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Disclosure - Inventories, Net link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Strategic Investments link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Warrants link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Equity Offerings link:presentationLink link:calculationLink link:definitionLink 995615 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 995625 - Disclosure - Warrant Liabilities link:presentationLink link:calculationLink link:definitionLink 995635 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 995645 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995655 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 995665 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 995675 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 995685 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 995695 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995705 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995715 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995725 - Disclosure - Business Combinations (Tables) link:presentationLink link:calculationLink link:definitionLink 995735 - Disclosure - Cash, Cash Equivalents, Restricted Cash And Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 995745 - Disclosure - Fair Value Measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 995755 - Disclosure - Property And Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 995765 - Disclosure - Intangible Assets, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 995775 - Disclosure - Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 995785 - Disclosure - Other Balance Sheet Accounts (Tables) link:presentationLink link:calculationLink link:definitionLink 995795 - Disclosure - Inventories, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 995805 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 995815 - Disclosure - Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 995825 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 995835 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 995845 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 995855 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 995865 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 995875 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 995885 - Disclosure - Description of Business - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995895 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995895 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) [Default] link:presentationLink link:calculationLink link:definitionLink 995905 - Disclosure - Summary of Significant Accounting Policies - Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Detail) link:presentationLink link:calculationLink link:definitionLink 995915 - Disclosure - Summary of Significant Accounting Policies - Summary of Loans and Financing Receivable (Detail) link:presentationLink link:calculationLink link:definitionLink 995925 - Disclosure - Summary of Significant Accounting Policies - Summary of Property Plant And Equipment Useful Life (Detail) link:presentationLink link:calculationLink link:definitionLink 995935 - Disclosure - Business Combinations - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995945 - Disclosure - Business Combinations - Summary of Components of Purchase Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 995955 - Disclosure - Business Combinations - Summary of Components of Purchase Consideration (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995965 - Disclosure - Business Combinations - Summary of Preliminary Fair Value of Assets Acquired and Liabilities Assumed, Including Measurement Period Adjustments (Details) link:presentationLink link:calculationLink link:definitionLink 995975 - Disclosure - Business Combinations - Summary of Preliminary Allocation of Purchase Price to Assets Acquired and Liabilities Assumed, Including Measurement Period Adjustments (Detail) link:presentationLink link:calculationLink link:definitionLink 995985 - Disclosure - Business Combinations - Summarizes Unaudited Pro Forma Consolidated Revenue (Detail) link:presentationLink link:calculationLink link:definitionLink 995995 - Disclosure - Business Combinations - Summary of Purchase Price Allocation for Acquisitions Based on Estimated Fair Value of Identifiable Intangible Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996005 - Disclosure - Cash, Cash Equivalents, Restricted Cash And Investments - Summary of Unrealized Gains and Losses and Estimated Fair Value of Cash Equivalents and Investments (Detail) link:presentationLink link:calculationLink link:definitionLink 996015 - Disclosure - Cash Equivalents, Restricted Cash And Investments - Additional Information - (Detail) link:presentationLink link:calculationLink link:definitionLink 996025 - Disclosure - Cash, Cash Equivalents, Restricted Cash And Investments - Summary of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value (Detail) link:presentationLink link:calculationLink link:definitionLink 996035 - Disclosure - Cash, Cash Equivalents, Restricted Cash And Investments - Schedule of Contractual Maturity Date of Cash Cash Equivalents, Restricted Cash and Investments in Available-for-Sale Securities (Detail) link:presentationLink link:calculationLink link:definitionLink 996045 - Disclosure - Fair Value Measurements - Summary of fair value measurements on a recurring basis and the level of inputs (Detail) link:presentationLink link:calculationLink link:definitionLink 996055 - Disclosure - Fair Value Measurements - Summary of Changes in Level 3 Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 996065 - Disclosure - Fair Value Measurements - Assumptions Used to Estimate Fair Value of Series A and Series B Private Warrants (Detail) link:presentationLink link:calculationLink link:definitionLink 996075 - Disclosure - Fair Value Measurements - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996085 - Disclosure - Fair Value Measurements - Summary of Strategic Investments (Detail) link:presentationLink link:calculationLink link:definitionLink 996095 - Disclosure - Property And Equipment, Net - Summary Of Property And Equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 996105 - Disclosure - Property And Equipment, Net - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996115 - Disclosure - Agreements With University Of Maryland And Duke University - Additional information (Detail) link:presentationLink link:calculationLink link:definitionLink 996125 - Disclosure - Intangible Assets, Net - Summary of Intangible Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996135 - Disclosure - Intangible Assets, Net - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996145 - Disclosure - Goodwill - Summary of Carrying Amount of Goodwill (Detail) link:presentationLink link:calculationLink link:definitionLink 996155 - Disclosure - Other Balance Sheet Accounts - Summary of Prepaid Expenses and Other Current Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996165 - Disclosure - Other Balance Sheet Accounts - Schedule of Other Noncurrent Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996175 - Disclosure - Other Balance Sheet Accounts - Summary of Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996185 - Disclosure - Other Balance Sheet Accounts - Summary of Other Noncurrent Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 996195 - Disclosure - Inventories, Net - Summary of Inventories, Net (Detail) link:presentationLink link:calculationLink link:definitionLink 996205 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summarizes Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) link:presentationLink link:calculationLink link:definitionLink 996215 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996225 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996235 - Disclosure - Privately-Held Securities - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996245 - Disclosure - Warrants - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996255 - Disclosure - Equity Offerings - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996265 - Disclosure - Revenue - Schedule of Revenue Disaggregated by Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 996275 - Disclosure - Revenue - Schedule of Revenue Disaggregated by Customer Location (Details) link:presentationLink link:calculationLink link:definitionLink 996285 - Disclosure - Revenue - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996295 - Disclosure - Stock-Based Compensation - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996305 - Disclosure - Stock-Based Compensation - Summary Of Share Based Payment Award Stock Options Valuation Assumptions (Detail) link:presentationLink link:calculationLink link:definitionLink 996315 - Disclosure - Stock-Based Compensation - Summary of the Stock Option Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 996325 - Disclosure - Stock-Based Compensation - Summary of the Stock Option Activity (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996335 - Disclosure - Stock-Based Compensation - Summary of stock option grants, vesting and exercises (Detail) link:presentationLink link:calculationLink link:definitionLink 996345 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Unit ("RSU") and Restricted Stock Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 996355 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Unit ("RSU") and Restricted Stock Activity (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996365 - Disclosure - Stock-Based Compensation - Summary of Performance Share Unit ("PSU") Activity (Details) link:presentationLink link:calculationLink link:definitionLink 996375 - Disclosure - Stock-Based Compensation - Summary of Stock-based Compensation Expenses for Stock Options and Unvested Common Stock (Detail) link:presentationLink link:calculationLink link:definitionLink 996375 - Disclosure - Stock-Based Compensation - Summary of Stock-based Compensation Expenses for Stock Options and Unvested Common Stock (Detail) [Default] link:presentationLink link:calculationLink link:definitionLink 996385 - Disclosure - Stock-Based Compensation - Summary of Unrecognized Stock-Based Compensation (Detail) link:presentationLink link:calculationLink link:definitionLink 996385 - Disclosure - Stock-Based Compensation - Summary of Unrecognized Stock-Based Compensation (Detail) [Default] link:presentationLink link:calculationLink link:definitionLink 996395 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996405 - Disclosure - Earnings Per Share - Summary of Basic and Diluted Net Income (Loss) Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 996415 - Disclosure - Earnings Per Share - Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 996425 - Disclosure - Leases - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996435 - Disclosure - Leases - Summary Of Components Of Lease Cost (Detail) link:presentationLink link:calculationLink link:definitionLink 996445 - Disclosure - Leases - Summary Of Components Of Lease Cost (Detail) 2 link:presentationLink link:calculationLink link:definitionLink 996455 - Disclosure - Leases - Summary Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss (Detail) link:presentationLink link:calculationLink link:definitionLink 996455 - Disclosure - Leases - Summary Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss (Detail) [Default] link:presentationLink link:calculationLink link:definitionLink 996465 - Disclosure - Leases - Summary Of Supplemental Cash Flow And Other Information Related To Operating Leases (Detail) link:presentationLink link:calculationLink link:definitionLink 996475 - Disclosure - Leases - Summary Of Maturities Of Operating Lease Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 996485 - Disclosure - Leases - Summary Of Maturities Of Operating Lease Liabilities (Detail) 2 link:presentationLink link:calculationLink link:definitionLink 996495 - Disclosure - Related Party Transactions - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996505 - Disclosure - Related Party Transactions - Schedule of Related Party Transactions (Detail) link:presentationLink link:calculationLink link:definitionLink 996515 - Disclosure - Related Party Transactions - Schedule of Related Party Transactions (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 996525 - Disclosure - Related Party Transactions - Summary of Lease Cost and Cash Flow Related to Operating Lease (Detail) link:presentationLink link:calculationLink link:definitionLink 996535 - Disclosure - Related Party Transactions - Summary of Weighted-Average Remaining Lease Term and Weighted-Average Discount Rate (Detail) link:presentationLink link:calculationLink link:definitionLink 996545 - Disclosure - Segment Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996555 - Disclosure - Segment Information - Schedule of Revenue, Significant Expenses, and Segment Profit and Loss (Details) link:presentationLink link:calculationLink link:definitionLink 996565 - Disclosure - Subsequent Events - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink Business Combination, Recognized Liability Assumed, Deferred Revenue, Current Unearned revenue Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Currency Translation Adjustments [Member] Summary of Property Plant And Equipment Useful Life Disclosure Of Property Plant And Equipment Useful Life [Table Text Block] Disclosure of property plant and equipment useful life. Intangible asset capitalized during period Intangible Asset, Finite-Lived, Cost Incurred to Renew or Extend Common stock, capital shares reserved for future issuance Common Stock, Capital Shares Reserved for Future Issuance Shares reserved for issuances Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 12 Months or Longer, Gross Unrealized Losses 12 Months or Longer, Gross Unrealized Losses Schedule of Accrued Liabilities [Table Text Block] Summary of Accrued Expenses and Other Current Liabilities Summary of Accrued Expenses and Other Current Liabilities Operating Lease, Liability, Total Present value of operating lease liabilities Operating Lease, Liability Operating lease liability Probability of Achievement [Member] Measurement Input, Long-Term Revenue Growth Rate [Member] Equity Interest Issued or Issuable, Type [Domain] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Unrecognized Expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total Cash Payments (Proceeds) Included in Measurement of Operating Lease Liabilities Cash payments (proceeds) included in measurement of operating lease liabilities. Cash payments (receipts) included in the measurement of operating lease liabilities, net of lease incentives Order or Production Backlog [Member] Backlog [Member] Purchase Obligation Purchase Obligation, Total Contingent purchase obligation related to QCaaS access Gabrielle Toledano [Member] Gabrielle Toledano. Commitments and Contingencies Commitments and contingencies (see Note 12) Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding-diluted Weighted average shares outstanding-diluted Weighted average shares used in computing net income (loss) per share attributable to IonQ, Inc. common stockholders-diluted Class of warrants or rights vested and exercisable. Class of Warrants or Rights Vested and Exercisable Class of warrants or rights vested and execisable Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total Minimum [Member] Minimum [Member] Internal use. Internal Use [Member] Internal-Use Software [Member] Strategic Investments [Line Items] Strategic Investments. Commercial Contract [Member] Commercial contract. