Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Sales
Product	$ 3,721	$ 3,615	$ 10,759	$ 10,553
Service	2,434	2,364	7,352	7,279
Total sales	6,155	5,979	18,111	17,832
Operating costs and expenses
Product	2,760	2,633	7,992	7,743
Service	1,907	1,889	5,819	5,763
General and administrative expenses	662	663	1,938	1,939
Operating income	826	794	2,362	2,387
Other (expense) income
Interest expense	(74)	(75)	(224)	(226)
Other, net	17	10	37	8
Earnings before income taxes	769	729	2,175	2,169
Federal and foreign income tax expense	167	213	500	638
Net earnings	$ 602	$ 516	$ 1,675	$ 1,531
Basic earnings per share
Basic earnings per share	$ 3.38	$ 2.78	$ 9.32	$ 7.98
Weighted-average common shares outstanding, in millions	178.1	185.8	179.8	191.8
Diluted earnings per share
Diluted earnings per share	$ 3.35	$ 2.75	$ 9.23	$ 7.89
Weighted-average diluted shares outstanding, in millions	179.6	187.9	181.5	194.0
Net earnings (from above)	$ 602	$ 516	$ 1,675	$ 1,531
Change in unamortized benefit plan costs, net of tax	101	96	302	288
Change in cumulative translation adjustment	(6)	(15)	(19)	(31)
Other, net	(1)	1	(1)	0
Other comprehensive income, net of tax	94	82	282	257
Comprehensive income	$ 696	$ 598	$ 1,957	$ 1,788