Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Items [Member]
Balance (in shares) at Dec. 31, 2015		411.9			12.3
Balance at Dec. 31, 2015	$ 21,350.2	$ 411.9	$ 11,801.2	$ 12,142.3	$ (1,007.9)	$ (1,997.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		3.1			0.3
Issuance of shares under employees' and directors' stock plans	95.4	$ 3.1	139.7		$ (47.4)
Stock-based compensation	102.0		102.0
Tax benefit related to employees' and directors' stock plans	54.2		54.2
Purchases of company common stock (in shares)					7.3
Purchases of company common stock	(1,000.0)				$ (1,000.0)
Dividends declared	(178.1)			(178.1)
Net Income	1,392.3			1,392.3
Other comprehensive items	(157.4)					(157.4)
Balance (in shares) at Oct. 01, 2016		415.0			19.9
Balance at Oct. 01, 2016	21,658.6	$ 415.0	12,097.1	13,356.5	$ (2,055.3)	(2,154.7)
Balance (in shares) at Dec. 31, 2016		415.1			21.7
Balance at Dec. 31, 2016	21,539.3	$ 415.1	12,139.6	13,926.9	$ (2,306.0)	(2,636.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		2.8			0.3
Issuance of shares under employees' and directors' stock plans	131.0	$ 2.8	173.3		$ (45.1)
Issuance of shares (in shares)		10.1
Issuance of shares	1,690.3	$ 10.1	1,680.2
Stock-based compensation	115.9		115.9
Purchases of company common stock (in shares)					5.0
Purchases of company common stock	(750.0)				$ (750.0)
Dividends declared	(178.0)			(178.0)
Net Income	1,696.9			1,696.9
Other comprehensive items	453.4					453.4
Other	3.0		3.0
Balance (in shares) at Sep. 30, 2017		428.0			27.0
Balance at Sep. 30, 2017	$ 24,701.8	$ 428.0	$ 14,112.0	$ 15,445.8	$ (3,101.1)	$ (2,182.9)