Segments of Business and Geographic Areas (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Sales by geographic area
Total	$ 19,495	$ 17,877	$ 37,610	$ 35,382
Percentage Change In Sales By Geographic Area	9.10%		6.30%
UNITED STATES
Sales by geographic area
Total	9,132	7,946	17,336	15,971
Percentage Change In Sales By Geographic Area	14.90%		8.50%
Europe
Sales by geographic area
Total	5,056	4,672	9,941	9,153
Percentage Change In Sales By Geographic Area	8.20%		8.60%
Western Hemisphere, excluding U.S.
Sales by geographic area
Total	1,863	1,905	3,558	3,688
Percentage Change In Sales By Geographic Area	(2.20%)		(3.50%)
Asia-Pacific, Africa
Sales by geographic area
Total	$ 3,444	$ 3,354	$ 6,775	$ 6,570
Percentage Change In Sales By Geographic Area	2.70%		3.10%