Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Sales	$ 8,884	$ 8,456	$ 17,504	$ 16,645
Operating costs and expenses
General and administrative expenses	832	784	1,620	1,544
Operating income	994	946	1,928	1,882
Other (expense) income
Interest expense	(154)	(137)	(279)	(275)
FAS (non-service) pension benefit	303	200	605	400
Other, net	60	19	2	55
Earnings before income taxes	1,203	1,028	2,256	2,062
Federal and foreign income tax expense	198	167	383	338
Net earnings	$ 1,005	$ 861	$ 1,873	$ 1,724
Basic earnings per share
Basic earnings per share	$ 6.02	$ 5.07	$ 11.20	$ 10.15
Weighted-average common shares outstanding, in millions	166.9	169.7	167.3	169.9
Diluted earnings per share
Diluted earnings per share	$ 6.01	$ 5.06	$ 11.16	$ 10.11
Weighted-average diluted shares outstanding, in millions	167.3	170.3	167.9	170.5
Net earnings (from above)	$ 1,005	$ 861	$ 1,873	$ 1,724
Change in unamortized prior service credit, net of tax	(11)	(12)	(21)	(23)
Change in cumulative translation adjustment and other, net	10	(4)	1	0
Other comprehensive loss, net of tax	(1)	(16)	(20)	(23)
Comprehensive income	1,004	845	1,853	1,701
Product [Member]
Sales	6,482	5,880	12,658	11,608
Cost of Sales	5,127	4,661	10,079	9,178
Service [Member]
Sales	2,402	2,576	4,846	5,037
Cost of Sales	$ 1,931	$ 2,065	$ 3,877	$ 4,041