Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Sales	$ 9,151	$ 8,884	$ 18,308	$ 17,504
Operating costs and expenses
General and administrative expenses	999	832	1,897	1,620
Total operating costs and expenses	8,107	7,890	16,422	15,576
Gain on sale of business	0	0	1,980	0
Operating income	1,044	994	3,866	1,928
Other (expense) income
Interest expense	(136)	(154)	(291)	(279)
Non-operating FAS pension benefit	367	303	734	605
Other, net	27	60	9	2
Earnings before income taxes	1,302	1,203	4,318	2,256
Federal and foreign income tax expense	265	198	1,086	383
Net earnings	$ 1,037	$ 1,005	$ 3,232	$ 1,873
Basic earnings per share
Basic earnings per share	$ 6.44	$ 6.02	$ 19.95	$ 11.20
Weighted-average common shares outstanding, in millions	161.0	166.9	162.0	167.3
Diluted earnings per share
Diluted earnings per share	$ 6.42	$ 6.01	$ 19.89	$ 11.16
Weighted-average diluted shares outstanding, in millions	161.5	167.3	162.5	167.9
Net earnings (from above)	$ 1,037	$ 1,005	$ 3,232	$ 1,873
Change in unamortized prior service credit, net of tax	(2)	(11)	(4)	(21)
Change in cumulative translation adjustment and other, net	1	10	0	1
Other comprehensive loss, net of tax	(1)	(1)	(4)	(20)
Comprehensive income	1,036	1,004	3,228	1,853
Product [Member]
Sales	7,193	6,482	14,215	12,658
Cost of Sales	5,620	5,127	11,310	10,079
Service [Member]
Sales	1,958	2,402	4,093	4,846
Cost of Sales	$ 1,488	$ 1,931	$ 3,215	$ 3,877