.7	$ 0.3	1,281.4
Other	5.0		0.0		$ 0.0
Balance at Dec. 31, 2016	11,117.6	$ 6.0	8,499.3	4,942.1	$ (67.5)	(2,263.7)	1.4
Balance (in shares) at Dec. 31, 2016		536,639,291			1,311,193
Net earnings	696.0			696.0			0.0
Other comprehensive (loss) earnings, net of tax	1,902.5					1,902.5
Common stock share repurchase	$ (500.2)				$ (500.2)
Common stock share repurchase (in shares)	(12,400,000)				(12,400,000)
Stock options exercised, net of shares tendered for payment	$ 17.8		17.8
Stock options exercised, net of shares tendered for payment (in shares)		1,263,135
Stock compensation expense	74.7		74.7
Tax benefit of stock option plans	(5.8)		(5.8)
Stock Issued During Period, Value, Acquisitions	0.0
Other				(6.4)			(1.4)
Balance at Dec. 31, 2017	13,307.6	$ 6.0	8,586.0	5,644.5	$ (567.7)	(361.2)	0.0
Balance (in shares) at Dec. 31, 2017		537,902,426			13,695,251
Net earnings	352.5			352.5
Other comprehensive (loss) earnings, net of tax	(1,072.6)					(1,072.6)
Common stock share repurchase	(432.0)				$ 432.0
Common stock share repurchase (in shares)					(9,800,000)
Stock options exercised, net of shares tendered for payment (in shares)		1,387,239
Stock compensation expense	(3.3)		(3.3)
Issuance of restricted stock, net of shares withheld	17.7		17.7
Tax benefit of stock option plans	(9.0)		(9.0)
Stock Issued During Period, Value, Acquisitions	0.0
Other	(6.2)			(13.7)		7.5
Balance at Dec. 31, 2018	$ 12,167.1	$ 6.0	$ 8,591.4	$ 6,010.7	$ (999.7)	$ (1,441.3)	$ 0.0
Balance (in shares) at Dec. 31, 2018		539,289,665			23,490,867