XML 74 R46.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary of Accounting Policies - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) Country | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Total backlog | $ | $ 2,700 |  |
Percentage of revenue expected to be recognized over next 12 months | 50.00% |  |
Amortization expenses of capitalized investments | $ | $ 568 | $ 465 | $ 449
Number of countries in which Schlumberger conducts business | Country | 85 |  |
Number of reportable segments accounted for greater than 10% of accounts receivable | Country | 0 |  |
United States | Customer Concentration Risk |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Concentration risk, percentage | 22.00% |  |
Minimum |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Revenue recognition period | 30 days |  |
Number of countries in which Schlumberger conducts business | Country | 85 |  |
Maximum |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Revenue recognition period | 60 days |  |
Schlumberger Production Management |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Unamortized investments | $ | $ 4,201 | $ 4,065 |
Schlumberger Production Management | Revenue | Maximum |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Concentration risk, percentage | 5.00% | 5.00% | 5.00%

X
- Definition Amortization expenses of capitalized investments. + References No definition available. + Details
Name: | slb_AmortizationExpensesOfCapitalizedInvestments
Namespace Prefix: | slb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Organization and summary of significant accounting policies. + References No definition available. + Details
Name: | slb_OrganizationAndSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | slb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of deferred revenue expected to be recognized within one year. + References No definition available. + Details
Name: | slb_PercentageOfDeferredRevenueExpectedToBeRecognizedWithinOneYear
Namespace Prefix: | slb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue recognition, period of recognition. + References No definition available. + Details
Name: | slb_RevenueRecognitionPeriodOfRecognition
Namespace Prefix: | slb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unamortized investments. + References No definition available. + Details
Name: | slb_UnamortizedInvestments
Namespace Prefix: | slb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References No definition available. + Details
Name: | us-gaap_DeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=slb_SchlumbergerProductionManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |