Percentage of derivative contracts of oil price.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

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Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

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No definition available.

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Gain (loss) incurred in hedging activities.

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The number of countries in which the entity operates as of balance sheet date.

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Derivative Instruments and Hedging Activities - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($) Country	Dec. 31, 2020 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2019 EUR (€)
Derivative [Line Items]
Number of countries in which Schlumberger generates revenue \| Country			120
Denominated debt issued				$ 500,000,000		€ 1,500,000,000
Percentage of derivative contracts of oil price	75.00%	75.00%
Amount recognized relating to hedging activity \| $			$ 71,000,000
Fair value of outstanding derivatives \| $		$ 0	$ 0
0.00% Notes due 2024
Derivative [Line Items]
Notes, face amount						€ 500,000,000
Derivative swap interest rate						0.00%
Promissory note interest rate		0.00%	0.00%
0.25% Notes due 2027
Derivative [Line Items]
Notes, face amount					€ 400,000,000	€ 500,000,000
Derivative swap interest rate				0.25%	0.25%	0.25%
Promissory note interest rate		0.25%	0.25%
0.50% Notes due 2031
Derivative [Line Items]
Notes, face amount					€ 400,000,000	€ 500,000,000
Derivative swap interest rate				0.50%	0.50%	0.50%
Promissory note interest rate		0.50%	0.50%
Euro-denominated Notes
Derivative [Line Items]
Denominated debt issued					€ 800,000,000
Euro-denominated Guaranteed Notes
Derivative [Line Items]
Denominated debt issued					2,000,000,000.0
1.375% Guaranteed Notes due 2026
Derivative [Line Items]
Notes, face amount					€ 1,000,000,000.0
Derivative swap interest rate				1.375%	1.375%
2.00% Guaranteed Notes due 2032
Derivative [Line Items]
Notes, face amount					€ 1,000,000,000.0
Derivative swap interest rate				2.00%	2.00%
1.40% Senior Notes due 2025
Derivative [Line Items]
Notes, face amount \| $				$ 500,000,000
Derivative swap interest rate				1.40%	1.40%
Promissory note interest rate		1.40%	1.40%
Other Assets
Derivative [Line Items]
Derivative assets \| $			$ 5,000,000
Cross currency swaps
Derivative [Line Items]
Notional amount of interest rate swap				$ 500,000,000		€ 1,500,000,000
Cross currency swaps \| 0.00% Notes due 2024
Derivative [Line Items]
Promissory note interest rate						2.29%
Cross currency swaps \| 0.25% Notes due 2027
Derivative [Line Items]
Promissory note interest rate				1.87%	1.87%	2.51%
Cross currency swaps \| 0.50% Notes due 2031
Derivative [Line Items]
Promissory note interest rate				2.20%	2.20%	2.76%
Cross currency swaps \| Euro-denominated Notes
Derivative [Line Items]
Notional amount of interest rate swap					€ 800,000,000
Cross currency swaps \| Euro-denominated Guaranteed Notes
Derivative [Line Items]
Notional amount of interest rate swap					€ 2,000,000,000.0
Cross currency swaps \| 1.375% Guaranteed Notes due 2026
Derivative [Line Items]
Promissory note interest rate				2.77%	2.77%
Cross currency swaps \| 2.00% Guaranteed Notes due 2032
Derivative [Line Items]
Promissory note interest rate				3.49%	3.49%
Cross currency swaps \| 1.40% Senior Notes due 2025
Derivative [Line Items]
Promissory note interest rate				1.73%	1.73%
Cross currency swaps \| Other Assets
Derivative [Line Items]
Derivative assets \| $		$ 66,000,000
Cross currency swaps \| Other Liabilities
Derivative [Line Items]
Derivative liability \| $		$ 78,000,000	266,000,000
Foreign exchange contracts
Derivative [Line Items]
Notional amount of interest rate swap \| $			7,300,000,000
Foreign exchange contracts \| Debt \| Derivatives designated as hedges
Derivative [Line Items]
Notional amount of interest rate swap \| $			$ 5,700,000,000