Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Sales
Product	$ 3,916	$ 3,560	$ 7,750	$ 7,038
Service	2,459	2,440	4,892	4,918
Total sales	6,375	6,000	12,642	11,956
Operating costs and expenses
Product	2,958	2,621	5,829	5,232
Service	1,896	1,962	3,783	3,912
General and administrative expenses	666	620	1,343	1,276
Operating income	855	797	1,687	1,536
Other (expense) income
Interest expense	(76)	(74)	(151)	(150)
Other, net	28	7	44	20
Earnings before income taxes	807	730	1,580	1,406
Federal and foreign income tax expense	255	213	388	333
Net earnings	$ 552	$ 517	$ 1,192	$ 1,073
Basic earnings per share
Basic earnings per share	$ 3.16	$ 2.87	$ 6.82	$ 5.94
Weighted-average common shares outstanding, in millions	174.5	180.1	174.7	180.7
Diluted earnings per share
Diluted earnings per share	$ 3.15	$ 2.85	$ 6.78	$ 5.88
Weighted-average diluted shares outstanding, in millions	175.5	181.5	175.8	182.4
Net earnings (from above)	$ 552	$ 517	$ 1,192	$ 1,073
Change in unamortized benefit plan costs, net of tax	102	100	201	201
Change in cumulative translation adjustment	(4)	(9)	0	(13)
Other, net	1	1	3	0
Other comprehensive income, net of tax	99	92	204	188
Comprehensive income	$ 651	$ 609	$ 1,396	$ 1,261