Consolidated and Combined Statement of Earnings - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Sales	$ 6,656.0	$ 6,224.3	$ 6,178.8
Cost of sales	(3,357.5)	(3,191.5)	(3,178.8)
Gross profit	3,298.5	3,032.8	3,000.0
Operating costs:
Selling, general and administrative expenses	(1,537.6)	(1,402.0)	(1,352.6)
Research and development expenses	(406.0)	(384.8)	(377.7)
Operating profit	1,354.9	1,246.0	1,269.7
Non-operating income (expense):
Gain from acquisition	15.3	0.0	0.0
Interest expense and other	(86.0)	(49.0)	0.0
Earnings before income taxes	1,284.2	1,197.0	1,269.7
Income taxes	(239.7)	(324.7)	(405.9)
Net earnings	$ 1,044.5	$ 872.3	$ 863.8
Net earnings per share:
Basic EPS (in dollars per share)	$ 3.01	$ 2.52	$ 2.50
Diluted EPS (in dollars per share)	$ 2.96	$ 2.51	$ 2.50
Average common stock and common equivalent shares outstanding:
Basic EPS (in shares)	347.5	345.7	345.2
Diluted EPS (in shares)	352.6	347.3	345.2