| Document and Entity Information | Oct. 16, 2020 |
| Cover [Abstract] | |
| Entity Registrant Name | SCHLUMBERGER LIMITED/NV |
| Entity Incorporation State Country Code | P8 |
| Entity Address, State or Province | TX |
| Amendment Flag | false |
| Entity Central Index Key | 0000087347 |
| Document Type | 8-K |
| Document Period End Date | Oct. 16, 2020 |
| 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, Country | US |
| Entity Address, Postal Zip Code | 77056 |
| City Area Code | (713) |
| Local Phone Number | 513-2000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | common stock, par value $0.01 per share |
| Trading Symbol | SLB |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
