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Charges and Credits - Additional Information (Detail) shares in Millions, $ in Millions			1 Months Ended	3 Months Ended								12 Months Ended
	Oct. 01, 2019 USD ($)	Aug. 31, 2019 USD ($) Unit	Nov. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) shares	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($) Emp	Mar. 31, 2020 USD ($) Unit	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Charges And Credits [Line Items]
Unrealized gain on investments pretax					$ 47.0
Investments, fair value					$ 55.0
Gains on sales of businesses													$ 104.0	$ 247.0
Charges and credits										$ 12,191.0
Total number of reporting units \| Unit		17							11
Goodwill									$ 16,000.0
Goodwill impairment charge									$ 3,100.0
Goodwill		$ 25,000.0		$ 12,990.0		$ 12,980.0	$ 12,968.0			16,042.0		$ 12,990.0	12,980.0	16,042.0
Expected increase/decrease in discount rate assumption									50.00%
Number of reporting units fair value to be impacted \| Unit									7
Intangible assets		1,085.0							$ 3,300.0
Debt instrument premium paid on repurchase								$ 40.0
Impact of curtailment													(69.0)
Restructuring Charges										104.0
Expected increase in discount rate assumption											0.50%
Increase in goodwill impairment charge											$ 300.0
Expected decrease in discount rate assumption											0.50%
Decrease in goodwill impairment charge											$ 400.0
Benefits Paid														257.0
Non-cash settlement charge										37.0				$ 37.0
Debt instrument, charges				$ 22.0								22.0
Rockwell Automation
Charges And Credits [Line Items]
Percentage of equity ownership interest	53.00%
Schlumberger
Charges And Credits [Line Items]
Percentage of equity ownership interest	47.00%
Cash received	$ 238.0
Gain of deconsolidation in formation of joint venture										247.0
Postretirement medical plan
Charges And Credits [Line Items]
Impact of curtailment								69.0					69.0
Benefits Paid												$ 63.0	58.0
North America
Charges And Credits [Line Items]
Intangible assets		243.0
Carrying Value Of Impaired Intangible Asset
Charges And Credits [Line Items]
Intangible assets									900.0
Carrying Value Of Impaired Intangible Asset \| North America
Charges And Credits [Line Items]
Intangible assets									1,300.0
North America pressure pumping asset impairments \| North America
Charges And Credits [Line Items]
Intangible assets		1,575.0							600.0
Severance
Charges And Credits [Line Items]
Intangible assets		13.0							202.0		62.0
Restructuring Charges										68.0
Severance \| North America
Charges And Credits [Line Items]
Intangible assets		10.0
Severance \| Argentina
Charges And Credits [Line Items]
Intangible assets											29.0
Other Restructuring
Charges And Credits [Line Items]
Intangible assets									79.0		45.0
Valuation allowance \| North America
Charges And Credits [Line Items]
Intangible assets									164.0
Workforce reductions
Charges And Credits [Line Items]
Intangible assets								$ 1,021.0
Reduction in workforce \| Emp								21,000
Restructuring Charges							63.0
Asset Performance Solutions Investments \| Latin America
Charges And Credits [Line Items]
Intangible assets								$ 730.0
Fixed Asset Impairment
Charges And Credits [Line Items]
Intangible assets								666.0
Fixed Asset Impairment \| North America
Charges And Credits [Line Items]
Intangible assets		230.0
Inventory Write Down
Charges And Credits [Line Items]
Intangible assets								603.0
Inventory Write Down \| North America
Charges And Credits [Line Items]
Intangible assets		70.0
Right Of Use Asset Impairments
Charges And Credits [Line Items]
Intangible assets								311.0
Costs Associated With Exiting Certain Activities1
Charges And Credits [Line Items]
Intangible assets								205.0
Multiclient Seismic Data Impairment
Charges And Credits [Line Items]
Intangible assets								156.0
Other
Charges And Credits [Line Items]
Intangible assets								60.0
Restructuring Charges							33.0
Allowance For Doubtful Accounts
Charges And Credits [Line Items]
Intangible assets								$ 42.0
Facility exit charges
Charges And Credits [Line Items]
Restructuring Charges							$ 254.0
Charges of Pressure Pumping Equipment
Charges And Credits [Line Items]
Intangible assets		1,324.0
Operating Lease Right-of-use Asset
Charges And Credits [Line Items]
Intangible assets		98.0
Operating Lease Right-of-use Asset \| North America
Charges And Credits [Line Items]
Restructuring Charges										55.0
Supplies Expense
Charges And Credits [Line Items]
Intangible assets		121.0
Inventory Charges
Charges And Credits [Line Items]
Intangible assets		19.0
