Selected Quarterly Data (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue	$ 5,808.8	$ 5,772.6	$ 5,929.7	$ 5,602.0	$ 5,957.3	$ 5,443.3	$ 5,600.7	$ 5,602.0	$ 23,113.1	$ 22,603.4	$ 24,286.5
Cost of sales	1,386.5	1,198.1	1,165.2	1,158.3	1,248.3	1,203.6	1,146.7	1,197.9	4,908.1	4,796.5	5,067.9
Operating Expenses	3,429.0	3,029.8	3,198.0	3,000.1	3,440.6	3,100.2	3,251.8	2,999.0
Acquired in-process research and development	57.1	0	0	0					57.1	0	388.0
Asset impairment, restructuring, and other special charges	35.4	0	63.5	21.7	204.0	53.3	0	23.8	120.6	281.1	401.4
Other-net, (income) expense	(9.1)	31.3	(11.9)	(529.2)	52.0	(788.5)	16.5	46.0	(518.9)	(674.0)	179.0
Income before income taxes	909.9	1,513.4	1,514.9	1,951.1	1,012.4	1,874.7	1,185.7	1,335.3	5,889.3	5,408.2	5,349.5
Net income	$ 727.5	$ 1,203.1	$ 1,206.2	$ 1,548.0	$ 827.2	$ 1,326.6	$ 923.6	$ 1,011.1	$ 4,684.8	$ 4,088.6	$ 4,347.7
Earnings per share - basic	$ 0.68	$ 1.11	$ 1.12	$ 1.42	$ 0.75	$ 1.18	$ 0.83	$ 0.91	$ 4.33	$ 3.67	$ 3.90
Earnings per share - diluted	$ 0.67	$ 1.11	$ 1.11	$ 1.42	$ 0.74	$ 1.18	$ 0.83	$ 0.91	$ 4.32	$ 3.66	$ 3.90
Common Stock, Dividends, Per Share, Cash Paid	$ 0.49	$ 0.49	$ 0.49	$ 0.49	$ 0.49	$ 0.49	$ 0.49	$ 0.49
High [Member]
Share Price	$ 51.34	$ 54.96	$ 58.33	$ 56.79	$ 53.81	$ 47.64	$ 42.91	$ 41.80	$ 51.34	$ 53.81
Low [Member]
Share Price	$ 47.65	$ 49.92	$ 49.06	$ 49.51	$ 45.91	$ 41.98	$ 39.18	$ 38.49	$ 47.65	$ 45.91