No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Fair value adjustment, hedging, carrying amount No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Discounted Stock Purchase Plan Assumptions and Resulting Weighted Average Fair Value. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The changes in the accumulated postretirement benefit obligation, plan assets and funded status. No authoritative reference available. Weighted Average Assumptions. No authoritative reference available. No authoritative reference available. No authoritative reference available. The net cash outflow from capitalized costs directly incurred in acquiring and processing of seismic surveys that are licensed on a nonexclusive basis. No authoritative reference available. Allowance for doubtful accounts. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Intangible Assets, Gross (Excluding Goodwill) No authoritative reference available. No authoritative reference available. No authoritative reference available. Defined Benefit Plan Weighted Average Assumptions Used In Calculating Benefit Obligation. No authoritative reference available. Defined Benefit Plan, Target Allocation Percentage of Assets, Total. No authoritative reference available. Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards Expected To Be Recognized In Year Three. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Defined benefit plan health care cost trend rate current year. No authoritative reference available. Business Acquisition, Purchase Price Allocation Sub-Total No authoritative reference available. Increase (Decrease) in Notes Payable No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Frequency of asset performance monitored years. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards Expected To Be Recognized In Year Two. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Multiclient Seismic Data, Capitalized in period No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition, Cost of Acquired Entity, Stock Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Repurchase of interest rate derivative No authoritative reference available. No authoritative reference available. No authoritative reference available. Amount charged against earnings in the period relating to items of an unusual nature, tax. No authoritative reference available. Concentration of Credit Risk. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Debt Instrument Convertible Number Of Equity Instrument. No authoritative reference available. No authoritative reference available. No authoritative reference available. Stock Option Plans. No authoritative reference available. No authoritative reference available. No authoritative reference available. Gain Loss On Investments, Net Of Tax No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Amount charged against earnings in the period relating to items of an unusual nature, pretax. No authoritative reference available. No authoritative reference available. No authoritative reference available. Postretiremet Benefits Curtailment No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Total Shares Outstanding No authoritative reference available. Held to maturity securities debt maturities after four years net carrying amount. No authoritative reference available. Repurchase Senior Notes No authoritative reference available. Ownership Interest in Joint Venture No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Charges Related To Workforce Reductions [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. Held to maturity securities debt maturities after three years net carrying amount. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Mexico Restructuring No authoritative reference available. Held to maturity securities debt maturities after two years net carrying amount. No authoritative reference available. No authoritative reference available. No authoritative reference available. Impact Of Restructuring Charges On Diluted Earnings Per Share No authoritative reference available. Defined benefit plan other. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Elemination Of Tax Deduction No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Option Exercises In Period Weighted Average Exercise Price. No authoritative reference available. Reclassifications. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Amount charged against earnings in the period relating to items of an unusual nature. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Unvested Restricted Stock Units Outstanding No authoritative reference available. Impact Of Gain Loss On Repurchase Of Bond On Diluted Earnings Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. Impact Of Postretiremet Benefits Curtailment On Diluted Earnings Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition Purchase Price Allocation Investment No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition, Purchase Price Allocation, Deferred Income Tax Liabilities No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Number of countries in which schlumberger conducts business. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Income Tax Disclosure Table. No authoritative reference available. Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards Expected To Be Recognized In Year One. No authoritative reference available. No authoritative reference available. No authoritative reference available. Pension Disclosure No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This label includes additional information concerning acquisitions, interest and income taxes paid. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other Postretirement Benefits Disclosure. No authoritative reference available. No authoritative reference available. No authoritative reference available. Describes any existing condition, situation, or set of circumstances involving uncertainty as of the balance sheet date (or prior to issuance of the financial statements) as to a probable or reasonably possible gain or loss incurred by an entity and typically discloses the amount of range of possible gain or loss recorded. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Weighted average interest rate on variable rate debt. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Includes operating interest income earned as part of a core business activity, equity income representing the undistributed income or loss of investments which are accounted for under the equity method of accounting, and other miscellaneous income or loss earned from core business activities. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Gain on Earnings on Equity Interest in Joint Venture After Tax No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition Purchase Price Allocation Noncontrolling Interest No authoritative reference available. Defined Benefit Plan Weighted Average Assumptions Used In Calculating Net Periodic Benefit Cost. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Assumed In Merger Transaction Weighted Average Exercise Price. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Charges Non Controlling Interests. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Number Of Business Segments Parent Company Operates In. No authoritative reference available. No authoritative reference available. No authoritative reference available. Summary Of Charges And Credits. No authoritative reference available. Seismic vessels and related equipment. No authoritative reference available. Components of Consolidated Income Taxes No authoritative reference available. Net Pretax Credit No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The United States federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate shall be the regular tax rate if there are alternative tax systems. No authoritative reference available. No authoritative reference available. No authoritative reference available. Inventory Disclosure Table. No authoritative reference available. Fair Value of Equivalent Stock Options Issued No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition Pro Forma Profit Loss No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The portion of earnings (loss) from continuing operations before income taxes that is attributable to foreign operations, which is defined as income (loss) generated from operations located outside the United States. No authoritative reference available. No authoritative reference available. No authoritative reference available. Severance And Other Cost No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Use of estimates. No authoritative reference available. No authoritative reference available. No authoritative reference available. Assumed in Merger transaction. No authoritative reference available. Fixed rate debt No authoritative reference available. Interest and other income other. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disclosure of the carrying amount of multiclient seismic data based on completed and in-process seismic surveys. No authoritative reference available. No authoritative reference available. No authoritative reference available. Impairment Charges. No authoritative reference available. No authoritative reference available. No authoritative reference available. Repurchase of debt. No authoritative reference available. Defined Benefit Plan, Cash and cash equivalents. