Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Sales	$ 8,720	$ 9,083	$ 27,028	$ 26,587
Operating costs and expenses
General and administrative expenses	891	855	2,788	2,475
Total operating costs and expenses	7,677	8,098	24,099	23,674
Gain on sale of business	0	0	1,980	0
Operating income	1,043	985	4,909	2,913
Other (expense) income
Interest expense	(132)	(154)	(423)	(433)
Non-operating FAS pension benefit	367	302	1,101	907
Other, net	(3)	34	6	36
Earnings before income taxes	1,275	1,167	5,593	3,423
Federal and foreign income tax expense	212	181	1,298	564
Net earnings	$ 1,063	$ 986	$ 4,295	$ 2,859
Basic earnings per share
Basic earnings per share	$ 6.65	$ 5.91	$ 26.63	$ 17.11
Weighted-average common shares outstanding, in millions	159.8	166.8	161.3	167.1
Diluted earnings per share
Diluted earnings per share	$ 6.63	$ 5.89	$ 26.55	$ 17.05
Weighted-average diluted shares outstanding, in millions	160.4	167.3	161.8	167.7
Net earnings (from above)	$ 1,063	$ 986	$ 4,295	$ 2,859
Change in unamortized prior service credit, net of tax	(2)	(10)	(6)	(31)
Change in cumulative translation adjustment and other, net	(6)	6	(6)	7
Other comprehensive loss, net of tax	(8)	(4)	(12)	(24)
Comprehensive income	1,055	982	4,283	2,835
Product [Member]
Sales	6,845	6,667	21,060	19,325
Cost of Sales	5,352	5,346	16,662	15,425
Service [Member]
Sales	1,875	2,416	5,968	7,262
Cost of Sales	$ 1,434	$ 1,897	$ 4,649	$ 5,774