XML 98 R60.htm IDEA: XBRL DOCUMENT v2.4.1.9
Long-term Debt and Debt Facility Agreements - Long-term Debt (Parenthetical) (Detail) (EUR €)
In Billions, unless otherwise specified
12 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2010
Dec. 31, 2013
3.30% Senior Notes due 2021        
Debt Instrument [Line Items]        
Debt instrument interest rate 3.30%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_ThreePointThreeZeroPercentSeniorNotesDueTwoThousandTwentyOneMember
3.30%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_ThreePointThreeZeroPercentSeniorNotesDueTwoThousandTwentyOneMember
  3.30%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_ThreePointThreeZeroPercentSeniorNotesDueTwoThousandTwentyOneMember
Debt instrument maturity date 2021 2021    
3.65% Senior Notes due 2023        
Debt Instrument [Line Items]        
Debt instrument interest rate 3.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_ThreePointSixFivePercentSeniorNotesDueTwoThousandTwentyThreeMember
3.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_ThreePointSixFivePercentSeniorNotesDueTwoThousandTwentyThreeMember
  3.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_ThreePointSixFivePercentSeniorNotesDueTwoThousandTwentyThreeMember
Debt instrument maturity date 2023 2023    
2.75% Guaranteed Notes due 2015        
Debt Instrument [Line Items]        
Debt instrument interest rate 2.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember
2.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember
2.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember
2.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember
Debt instrument maturity date 2015 2015 2015  
Long-term debt, carrying amount     € 1.0us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember
 
Effective interest rate on euro denominated debt   2.56%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember
  2.56%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember
1.95% Senior Notes due 2016        
Debt Instrument [Line Items]        
Debt instrument interest rate 1.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_OnePointNineFivePercentSeniorNotesDueTwoThousandSixteenMember
1.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_OnePointNineFivePercentSeniorNotesDueTwoThousandSixteenMember
  1.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_OnePointNineFivePercentSeniorNotesDueTwoThousandSixteenMember
Debt instrument maturity date 2016 2016    
4.20% Senior Notes due 2021        
Debt Instrument [Line Items]        
Debt instrument interest rate 4.20%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesFourPointTwoZeroPercentDueTwoThousandTwentyOneMember
4.20%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesFourPointTwoZeroPercentDueTwoThousandTwentyOneMember
  4.20%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesFourPointTwoZeroPercentDueTwoThousandTwentyOneMember
Debt instrument maturity date 2021 2021    
1.25% Senior Notes due 2017        
Debt Instrument [Line Items]        
Debt instrument interest rate 1.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesOnePointTwoFivePercentDueTwoThousandAndSeventeenMember
1.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesOnePointTwoFivePercentDueTwoThousandAndSeventeenMember
  1.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesOnePointTwoFivePercentDueTwoThousandAndSeventeenMember
Debt instrument maturity date 2017 2017    
2.40% Senior Notes due 2022        
Debt Instrument [Line Items]        
Debt instrument interest rate 2.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesTwoPointFourZeroPercentDueTwoThousandAndTwentyTwoMember
2.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesTwoPointFourZeroPercentDueTwoThousandAndTwentyTwoMember
  2.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesTwoPointFourZeroPercentDueTwoThousandAndTwentyTwoMember
Debt instrument maturity date 2022 2022    
1.50% Guaranteed Notes due 2019        
Debt Instrument [Line Items]        
Debt instrument interest rate 1.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
1.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
  1.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
Debt instrument maturity date 2019 2019   2019
Guaranteed notes face amount   0.5us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
  0.5us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
Long-term debt, carrying amount   0.5us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
  0.5us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
Senior note floating interest rate three-month LIBOR plus approximately 64 basis points.      
1.50% Guaranteed Notes due 2019 | London Interbank Offered Rate (LIBOR)        
Debt Instrument [Line Items]        
Basis points       0.64%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
2.65% Senior Notes due 2016        
Debt Instrument [Line Items]        
Debt instrument interest rate 2.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesTwoPointSixFivePercentDueTwoThousandSixteenMember
2.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesTwoPointSixFivePercentDueTwoThousandSixteenMember
  2.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesTwoPointSixFivePercentDueTwoThousandSixteenMember
Debt instrument maturity date 2016 2016    
Effective interest rate on euro denominated debt 2.39%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= slb_SeniorNotesTwoPointSixFivePercentDueTwoThousandSixteenMember
     
Euro Medium Term Note Program
       
Debt Instrument [Line Items]        
Guaranteed notes face amount 5.0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= slb_EuroMediumTermNoteProgramMember