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Components of net deferred tax assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Cash paid for interest and income taxes. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition, Cost of Acquired Entity, Shares Distributed No authoritative reference available. The fair value of pension plan assets. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Option Forfeitures In Period Weighted Average Exercise Price. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Value of conversion of convertible debentures into common stock. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Interest and other income net. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Multiclient Seismic Data, Charged to cost of goods sold and services No authoritative reference available. No authoritative reference available. No authoritative reference available. Stock Option Maximum Term. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Accounts payable and accrued liabilities other. No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition, Purchase Price Allocation, Intangible Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Maximum percentage of consolidated revenue customers achived. No authoritative reference available. Range of annual Medicare Part D subsidy. No authoritative reference available. No authoritative reference available. No authoritative reference available. Gain On Earnings On Equity Interest In Joint Venture Pretax. No authoritative reference available. Impact Of Severance And Other Cost On Diluted Earning Per Share No authoritative reference available. Impact Of Foreign Currency Transaction Gain Loss Before Tax On Diluted Earnings Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. Deferred Tax Assets, Multiclient Seismic Data No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This block of text may be used to disclose all or part of the information related to goodwill. No authoritative reference available. No authoritative reference available. No authoritative reference available. Stock-based compensation expense recognized in income. No authoritative reference available. No authoritative reference available. No authoritative reference available. Defined benefit plan weighted average assumptions used in calculating benefit obligation and net periodic benefit cost for the postretirement medical plan. No authoritative reference available. Disclosure of the carrying amount of multiclient seismic data based on completed and in-process seismic surveys. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Effect of one percentage point change in assumed health care cost trend rates. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Reconciliation of the US Statutory Federal Tax Rate No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule of Charges related to assets written off. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The portion of earnings (loss) from continuing operations before income taxes that is attributable to United States operations. No authoritative reference available. Percentage of revenue denominated in US dollar. No authoritative reference available. No authoritative reference available. No authoritative reference available. Acquisition of merger No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Principal amount of convertible debentures to be used for conversion rate. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. 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The expected benefits to be paid under the US and International pension plans and the postretirement medical plan. No authoritative reference available. Equity in net earnings of affiliated companies. No authoritative reference available. The purchase price of the stock. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Allowance for doubtful accounts amounts written off. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other Charges No authoritative reference available. Other comprehensive income deferred taxes. No authoritative reference available. Deferred Tax Assets, Intangible Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Option Grants In Period Weighted Average Exercise Price. No authoritative reference available. No authoritative reference available. No authoritative reference available. Changes In Projected Benefit Obligation Plan Assets And Funded Status Of Plans. No authoritative reference available. No authoritative reference available. No authoritative reference available. Impact Of Elemination Of Tax Deduction On Diluted Earnings Per Share No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule of Intangible Assets by Major Class No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Assets. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Combination, Preliminary Allocation of the Purchase Price Disclosure [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. Stock Price Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. Net assets purchased during the period, excluding net assets acquired in business combinations. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Income (Loss) from Continuing Operations before Income Taxes and Minority Interest No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Impact Of Asset Impairment Charges On Diluted Earnings Per Share No authoritative reference available. Net Dilutive Effect On Earnings Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards Expected To Be Recognized In Year Four. No authoritative reference available. No authoritative reference available. No authoritative reference available. Cumulative Effect Of Change In Income Statment Dilutive No authoritative reference available. Impact Of Other Deductions And Charges On Diluted Earnings Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The net change in the beginning and end of period Other Current Assets balances. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Impact Of Employee Severance On Diluted Earnings Per Share No authoritative reference available. Schedule of Derivative Instruments, Effect on Income and Other Comprehensive Income No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule of Fair Value of the Consideration Transferred to Effect the Merger With Smith [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. Gain Loss On Repurchase Of Bond No authoritative reference available. Variable rate debt No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Multiclient Seismic Data. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Charge Contingency Recognized In Current Period. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Capitalized costs directly incurred in acquiring and processing of seismic surveys that are licensed on a nonexclusive basis, net of amortization. No authoritative reference available. Unrecognized Tax Benefits Increases Resulting From Impact Of Changes In Exchange Rates. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Gain on investment No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Transaction gains net of hedging activities. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Exchange Ratio No authoritative reference available. Business Acquisition, Purchase Price Allocation, Other Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Impact Of Unrealized Gain Loss On Investments On Diluted Earnings Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards Expected To Be Recognized In Year Five. No authoritative reference available. Defined Benefit Plan, Net Periodic Benefit Cost before Curtailments No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Gain Contingency Recognized In Current Period. No authoritative reference available. The weighted-average allocation of plan assets and the target allocation by asset category. No authoritative reference available. Reconciliation of earnings per share. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The number of common stock shares issued upon the conversion of convertible debentures. No authoritative reference available. No authoritative reference available. No authoritative reference available. The aggregate intrinsic value of stock options exercisable. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Inventory Write Up No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Number of shares of stock held by shareholders. No authoritative reference available. Reconciliation of accumulated other comprehensive income Loss. No authoritative reference available. No authoritative reference available. No authoritative reference available. Business Acquisition Purchase Price Allocation Current Liabilities Accounts Payable And Accrued Liabilities No authoritative reference available. Unrecognized Tax Benefits Increases Resulting From Acquisitions. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Intangible assets, estimated useful life No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Forfeited In Period Weighted Average Grant Date Fair Value. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Amounts that Will be Amortized from Accumulated Other Comprehensive Income. No authoritative reference available. No authoritative reference available. No authoritative reference available. Number Of Economic And Geographical Areas Of Operation Of Segment. No authoritative reference available. Total Of Components Of Deferred Income Taxes No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Conversion Of Convertible Debentures Into Cash, Value No authoritative reference available.