Document and Entity Information	6 Months Ended
	Jun. 30, 2019 shares
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Trading Symbol	SLB
Entity Registrant Name	SCHLUMBERGER LIMITED/NV
Entity Central Index Key	0000087347
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	1,383,005,073
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity File Number	1-4601
Entity Tax Identification Number	52-0684746
Entity Address, Address Line One	5599 SAN FELIPE
Entity Address, City or Town	HOUSTON
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77056
City Area Code	713
Local Phone Number	513-2000
Entity Interactive Data Current	Yes
Title of 12(b) Security	common stock, par value $0.01 per share
Security Exchange Name	NYSE
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	P8