Consolidated Statements Of Earnings - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
Income Statement [Abstract]
Sales	$ 18,329.7	$ 16,882.4		$ 14,433.7
Cost of sales	(8,137.2)	(7,547.8)		(6,662.6)
Gross profit	10,192.5	9,334.6		7,771.1
Operating costs:
Selling, general and administrative expenses	(6,042.5)	(5,608.6)		(4,747.5)
Research and development expenses	(1,128.8)	(975.1)		(861.4)
Operating profit	3,021.2	2,750.9		2,162.2
Nonoperating income (expense):
Other income	72.8	223.4		12.4
Loss on early extinguishment of borrowings	0.0	(178.8)		0.0
Interest expense	(162.7)	(184.4)		(139.8)
Interest income	7.5	0.2		4.6
Earnings from continuing operations before income taxes	2,938.8	2,611.3		2,039.4
Income taxes	(469.0)	(457.9)		(292.7)
Net earnings from continuing operations	2,469.8	2,153.4		1,746.7
Earnings from discontinued operations, net of income taxes	22.3	400.3		1,610.7
Net earnings	$ 2,492.1	$ 2,553.7		$ 3,357.4
Net earnings per share:
Net earnings per share from continuing operations, basic	$ 3.55	$ 3.12		$ 2.50
Net earnings per share from continuing operations, diluted	3.50	3.08		2.47
Net earnings per share from discontinued operations, basic	0.03	0.58		2.31
Net earnings per share from discontinued operations, diluted	0.03	0.57		2.27
Net earnings per share, basic	3.58	3.69	[1]	4.81
Net earnings per share, diluted	$ 3.53	$ 3.65		$ 4.74
Average common stock and common equivalent shares outstanding:
Basic	695.8	691.2		698.1
Diluted	706.1	699.8		708.5

[1] *Net earnings per share amount does not add due to rounding.