Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Sales
Product	$ 3,341	$ 3,863
Service	2,857	2,871
Sales	6,198	6,734
Operating costs and expenses
Product	2,527	3,003
Service	2,314	2,352
General and administrative expenses	561	568
Operating income	796	811
Other (expense) income
Interest expense	(53)	(58)
Other, net	13	5
Earnings from continuing operations before income taxes	756	758
Federal and foreign income tax expense	250	262
Earnings from continuing operations	506	496
Earnings from discontinued operations, net of tax	0	34
Net earnings	506	530
Basic Earnings Per Share
Continuing operations	$ 2.00	$ 1.70
Discontinued operations	$ 0.00	$ 0.12
Basic earnings per share	$ 2.00	$ 1.82
Weighted-average common shares outstanding, in millions	253.1	291.8
Diluted Earnings Per Share
Continuing operations	$ 1.96	$ 1.67
Discontinued operations	$ 0.00	$ 0.12
Diluted earnings per share	$ 1.96	$ 1.79
Weighted-average diluted shares outstanding, in millions	258.0	296.9
Net earnings (from above)	506	530
Other comprehensive income
Change in cumulative translation adjustment	6	27
Change in unrealized gain on marketable securities and cash flow hedges, net of tax	0	(2)
Change in unamortized benefit plan costs, net of tax	50	21
Other comprehensive income, net of tax	56	46
Comprehensive income	$ 562	$ 576