Consolidated Statement of Shareholders' Equity - 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, 2013		369.6			(7.6)
Balance at Dec. 31, 2013	$ 16,856.1	$ 369.6	$ 8,222.6	$ 8,753.3	$ (412.2)	$ (77.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		3.5			(0.4)
Issuance of shares under employees' and directors' stock plans	99.3	$ 3.5	139.0		$ (43.2)
Issuance of shares (in shares)		34.9
Issuance of shares	2,942.3	$ 34.9	2,907.4
Stock-based compensation	86.6		86.6
Tax benefit related to employees' and directors' stock plans	60.9		60.9
Dividends declared	(180.5)			(180.5)
Net income	1,293.2			1,293.2
Other comprehensive items	(647.1)					(647.1)
Other	(0.2)		(0.2)
Balance (in shares) at Sep. 27, 2014		408.0			(8.0)
Balance at Sep. 27, 2014	20,510.6	$ 408.0	11,416.3	9,866.0	$ (455.4)	(724.3)
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)