Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2020		Jun. 30, 2019		Jun. 30, 2020	Jun. 30, 2019
Revenue:
Revenue	$ 3,196		$ 5,930		$ 8,233	$ 11,667
Operating costs and expenses:
Impairments and other charges	2,147	[1]	247	[1]	3,220	308
General and administrative	43		56		97	115
Total operating costs and expenses	5,107		5,627		10,715	10,999
Operating income	(1,911)		303		(2,482)	668
Interest expense, net of interest income	(124)		(144)		(258)	(287)
Interest income	7		4		17	12
Loss on early extinguishment of debt	0	[2]	0		(168)	0
Other, net	(48)		(8)		(71)	(38)
Income (loss) from continuing operations before income taxes	(2,083)		151		(2,979)	343
Income tax (provision) benefit	402		(74)		283	(114)
Net income (loss)	(1,681)		77		(2,696)	229
Net (income) loss attributable to noncontrolling interest	5		(2)		3	(2)
Net income (loss) attributable to company	$ (1,676)		$ 75		$ (2,693)	$ 227
Basic and diluted net income per share	$ (1.91)		$ 0.09		$ (3.07)	$ 0.26
Weighted Average Number of Shares Outstanding, Basic	877		874		877	874
Weighted Average Number of Shares Outstanding, Diluted	877		875		877	874
Services [Member]
Revenue:
Revenue	$ 2,188		$ 4,559		$ 5,872	$ 8,911
Operating costs and expenses:
Cost of services and sales	2,097		4,204		5,490	8,360
Product sales [Member]
Revenue:
Revenue	1,008		1,371		2,361	2,756
Operating costs and expenses:
Cost of services and sales	$ 820		$ 1,120		$ 1,908	$ 2,216

[1] For the three months ended June 30, 2020, amount includes approximately $1.4 billion attributable to Completion and Production, $770 million attributable to Drilling and Evaluation, and $25 million attributable to Corporate and other. For the three months ended June 30, 2019, amount includes $77 million attributable to Completion and Production, $142 million attributable to Drilling and Evaluation, and $28 million attributable to Corporate and other. For the six months ended June 30, 2020, amount includes $2.1 billion attributable to Completion and Production, $1.0 billion attributable to Drilling and Evaluation, and $41 million attributable to Corporate and other. For the six months ended June 30, 2019, amount includes $127 million attributable to Completion and Production, $153 million attributable to Drilling and Evaluation, and $28 million attributable to Corporate and other. See Note 2 for further discussion on these impairments and other charges.

[2] For the six months ended June 30, 2020, amount includes a $168 million loss on extinguishment of debt related to the early repurchase of senior notes. See Note 6 for further discussion on this charge.