Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Sales
Product	$ 3,560	$ 3,509	$ 7,038	$ 6,938
Service	2,440	2,387	4,918	4,915
Total sales	6,000	5,896	11,956	11,853
Operating costs and expenses
Product	2,621	2,568	5,232	5,110
Service	1,962	1,874	3,912	3,874
General and administrative expenses	620	641	1,276	1,276
Operating income	797	813	1,536	1,593
Other (expense) income
Interest expense	(74)	(75)	(150)	(151)
Other, net	7	(2)	20	(2)
Earnings before income taxes	730	736	1,406	1,440
Federal and foreign income tax expense	213	205	333	425
Net earnings	$ 517	$ 531	$ 1,073	$ 1,015
Basic earnings per share
Basic earnings per share	$ 2.87	$ 2.77	$ 5.94	$ 5.21
Weighted-average common shares outstanding, in millions	180.1	191.8	180.7	194.8
Diluted earnings per share
Diluted earnings per share	$ 2.85	$ 2.74	$ 5.88	$ 5.15
Weighted-average diluted shares outstanding, in millions	181.5	193.7	182.4	197.1
Net earnings (from above)	$ 517	$ 531	$ 1,073	$ 1,015
Change in unamortized benefit plan costs, net of tax	100	96	201	192
Change in cumulative translation adjustment	(9)	13	(13)	(16)
Other, net	1	0	0	(1)
Other comprehensive income, net of tax	92	109	188	175
Comprehensive income	$ 609	$ 640	$ 1,261	$ 1,190