Charges Related to Other Businesses \| North America
Charges And Credits [Line Items]
Intangible assets		310.0
Production Related Impairment or Charges \| Argentina
Charges And Credits [Line Items]
Intangible assets											127.0
Asset Impairment Charges \| Argentina
Charges And Credits [Line Items]
Intangible assets											72.0
Devaluation Charge \| Argentina
Charges And Credits [Line Items]
Intangible assets											26.0
Equity Method Investment, Other Than Temporary Impairment
Charges And Credits [Line Items]
Intangible assets											231.0
Carrying Value of Asset Production Solutions
Charges And Credits [Line Items]
Intangible assets											294.0
Restructuring Charges
Charges And Credits [Line Items]
Intangible assets											242.0
Acceleration of Stock-based Compensation Expense Associated With Certain Individuals
Charges And Credits [Line Items]
Intangible assets											57.0
Business Divestiture Costs
Charges And Credits [Line Items]
Intangible assets											49.0
Debt Instrument Premium Paid on Repurchase
Charges And Credits [Line Items]
Intangible assets											$ 29.0
Facility and other exit costs \| North America
Charges And Credits [Line Items]
Restructuring Charges										225.0
Write Down Of Assets \| North America
Charges And Credits [Line Items]
Restructuring Charges										123.0
Other Exit Costs \| North America
Charges And Credits [Line Items]
Restructuring Charges										47.0
Sale Of Assets
Charges And Credits [Line Items]
Restructuring Charges										68.0
Facility Closure Costs
Charges And Credits [Line Items]
Restructuring Charges										$ 36.0
Cameron
Charges And Credits [Line Items]
Intangible assets									2,200.0
Smith International Inc Smith Aand Geoservices
Charges And Credits [Line Items]
Intangible assets		$ 842.0							$ 1,100.0
Minimum
Charges And Credits [Line Items]
Discount rate utilized									12.00%		12.50%
Maximum
Charges And Credits [Line Items]
Discount rate utilized									13.50%		14.00%
Expected percentage change in fair value of reporting units									5.00%
Seven Reporting Units
Charges And Credits [Line Items]
Total number of reporting units \| Unit		7							7
Goodwill									$ 11,500.0
Goodwill		$ 13,800.0
Ten Reporting Units
Charges And Credits [Line Items]
Total number of reporting units \| Unit									4
Goodwill									$ 4,500.0
Six Reporting Units
Charges And Credits [Line Items]
Total number of reporting units \| Unit									6
Goodwill									$ 8.4
Six Reporting Units \| Minimum
Charges And Credits [Line Items]
Goodwill									200.0
Six Reporting Units \| Maximum
Charges And Credits [Line Items]
Goodwill									$ 5,000.0
Ten Reporting Units
Charges And Credits [Line Items]
Total number of reporting units \| Unit		10
Goodwill		$ 11,200.0
Nine Reporting Units
Charges And Credits [Line Items]
Total number of reporting units \| Unit		9
Goodwill impairment charge		$ 8,800.0
2.40% Senior Notes due 2022
Charges And Credits [Line Items]
Deposit in trustee			$ 1,000.0
Debt instrument interest rate			2.40%
Debt instrument maturity date			2022
Charges and credits			$ 10.0
4.20% Senior Notes due 2021
Charges And Credits [Line Items]
Debt instrument interest rate								4.20%
Debt instrument maturity date								2021
Debt instrument, repurchase amount								$ 600.0
3.30% Senior Notes due 2021
Charges And Credits [Line Items]
Debt instrument interest rate								3.30%
Debt instrument maturity date								2021
Debt instrument, repurchase amount								$ 935.0
3.00% Senior Notes Due 2020
Charges And Credits [Line Items]
Debt instrument interest rate				3.00%								3.00%
Debt instrument maturity date				2020
Notes, face amount				$ 416.0								$ 416.0
4.50% Senior Notes Due 2021
Charges And Credits [Line Items]
Debt instrument interest rate				4.50%								4.50%
Debt instrument maturity date				2021
Notes, face amount				$ 126.0								$ 126.0
4.20% Senior Notes Due 2021
Charges And Credits [Line Items]
Debt instrument interest rate				4.20%								4.20%
Debt instrument maturity date				2021
Notes, face amount				$ 500.0								$ 500.0
3.60% Senior Notes Due 2022
Charges And Credits [Line Items]
Debt instrument interest rate				3.60%								3.60%
Debt instrument maturity date				2022
Notes, face amount				$ 106.0								$ 106.0
Liberty Oilfield Services Inc.
Charges And Credits [Line Items]
Investments, fair value				$ 550.0		$ 43.0						$ 550.0	$ 43.0
Percentage of equity ownership interest				31.00%		37.00%						31.00%	37.00%
Shares issued \| shares				9.5
Proceeds from sale of shares				$ 109.0
Gains on sales of businesses				$ 28.0		$ 104.0
Unrealized Gain on Investments						39.0
Disposition						$ 62.0