Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues:
Products	$ 19,784	$ 21,440	$ 21,723
Services	11,729	11,237	10,743
Revenues	31,513	32,677	32,466
Operating costs and expenses:
Products	16,228	17,230	17,359
Services	10,182	9,591	9,198
Goodwill impairment	1,994	0	0
General and administrative (G&A)	2,276	2,030	1,964
Costs and Expenses, Total	30,680	28,851	28,521
Operating earnings	833	3,826	3,945
Interest, net	(156)	(141)	(157)
Other, net	(136)	33	2
Earnings from continuing operations before income taxes	541	3,718	3,790
Provision for income taxes, net	873	1,166	1,162
Earnings (loss) from continuing operations	(332)	2,552	2,628
Discontinued operations, net of tax	0	(26)	(4)
Net earnings (loss)	$ (332)	$ 2,526	$ 2,624
Basic:
Continuing operations	$ (0.94)	$ 7.01	$ 6.89
Discontinued operations	$ 0.00	$ (0.07)	$ (0.01)
Net earnings (loss)	$ (0.94)	$ 6.94	$ 6.88
Diluted:
Continuing operations	$ (0.94)	$ 6.94	$ 6.82
Discontinued operations	$ 0.00	$ (0.07)	$ (0.01)
Net earnings (loss)	$ (0.94)	$ 6.87	$ 6.81