Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Revenue		$ 20,297	$ 15,295	$ 14,445
Operating costs and expenses:
Impairments and other charges	[1]	366	12	3,799
General and administrative		240	204	182
Total operating costs and expenses		17,590	13,495	16,881
Total operating income (loss)		2,707	1,800	(2,436)
Interest expense, net of interest income		(375)	(469)	(505)
Investment Income, Interest		117	60	38
Gain (Loss) on Extinguishment of Debt		(42)	0	(168)
Other, net		(180)	(79)	(111)
Income (loss) before income taxes		2,110	1,252	(3,220)
Income tax benefit (provision)		(515)	216	278
Net income (loss)		1,595	1,468	(2,942)
Net (income) loss attributable to noncontrolling interest		(23)	(11)	(3)
Net income (loss) attributable to company		$ 1,572	$ 1,457	$ (2,945)
Income (Loss) from Continuing Operations, Per Basic Share		$ 1,740,000	$ 1,630,000	$ (3.34)
Amounts attributable to company shareholders:
Net income (loss) attributable to company		$ 1,572	$ 1,457	$ (2,945)
Basic and diluted income (loss) per share attributable to company shareholders:
Diluted weighted average common shares outstanding		908	892	881
Basic weighted average common shares outstanding		904	892	881
Income (loss) from continuing operations (in dollars per share)		$ 1,730,000	$ 1,630,000	$ (3.34)
Services [Member]
Revenue:
Revenue		$ 14,749	$ 10,989	$ 10,203
Operating costs and expenses:
Cost of services and sales		12,381	9,745	9,458
Product sales [Member]
Revenue:
Revenue		5,548	4,306	4,242
Operating costs and expenses:
Cost of services and sales		$ 4,603	$ 3,534	$ 3,442

[1] Impairments and other charges are as follows: -For the year ended December 31, 2022, amount includes approximately $136 million attributable to Completion and Production, $195 million attributable to Drilling and Evaluation, and a $35 million attributable to Corporate and other. -For the year ended December 31, 2021, amount includes approximately $42 million attributable to Completion and Production, $9 million attributable to Drilling and Evaluation, and a $39 million net gain attributable to Corporate and other. -For the year ended December 31, 2020, amount includes approximately $2.4 billion attributable to Completion and Production, $1.4 billion attributable to Drilling and Evaluation, and $62 million attributable to Corporate and other.