Basis of Presentation - Additional Information (Detail) $ in Billions	Feb. 29, 2016 USD ($)
ASU No. 2016-02
Organization And Summary Of Significant Accounting Policies [Line Items]
New accounting pronouncement or change in accounting principle effect of additional assets and liabilities	$ 1.3

New accounting pronouncement or change in accounting principle effect of additional assets and liabilities.

No definition available.

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