Segments of Business and Geographic Areas (Details 5) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Sales by geographic area
Total	$ 17,575	$ 17,052	$ 52,957	$ 49,666
Percentage Change In Sales By Geographic Area	3.10%		6.60%
UNITED STATES
Sales by geographic area
Total	7,925	7,791	23,896	22,370
Percentage Change In Sales By Geographic Area	1.70%		6.80%
Europe [Member]
Sales by geographic area
Total	4,478	3,983	13,631	12,342
Percentage Change In Sales By Geographic Area	12.40%		10.40%
Western Hemisphere, excluding U.S. [Member]
Sales by geographic area
Total	1,842	1,824	5,530	5,266
Percentage Change In Sales By Geographic Area	1.00%		5.00%
Asia-Pacific, Africa [Member]
Sales by geographic area
Total	$ 3,330	$ 3,454	$ 9,900	$ 9,688
Percentage Change In Sales By Geographic Area	(3.60%)		2.20%