Derivative Instruments and Hedging Activities - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Dec. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2017 USD ($) Country	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2017	Dec. 31, 2013 EUR (€)
Derivative [Line Items]
Denominated debt issued			$ 1,100,000,000
Promissory note interest rate						6.50%
Fixed rate debt aggregate, after taking into account the effects of the interest rate swaps			13,600,000,000
Variable rate debt aggregate, after taking into account the effects of the interest rate swaps			4,600,000,000
Short-term investments			$ 3,300,000,000
Number of countries in which Schlumberger conducts business | Country			85
Percentage of revenue denominated in domestic currency			78.00%
Recognized a cumulative net gain in Accumulated other comprehensive loss relating to revaluation of foreign currency forward contracts and foreign currency options designated as cash flow hedges			$ 3,000,000
Transaction losses of hedging activities			57,000,000	$ 93,000,000	$ 76,000,000
Restructuring and other charges			3,764,000,000	3,820,000,000	2,575,000,000
Fair value of outstanding derivatives	$ 0		$ 0	0
Currency Devaluation Losses In Egypt
Derivative [Line Items]
Restructuring and other charges	$ 63,000,000			$ 63,000,000
Currency Devaluation Losses In Venezuela
Derivative [Line Items]
Restructuring and other charges		$ 49,000,000			$ 49,000,000
1.50% Guaranteed Notes due 2019
Derivative [Line Items]
Notes, face amount | €							€ 500,000,000
Denominated debt issued | €							€ 500,000,000
Promissory note interest rate	1.50%		1.50%	1.50%			1.50%
2.20% Senior Notes due 2020
Derivative [Line Items]
Notes, face amount			$ 500,000,000
Derivative swap interest rate			2.20%
Promissory note interest rate			2.20%
2.65% Senior Notes due 2022
Derivative [Line Items]
Notes, face amount			$ 600,000,000
Derivative swap interest rate			2.65%
Promissory note interest rate			2.65%
Cross currency swap
Derivative [Line Items]
Notional amount of interest rate swap			$ 1,100,000,000				€ 500,000,000
Cross currency swap | 2.20% Senior Notes due 2020
Derivative [Line Items]
Promissory note interest rate			1.97%
Cross currency swap | 2.65% Senior Notes due 2022
Derivative [Line Items]
Promissory note interest rate			2.52%
Fixed Rate Debt | 1.50% Guaranteed Notes due 2019
Derivative [Line Items]
Derivative swap interest rate							1.50%
Floating Rate Debt | 1.50% Guaranteed Notes due 2019
Derivative [Line Items]
Floating interest rate on securities			three-month LIBOR plus approximately 64 basis points
Foreign exchange contracts
Derivative [Line Items]
Notional amount of interest rate swap			$ 5,000,000,000
Foreign exchange contracts | Debt | Derivatives designated as hedges
Derivative [Line Items]
Notional amount of interest rate swap			$ 1,800,000,000
London Interbank Offered Rate (LIBOR) | Floating Rate Debt | 1.50% Guaranteed Notes due 2019
Derivative [Line Items]
Basis point			0.64%