Impairment and Other Charges (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Long-lived asset impairments			$ 100		$ 0		$ 2,629
Inventory costs and write-downs			70		0		505
Severance			0		15		384
Other			(6)		35		281
Total impairments and other charges	$ 344	$ 22	366	[1]	12	[1]	3,799	[1]
Impairment of real estate properties							616
Impairment of drilling-services equipment							297
Impairment of hydraulic fracturing equipment							1,000
Impairment of intangible assets							131
Impairment of right-of-use assets associated with operating leases							191
Impairment of other fixed assets							394
Restructuring and Related Cost, Accelerated Depreciation			0		36		0
Right-of-Use Assets Obtained in Exchange for Operating Lease Liability			249	[2]	433		447
Income (loss) before income taxes			2,110		1,252		(3,220)
Impairments and other charges			366		12		3,799
Impairment of hydraulic fracturing equipment							1,000
Impairment of right-of-use assets associated with operating leases							191
Impairment of intangible assets							131
Impairment of other fixed assets							394
Structured Real Estate Transaction
Restructuring Cost and Reserve [Line Items]
Sale and Leaseback Transaction, Gain (Loss), Net			0		(74)		0
Disposal Group, Including Discontinued Operation, Assets, Current					358
Real Estate Investments, Unconsolidated Real Estate and Other Joint Ventures					349
Right-of-Use Assets Obtained in Exchange for Operating Lease Liability					276
Increase (Decrease) in Operating Lease Liability					276
Proceeds from Sale of Real Estate Held-for-investment			0		87		0
Completion and Production
Restructuring Cost and Reserve [Line Items]
Total impairments and other charges	131		136		42		2,400
Drilling and Evaluation
Restructuring Cost and Reserve [Line Items]
Total impairments and other charges	$ 178		195		9		1,400
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Total impairments and other charges			$ 35		$ (39)		$ 62
UNITED STATES | Revenue Benchmark [Member] | Geographic Concentration Risk
Restructuring Cost and Reserve [Line Items]
Concentration Risk, Percentage			45.00%		40.00%		38.00%
UNITED STATES | Accounts Receivable | Geographic Concentration Risk
Restructuring Cost and Reserve [Line Items]
Concentration Risk, Percentage			38.00%		34.00%
Russia/Ukraine
Restructuring Cost and Reserve [Line Items]
Write-down of A/R in Russia & Ukraine			$ 202		$ 0		$ 0
UKRAINE
Restructuring Cost and Reserve [Line Items]
Write-down of A/R in Ukraine			$ 16
MEXICO | Accounts Receivable | Geographic Concentration Risk
Restructuring Cost and Reserve [Line Items]
Concentration Risk, Percentage			11.00%		11.00%
MEXICO | Accounts Receivable | Customer Concentration Risk
Restructuring Cost and Reserve [Line Items]
Concentration Risk, Percentage			9.00%		10.00%

[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.

[2]