Consolidated Statements of Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2013
Revenue:
Sales	$ 5,649		$ 8,056	$ 7,594
Services	10,093		16,495	14,770
Total revenue	15,742		24,551	22,364
Costs and expenses:
Cost of sales	4,863		6,294	5,932
Cost of services	9,639		13,452	12,621
Research and engineering	483		613	556
Marketing, general and administrative	1,173		1,271	1,306
Impairment and Restructuring Charges	1,993	[1]	0	0
Litigation settlements	(13)		62	0
Total costs and expenses	18,138		21,692	20,415
Operating (loss) income	(2,396)		2,859	1,949
Interest expense, net	(217)		(232)	(234)
(Loss) income before income taxes	(2,613)		2,627	1,715
Income taxes	639		(896)	(612)
Net (loss) income	(1,974)		1,731	1,103
Net loss (income) attributable to noncontrolling interests	7		(12)	(7)
Net (loss) income attributable to Baker Hughes	$ (1,967)		$ 1,719	$ 1,096
Earnings Per Share
Basic (loss) earnings per share attributable to Baker Hughes (in US$ per share)	$ (4.49)		$ 3.93	$ 2.47
Diluted (loss) earnings per share attributable to Baker Hughes (in US$ per share)	$ (4.49)		$ 3.92	$ 2.47

[1] Impairment and restructuring charges associated with asset impairments, workforce reductions, facility closures and contract terminations recorded during 2015. See Note 3. "Impairment and Restructuring Charges" for further discussion.