Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue:
Services	$ 11,140	$ 16,981	$ 24,535
Product sales	4,747	6,652	8,335
Total revenue	15,887	23,633	32,870
Operating costs and expenses:
Cost of services	11,253	16,014	20,855
Cost of sales	3,770	5,099	6,479
Baker Hughes related costs and termination fee	4,057	308	17
Impairments and other charges	3,357	2,177	129
General and administrative	228	200	293
Total operating costs and expenses	22,665	23,798	27,773
Operating income (loss)	(6,778)	(165)	5,097
Interest expense, net of interest income of $59, $16, and $13	(639)	(447)	(383)
Other, net	(208)	(324)	(2)
Income (loss) from continuing operations before income taxes	(7,625)	(936)	4,712
Income tax benefit (provision)	1,858	274	(1,275)
Income (loss) from continuing operations	(5,767)	(662)	3,437
Income (loss) from discontinued operations, net	(2)	(5)	64
Net income (loss)	(5,769)	(667)	3,501
Net (income) loss attributable to noncontrolling interest	6	(4)	(1)
Net income (loss) attributable to company	(5,763)	(671)	3,500
Amounts attributable to company shareholders:
Income (loss) from continuing operations	(5,761)	(666)	3,436
Income (loss) from discontinued operations, net	(2)	(5)	64
Net income (loss) attributable to company	$ (5,763)	$ (671)	$ 3,500
Basic income per share attributable to company shareholders:
Income (loss) from continuing operations (in dollars per share)	$ (6.69)	$ (0.78)	$ 4.05
Income (loss) from discontinued operations, net (in dollars per share)	0.00	(0.01)	0.08
Net income (loss) per share (in dollars per share)	(6.69)	(0.79)	4.13
Diluted income per share attributable to company shareholders:
Income (loss) from continuing operations (in dollars per share)	(6.69)	(0.78)	4.03
Income (loss) from discontinued operations, net (in dollars per share)	0.00	(0.01)	0.08
Net income (loss) per share (in dollars per share)	$ (6.69)	$ (0.79)	$ 4.11
Basic weighted average common shares outstanding (in shares)	861	853	848
Diluted weighted average common shares outstanding (in shares)	861	853	852