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, 2014		408.5			8.0
Balance at Dec. 31, 2014	$ 20,548.1	$ 408.5	$ 11,473.6	$ 10,406.9	$ (455.9)	$ (1,285.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		2.9			0.4
Issuance of shares under employees' and directors' stock plans	64.1	$ 2.9	112.6		$ (51.4)
Stock-based compensation	91.8		91.8
Tax benefit related to employees' and directors' stock plans	54.8		54.8
Purchases of company common stock (in shares)					3.9
Purchases of company common stock	(500.0)				$ (500.0)
Dividends declared	(180.0)			(180.0)
Net Income	1,372.8			1,372.8
Other comprehensive items	(601.4)					(601.4)
Balance (in shares) at Sep. 26, 2015		411.4			12.3
Balance at Sep. 26, 2015	20,850.2	$ 411.4	11,732.8	11,599.7	$ (1,007.3)	(1,886.4)
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)