Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Sales	$ 8,085	$ 6,569	$ 21,939	$ 19,452
Operating costs and expenses
General and administrative expenses	817	679	2,267	2,063
Operating income	1,178	837	2,855	2,572
Other (expense) income
Interest expense	(133)	(73)	(420)	(224)
Net FAS (non-service) Pension Benefit (Expense)	135	2	380	(33)
Other, net	57	16	142	67
Earnings before income taxes	1,237	782	2,957	2,382
Federal and foreign income tax expense	93	139	385	534
Net earnings	$ 1,144	$ 643	$ 2,572	$ 1,848
Basic earnings per share
Basic earnings per share	$ 6.57	$ 3.69	$ 14.76	$ 10.59
Weighted-average common shares outstanding, in millions	174.1	174.2	174.3	174.5
Diluted earnings per share
Diluted earnings per share	$ 6.54	$ 3.67	$ 14.68	$ 10.52
Weighted-average diluted shares outstanding, in millions	174.9	175.3	175.2	175.6
Net earnings (from above)	$ 1,144	$ 643	$ 2,572	$ 1,848
Change in unamortized benefit plan costs, net of tax	84	99	256	300
Change in cumulative translation adjustment	(2)	0	(4)	0
Other, net	(1)	0	(5)	3
Other comprehensive income, net of tax	81	99	247	303
Comprehensive income	1,225	742	2,819	2,151
Product
Sales	5,614	4,183	14,693	12,217
Cost of sales	4,229	3,189	11,188	9,209
Service
Sales	2,471	2,386	7,246	7,235
Cost of sales	$ 1,861	$ 1,864	$ 5,629	$ 5,608