Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Sales	$ 9,083	$ 8,475	$ 26,587	$ 25,120
Operating costs and expenses
General and administrative expenses	855	776	2,475	2,320
Operating income	985	951	2,913	2,833
Other (expense) income
Interest expense	(154)	(123)	(433)	(398)
FAS (non-service) pension benefit	302	200	907	600
Other, net	34	27	36	82
Earnings before income taxes	1,167	1,055	3,423	3,117
Federal and foreign income tax expense	181	122	564	460
Net earnings	$ 986	$ 933	$ 2,859	$ 2,657
Basic earnings per share
Basic earnings per share	$ 5.91	$ 5.52	$ 17.11	$ 15.67
Weighted-average common shares outstanding, in millions	166.8	169.1	167.1	169.6
Diluted earnings per share
Diluted earnings per share	$ 5.89	$ 5.49	$ 17.05	$ 15.60
Weighted-average diluted shares outstanding, in millions	167.3	169.9	167.7	170.3
Net earnings (from above)	$ 986	$ 933	$ 2,859	$ 2,657
Change in unamortized prior service credit, net of tax	(10)	(12)	(31)	(35)
Change in cumulative translation adjustment and other, net	6	0	7	0
Other comprehensive loss, net of tax	(4)	(12)	(24)	(35)
Comprehensive income	982	921	2,835	2,622
Product [Member]
Sales	6,667	5,997	19,325	17,605
Cost of Sales	5,346	4,777	15,425	13,955
Service [Member]
Sales	2,416	2,478	7,262	7,515
Cost of Sales	$ 1,897	$ 1,971	$ 5,774	$ 6,012