Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Sales
Product	$ 3,494	$ 3,330	$ 10,466	$ 10,344
Service	2,490	2,776	7,405	8,160
Total sales	5,984	6,106	17,871	18,504
Operating costs and expenses
Product	2,614	2,499	7,815	7,833
Service	2,021	2,262	5,910	6,621
General and administrative expenses	580	555	1,712	1,695
Operating income	769	790	2,434	2,355
Other (expense) income
Interest expense	(69)	(70)	(208)	(183)
Other, net	(6)	0	10	(16)
Earnings before income taxes	694	720	2,236	2,156
Federal and foreign income tax expense	221	223	673	682
Net earnings	473	497	1,563	1,474
Basic earnings per share
Basic earnings per share	$ 2.29	$ 2.18	$ 7.39	$ 6.33
Weighted-average common shares outstanding, in millions	206.2	228.2	211.6	232.8
Diluted earnings per share
Diluted earnings per share	$ 2.26	$ 2.14	$ 7.28	$ 6.22
Weighted-average diluted shares outstanding, in millions	209.2	232.6	214.8	237.0
Net earnings (from above)	473	497	1,563	1,474
Change in unamortized benefit plan costs, net of tax	31	78	127	237
Change in cumulative translation adjustment	(26)	15	(24)	8
Change in unrealized loss on marketable securities and cash flow hedges, net of tax	3	(1)	3	(1)
Other comprehensive income, net of tax	8	92	106	244
Comprehensive income	$ 481	$ 589	$ 1,669	$ 1,718