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Supplementary Information - Additional Information (Detail) - USD ($) $ in Billions	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting [Abstract]
Revenue in excess of billings	$ 0.2	$ 0.2

X

- Definition

Contract with customer liability revenue in excess of billings.

+ References

No definition available.

+ Details

Name:	slb_ContractWithCustomerLiabilityRevenueInExcessOfBillings
Namespace Prefix:	slb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration