Business Segment and Geographic Information (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Baker Hughes Contract Termination Fee			$ 3,500
Revenue:
Revenue		$ 3,833		$ 5,582	$ 11,866	$ 18,551
Operating income (loss):
Operating income (loss)		128		43	(6,831)	(251)
Impairments and other charges	[1]	0		(381)	(3,189)	(1,895)
Interest expense, net of interest income		(141)		(99)	(502)	(311)
Other, net		(39)		(34)	(117)	(281)
Income (loss) from continuing operations before income taxes		(52)		(90)	(7,450)	(843)
Completion and Production
Revenue:
Revenue		2,176		3,200	6,614	10,890
Operating income (loss):
Operating income (loss)		24		163	22	938
Impairments and other charges				(228)	(2,000)	(949)
Drilling and Evaluation
Revenue:
Revenue		1,657		2,382	5,252	7,661
Operating income (loss):
Operating income (loss)		151		401	546	1,107
Impairments and other charges				(138)	(1,100)	(865)
Total operations
Revenue:
Revenue		3,833		5,582	11,866	18,551
Operating income (loss):
Operating income (loss)		175		564	568	2,045
Corporate and other
Operating income (loss):
Operating income (loss)	[2]	$ (47)		(140)	(4,210)	(401)
Impairments and other charges				$ (15)	$ (8)	$ (81)

[1] Impairments and other charges are as follows:-For the three months ended September 30, 2015, includes $228 million attributable to Completion and Production, $138 million attributable to Drilling and Evaluation, and $15 million attributable to Corporate and other. -For the nine months ended September 30, 2016, includes $2.0 billion attributable to Completion and Production, $1.1 billion attributable to Drilling and Evaluation, and $8 million attributable to Corporate and other. -For the nine months ended September 30, 2015, includes $949 million attributable to Completion and Production, $865 million attributable to Drilling and Evaluation, and $81 million attributable to Corporate and other.

[2] Corporate and other includes certain expenses not attributable to a particular business segment such as costs related to support functions and corporate executives and Baker Hughes related costs for all periods presented, including the $3.5 billion termination fee incurred during the second quarter of 2016.