Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Sales	$ 8,475	$ 8,085	$ 25,120	$ 21,939
Operating costs and expenses
General and administrative expenses	776	817	2,320	2,267
Operating income	951	1,172	2,833	2,837
Other (expense) income
Interest expense	(123)	(133)	(398)	(420)
FAS (non-service) pension benefit	200	270	600	782
Other, net	27	55	82	140
Earnings before income taxes	1,055	1,364	3,117	3,339
Federal and foreign income tax expense	122	120	460	466
Net earnings	$ 933	$ 1,244	$ 2,657	$ 2,873
Basic earnings per share
Basic earnings per share	$ 5.52	$ 7.15	$ 15.67	$ 16.48
Weighted-average common shares outstanding, in millions	169.1	174.1	169.6	174.3
Diluted earnings per share
Diluted earnings per share	$ 5.49	$ 7.11	$ 15.60	$ 16.40
Weighted-average diluted shares outstanding, in millions	169.9	174.9	170.3	175.2
Net earnings (from above)	$ 933	$ 1,244	$ 2,657	$ 2,873
Change in unamortized prior service credit, net of tax	(12)	(15)	(35)	(45)
Change in cumulative translation adjustment and other, net	0	(3)	0	(9)
Other comprehensive loss, net of tax	(12)	(18)	(35)	(54)
Comprehensive income	921	1,226	2,622	2,819
Product [Member]
Sales	5,997	5,614	17,605	14,693
Cost of Sales	4,777	4,233	13,955	11,200
Service [Member]
Sales	2,478	2,471	7,515	7,246
Cost of Sales	$ 1,971	$ 1,863	$ 6,012	$ 5,635