Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Sales
Product	$ 4,790	$ 4,037	$ 9,079	$ 8,034
Service	2,329	2,436	4,775	4,849
Total sales	7,119	6,473	13,854	12,883
Operating costs and expenses
Product	3,694	3,037	6,959	6,020
Service	1,863	1,877	3,768	3,744
General and administrative expenses	739	686	1,450	1,384
Operating income	823	873	1,677	1,735
Other (expense) income
Interest expense	(144)	(76)	(287)	(151)
Net FAS (non-service) Pension Benefit (Expense)	125	(17)	245	(35)
Other, net	45	32	85	51
Earnings before income taxes	849	812	1,720	1,600
Federal and foreign income tax expense	160	257	292	395
Net earnings	$ 689	$ 555	$ 1,428	$ 1,205
Basic earnings per share
Basic earnings per share	$ 3.95	$ 3.18	$ 8.19	$ 6.90
Weighted-average common shares outstanding, in millions	174.5	174.5	174.4	174.7
Diluted earnings per share
Diluted earnings per share	$ 3.93	$ 3.16	$ 8.14	$ 6.85
Weighted-average diluted shares outstanding, in millions	175.4	175.5	175.4	175.8
Net earnings (from above)	$ 689	$ 555	$ 1,428	$ 1,205
Change in unamortized benefit plan costs, net of tax	86	102	172	201
Change in cumulative translation adjustment	0	(4)	(2)	0
Other, net	(3)	1	(4)	3
Other comprehensive income, net of tax	83	99	166	204
Comprehensive income	$ 772	$ 654	$ 1,594	$ 1,409