Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Sales
Product	$ 3,487	$ 3,780	$ 10,227	$ 11,352
Service	2,783	2,832	8,515	8,554
Total sales	6,270	6,612	18,742	19,906
Operating costs and expenses
Product	2,629	2,846	7,760	8,709
Service	2,333	2,352	6,963	7,007
General and administrative expenses	572	589	1,713	1,713
Operating income	736	825	2,306	2,477
Other (expense) income
Interest expense	(53)	(57)	(158)	(168)
Other, net	12	(13)	30	(8)
Earnings from continuing operations before income taxes	695	755	2,178	2,301
Federal and foreign income tax expense	236	235	733	765
Earnings from continuing operations	459	520	1,445	1,536
Earnings from discontinued operations, net of tax	0	0	0	34
Net earnings	459	520	1,445	1,570
Basic earnings per share
Continuing operations	$ 1.86	$ 1.89	$ 5.77	$ 5.43
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.12
Basic earnings per share	$ 1.86	$ 1.89	$ 5.77	$ 5.55
Weighted-average common shares outstanding, in millions	247.2	274.9	250.4	283.1
Diluted earnings per share
Continuing operations	$ 1.82	$ 1.86	$ 5.67	$ 5.34
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.11
Diluted earnings per share	$ 1.82	$ 1.86	$ 5.67	$ 5.45
Weighted-average diluted shares outstanding, in millions	252.1	279.3	255.0	287.9
Net earnings (from above)	459	520	1,445	1,570
Other comprehensive income
Change in cumulative translation adjustment	12	(25)	3	2
Change in unrealized gain on marketable securities and cash flow hedges, net of tax	(1)	0	(1)	(2)
Change in unamortized benefit plan costs, net of tax	50	22	154	57
Other comprehensive income, net of tax	61	(3)	156	57
Comprehensive income	$ 520	$ 517	$ 1,601	$ 1,627