Consolidated Statements of Earnings (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Revenues:
Products	$ 4,877	$ 4,987	$ 9,337	$ 9,705
Services	3,034	2,935	5,978	5,796
Revenues	7,911	7,922	15,315	15,501
Operating costs and expenses:
Products	3,837	3,936	7,366	7,700
Services	2,590	2,491	5,111	4,911
General and administrative	524	525	1,031	1,060
Costs and Expenses, Total	6,951	6,952	13,508	13,671
Operating earnings	960	970	1,807	1,830
Interest, net	(18)	(37)	(41)	(76)
Other, net	1	(5)	1	(5)
Earnings before income taxes	943	928	1,767	1,749
Provision for income taxes, net	303	294	556	551
Net earnings	$ 640	$ 634	$ 1,211	$ 1,198
Basic:
Net earnings	$ 1.82	$ 1.79	$ 3.45	$ 3.37
Diluted:
Net earnings	$ 1.81	$ 1.77	$ 3.43	$ 3.34