Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue:
Revenue		$ 5,550	$ 6,172	$ 17,217	$ 18,059
Operating costs and expenses:
Impairments and other charges	[1]	0	0	308	265
General and administrative		53	72	168	195
Total operating costs and expenses		5,014	5,456	16,013	16,200
Operating income		536	716	1,204	1,859
Interest expense, net of interest income		(141)	(140)	(428)	(417)
Other, net		(23)	(42)	(61)	(86)
Income (loss) from continuing operations before income taxes		372	534	715	1,356
Income tax (provision) benefit		(76)	(100)	(190)	(367)
Net income (loss)		296	434	525	989
Net (income) loss attributable to noncontrolling interest		(1)	1	(3)	3
Net income (loss) attributable to company		$ 295	$ 435	$ 522	$ 992
Basic and diluted net income per share		$ 0.34	$ 0.50	$ 0.60	$ 1.13
Basic weighted average common shares outstanding (in shares)		876	877	874	876
Diluted weighted average common shares outstanding (in shares)		876	878	875	879
Services [Member]
Revenue:
Revenue		$ 4,207	$ 4,800	$ 13,118	$ 13,996
Operating costs and expenses:
Cost of services and sales		3,860	4,280	12,220	12,508
Product sales [Member]
Revenue:
Revenue		1,343	1,372	4,099	4,063
Operating costs and expenses:
Cost of services and sales		$ 1,101	$ 1,104	$ 3,317	$ 3,232

[1] For the nine months ended September 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 nine months ended September 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 September 30, 2019 or 2018.