Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Sales	$ 8,456	$ 7,119	$ 16,645	$ 13,854
Operating costs and expenses
General and administrative expenses	784	739	1,544	1,450
Operating income	946	817	1,882	1,665
Other (expense) income
Interest expense	(137)	(144)	(275)	(287)
FAS (non-service) pension benefit	200	258	400	512
Other, net	19	45	55	85
Earnings before income taxes	1,028	976	2,062	1,975
Federal and foreign income tax expense	167	187	338	346
Net earnings	$ 861	$ 789	$ 1,724	$ 1,629
Basic earnings per share
Basic earnings per share	$ 5.07	$ 4.52	$ 10.15	$ 9.34
Weighted-average common shares outstanding, in millions	169.7	174.5	169.9	174.4
Diluted earnings per share
Diluted earnings per share	$ 5.06	$ 4.50	$ 10.11	$ 9.29
Weighted-average diluted shares outstanding, in millions	170.3	175.4	170.5	175.4
Net earnings (from above)	$ 861	$ 789	$ 1,724	$ 1,629
Change in unamortized prior service credit, net of tax	(12)	(15)	(23)	(30)
Change in cumulative translation adjustment and other, net	(4)	(3)	0	(6)
Other comprehensive loss, net of tax	(16)	(18)	(23)	(36)
Comprehensive income	845	771	1,701	1,593
Product [Member]
Sales	5,880	4,790	11,608	9,079
Cost of Sales	4,661	3,698	9,178	6,967
Service [Member]
Sales	2,576	2,329	5,037	4,775
Cost of Sales	$ 2,065	$ 1,865	$ 4,041	$ 3,772