Consolidated Statements of Earnings and Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Sales
Product	$ 14,738	$ 13,966	$ 14,015
Service	9,770	9,560	9,964
Total sales	24,508	23,526	23,979
Operating costs and expenses
Product	11,002	10,333	10,431
Service	7,729	7,551	7,947
General and administrative expenses	2,584	2,566	2,405
Operating income	3,193	3,076	3,196
Other (expense) income
Interest expense	(301)	(301)	(282)
Other, net	31	15	23
Earnings before income taxes	2,923	2,790	2,937
Federal and foreign income tax expense	723	800	868
Net earnings	$ 2,200	$ 1,990	$ 2,069
Basic earnings per share
Basic earnings per share	$ 12.30	$ 10.51	$ 9.91
Weighted-average common shares outstanding, in millions	178.9	189.4	208.8
Diluted earnings per share
Diluted earnings per share	$ 12.19	$ 10.39	$ 9.75
Weighted-average diluted shares outstanding, in millions	180.5	191.6	212.1
Net earnings (from above)	$ 2,200	$ 1,990	$ 2,069
Other comprehensive (loss) income
Change in unamortized benefit plan costs, net of tax benefit (expense) of $89 in 2016, ($45) in 2015 and $1,423 in 2014	(175)	75	(2,316)
Change in cumulative translation adjustment	(50)	(41)	(59)
Other, net	(1)	2	3
Other comprehensive (loss) income, net of tax	(226)	36	(2,372)
Comprehensive income (loss)	$ 1,974	$ 2,026	$ (303)