101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - CONSOLIDATED STATEMENT OF INCOME link:calculationLink link:presentationLink link:definitionLink 104 - Statement - CONSOLIDATED BALANCE SHEET link:calculationLink link:presentationLink link:definitionLink 105 - Statement - CONSOLIDATED BALANCE SHEET (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 106 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS link:calculationLink link:presentationLink link:definitionLink 107 - Statement - CONSOLIDATED STATEMENT OF EQUITY link:calculationLink link:presentationLink link:definitionLink 108 - Statement - CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 109 - Disclosure - Basis of Presentation link:calculationLink link:presentationLink link:definitionLink 110 - Disclosure - Merger with Smith International, Inc. link:calculationLink link:presentationLink link:definitionLink 111 - Disclosure - Charges link:calculationLink link:presentationLink link:definitionLink 112 - Disclosure - Earnings Per Share link:calculationLink link:presentationLink link:definitionLink 113 - Disclosure - Acquisitions link:calculationLink link:presentationLink link:definitionLink 114 - Disclosure - Inventory link:calculationLink link:presentationLink link:definitionLink 115 - Disclosure - Fixed Assets link:calculationLink link:presentationLink link:definitionLink 116 - Disclosure - Multiclient Seismic Data link:calculationLink link:presentationLink link:definitionLink 117 - Disclosure - Goodwill link:calculationLink link:presentationLink link:definitionLink 118 - Disclosure - Intangible Assets link:calculationLink link:presentationLink link:definitionLink 119 - Disclosure - Derivative Instruments and Hedging Activities link:calculationLink link:presentationLink link:definitionLink 120 - Disclosure - Long-term Debt link:calculationLink link:presentationLink link:definitionLink 121 - Disclosure - Income Tax link:calculationLink link:presentationLink link:definitionLink 122 - Disclosure - Contingencies link:calculationLink link:presentationLink link:definitionLink 123 - Disclosure - Segment Information link:calculationLink link:presentationLink link:definitionLink 124 - Disclosure - Pension and Other Postretirement Benefits link:calculationLink link:presentationLink link:definitionLink 125 - Disclosure - Charges (Tables) link:calculationLink link:presentationLink link:definitionLink 126 - Disclosure - Earnings Per Share (Tables) link:calculationLink link:presentationLink link:definitionLink 127 - Disclosure - Acquisitions (Tables) link:calculationLink link:presentationLink link:definitionLink 128 - Disclosure - Inventory (Tables) link:calculationLink link:presentationLink link:definitionLink 129 - Disclosure - Fixed Assets (Tables) link:calculationLink link:presentationLink link:definitionLink 130 - Disclosure - Multiclient Seismic Data (Tables) link:calculationLink link:presentationLink link:definitionLink 131 - Disclosure - Goodwill (Tables) link:calculationLink link:presentationLink link:definitionLink 132 - Disclosure - Intangible Assets (Tables) link:calculationLink link:presentationLink link:definitionLink 133 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:calculationLink link:presentationLink link:definitionLink 134 - Disclosure - Long-term Debt (Tables) link:calculationLink link:presentationLink link:definitionLink 135 - Disclosure - Income Tax (Tables) link:calculationLink link:presentationLink link:definitionLink 136 - Disclosure - Segment Information (Tables) link:calculationLink link:presentationLink link:definitionLink 137 - Disclosure - Pension and Other Postretirement Benefits (Tables) link:calculationLink link:presentationLink link:definitionLink 138 - Disclosure - Merger with Smith International, Inc. - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 139 - Disclosure - Charges - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 140 - Disclosure - Summary of Charges (Detail) link:calculationLink link:presentationLink link:definitionLink 141 - Disclosure - Reconciliation of Earnings Per Share (Detail) link:calculationLink link:presentationLink link:definitionLink 142 - Disclosure - Common Stock Which Was Not Included in the Computation of Diluted Earnings Per Share (Detail) link:calculationLink link:presentationLink link:definitionLink 143 - Disclosure - Acquisitions - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 144 - Disclosure - Purchase Price Allocated to Net Assets Acquired Upon Estimated Fair Values (Detail) link:calculationLink link:presentationLink link:definitionLink 145 - Disclosure - Summary of Inventory (Detail) link:calculationLink link:presentationLink link:definitionLink 146 - Disclosure - Summary of Fixed Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 147 - Disclosure - Depreciation Expense Relating to Fixed Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 148 - Disclosure - Change in the Carrying Amount of Multiclient Seismic Data (Detail) link:calculationLink link:presentationLink link:definitionLink 149 - Disclosure - Changes in the Carrying Amount of Goodwill by Business Segment (Detail) link:calculationLink link:presentationLink link:definitionLink 150 - Disclosure - Gross Book Value and Accumulated Amortization of Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 151 - Disclosure - Amortization Expense Charged to Income (Detail) link:calculationLink link:presentationLink link:definitionLink 152 - Disclosure - Intangible Assets - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 153 - Disclosure - Derivative Instruments and Hedging Activities - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 154 - Disclosure - Fair Values of Outstanding Derivative Instruments (Detail) link:calculationLink link:presentationLink link:definitionLink 155 - Disclosure - Effect of Derivative Instruments Designated as Fair Value Hedges and Not Designated as Hedges on the Consolidated Statement of Income (Detail) link:calculationLink link:presentationLink link:definitionLink 156 - Disclosure - Effect of Derivative Instruments in Cash Flow Hedging Relationships on Income and Other Comprehensive Income (Detail) link:calculationLink link:presentationLink link:definitionLink 157 - Disclosure - Summary of Other Long-Term Debt (Detail) link:calculationLink link:presentationLink link:definitionLink 158 - Disclosure - Long-term Debt - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 159 - Disclosure - Income from Continuing Operations Before Taxes Which Were Subject to US and Non-US Income Taxes (Detail) link:calculationLink link:presentationLink link:definitionLink 160 - Disclosure - Income Tax - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 161 - Disclosure - Components of Net Deferred Tax Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 162 - Disclosure - Components of Consolidated Taxes on Income (Detail) link:calculationLink link:presentationLink link:definitionLink 163 - Disclosure - Reconciliation of the US Statutory Federal Tax Rate to the Consolidated Effective Income Tax Rate (Detail) link:calculationLink link:presentationLink link:definitionLink 164 - Disclosure - Schlumberger Operates Two Business Segments - Oilfield Services and WesternGeco (Detail) link:calculationLink link:presentationLink link:definitionLink 165 - Disclosure - Schlumberger Operates Two Business Segments - Oilfield Services and WesternGeco (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 166 - Disclosure - Net Pension Cost for the Schlumberger Pension Plans (Detail) link:calculationLink link:presentationLink link:definitionLink 167 - Disclosure - Pension and Other Postretirement Benefits - Additional Durational Information (Detail) link:calculationLink link:presentationLink link:definitionLink 168 - Disclosure - Net Periodic Benefit Cost for the Schlumberger US Postretirement Medical Plan (Detail) link:calculationLink link:presentationLink link:definitionLink