Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Sales
Product	$ 3,615	$ 3,494	$ 10,553	$ 10,466
Service	2,364	2,490	7,279	7,405
Total sales	5,979	5,984	17,832	17,871
Operating costs and expenses
Product	2,633	2,614	7,743	7,815
Service	1,889	2,021	5,763	5,910
General and administrative expenses	663	580	1,939	1,712
Operating income	794	769	2,387	2,434
Other (expense) income
Interest expense	(75)	(69)	(226)	(208)
Other, net	10	(6)	8	10
Earnings before income taxes	729	694	2,169	2,236
Federal and foreign income tax expense	213	221	638	673
Net earnings	$ 516	$ 473	$ 1,531	$ 1,563
Basic earnings per share
Basic earnings per share	$ 2.78	$ 2.29	$ 7.98	$ 7.39
Weighted-average common shares outstanding, in millions	185.8	206.2	191.8	211.6
Diluted earnings per share
Diluted earnings per share	$ 2.75	$ 2.26	$ 7.89	$ 7.28
Weighted-average diluted shares outstanding, in millions	187.9	209.2	194.0	214.8
Net earnings (from above)	$ 516	$ 473	$ 1,531	$ 1,563
Change in unamortized benefit plan costs, net of tax	96	31	288	127
Change in cumulative translation adjustment	(15)	(26)	(31)	(24)
Other, net	1	3	0	3
Other comprehensive income, net of tax	82	8	257	106
Comprehensive income	$ 598	$ 481	$ 1,788	$ 1,669