Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue:
Revenue		$ 5,930	$ 6,147	$ 11,667	$ 11,887
Operating costs and expenses:
Impairments and other charges	[1]	247	0	308	265
General and administrative		56	65	115	123
Total operating costs and expenses		5,627	5,358	10,999	10,744
Operating income		303	789	668	1,143
Interest expense, net of interest income		(144)	(137)	(287)	(277)
Other, net		(8)	(19)	(38)	(44)
Income (loss) from continuing operations before income taxes		151	633	343	822
Income tax (provision) benefit		(74)	(125)	(114)	(267)
Net income (loss)		77	508	229	555
Net (income) loss attributable to noncontrolling interest		(2)	3	(2)	2
Net income (loss) attributable to company		$ 75	$ 511	$ 227	$ 557
Basic net income (loss) per share		$ 0.09	$ 0.58	$ 0.26	$ 0.64
Diluted net income (loss) per share		$ 0.09	$ 0.58	$ 0.26	$ 0.63
Basic weighted average common shares outstanding (in shares)		874	877	874	876
Diluted weighted average common shares outstanding (in shares)		875	880	874	879
Services [Member]
Revenue:
Revenue		$ 4,559	$ 4,808	$ 8,911	$ 9,196
Operating costs and expenses:
Cost of services and sales		4,204	4,221	8,360	8,228
Product sales [Member]
Revenue:
Revenue		1,371	1,339	2,756	2,691
Operating costs and expenses:
Cost of services and sales		$ 1,120	$ 1,072	$ 2,216	$ 2,128

[1] 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, 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. During the six months ended June 30, 2018, we recognized a pre-tax charge of $265 million related to a write-down of all of our remaining investment in Venezuela. See Note 2 for further discussion on these impairments and other charges. There were no such impairments and other charges recorded during the three months ended June 30, 2018.