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)		1.4			0.1
Issuance of shares under employees' and directors' stock plans	40.5	$ 1.4	57.4		$ (18.3)
Stock-based compensation	33.4		33.4
Tax benefit related to employees' and directors' stock plans	26.8		26.8
Purchases of company common stock (in shares)					7.3
Purchases of company common stock	(1,000.0)				$ (1,000.0)
Dividends declared	(59.3)			(59.3)
Net Income	402.2			402.2
Other comprehensive items	130.6					130.6
Balance (in shares) at Apr. 02, 2016		413.3			19.7
Balance at Apr. 02, 2016	20,924.4	$ 413.3	11,918.8	12,485.2	$ (2,026.2)	(1,866.7)
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)		1.3			0.1
Issuance of shares under employees' and directors' stock plans	67.6	$ 1.3	79.4		$ (13.1)
Stock-based compensation	33.0		33.0
Purchases of company common stock (in shares)					3.4
Purchases of company common stock	(500.0)				$ (500.0)
Dividends declared	(58.9)			(58.9)
Net Income	551.4			551.4
Other comprehensive items	162.8					162.8
Balance (in shares) at Apr. 01, 2017		416.4			25.2
Balance at Apr. 01, 2017	$ 21,795.2	$ 416.4	$ 12,252.0	$ 14,419.4	$ (2,819.1)	$ (2,473.5)