Consolidated Statements of Income (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
Revenue:
Sales	$ 1,832	$ 1,663	$ 5,345	$ 4,635
Services	3,396	3,401	10,363	9,501
Total revenue	5,228	5,064	15,708	14,136
Costs and expenses:
Cost of sales	1,474	1,342	4,227	3,766
Cost of services	2,831	2,501	8,433	7,134
Research and engineering	117	115	366	331
Marketing, general and administrative	344	301	975	862
Total costs and expenses	4,766	4,259	14,001	12,093
Operating income	462	805	1,707	2,043
Interest expense, net	(49)	(58)	(153)	(164)
Loss on early extinguishment of debt	0	(40)	0	(40)
Income from continuing operations before income taxes	413	707	1,554	1,839
Income taxes	(143)	(9)	(479)	(434)
Income from continuing operations	270	698	1,075	1,405
Income from discontinued operations, net of tax	14	8	27	20
Net income	284	706	1,102	1,425
Net (income) loss attributable to noncontrolling interests	(5)	0	(5)	0
Net income attributable to Baker Hughes	279	706	1,097	1,425
Amounts attributable to Baker Hughes:
Income from continuing operations	265	698	1,070	1,405
Income from discontinued operations	$ 14	$ 8	$ 27	$ 20
Basic earnings per share:
Income from continuing operations	$ 0.60	$ 1.60	$ 2.43	$ 3.22
Income from discontinued operations	$ 0.03	$ 0.02	$ 0.06	$ 0.05
Basic earnings per share attributable to Baker Hughes	$ 0.63	$ 1.62	$ 2.49	$ 3.27
Diluted earnings per share:
Income from continuing operations	$ 0.60	$ 1.59	$ 2.43	$ 3.21
Income from discontinued operations	$ 0.03	$ 0.02	$ 0.06	$ 0.04
Diluted earnings per share attributable to Baker Hughes	$ 0.63	$ 1.61	$ 2.49	$ 3.25
Cash dividends per share	$ 0.15	$ 0.15	$ 0.45	$ 0.45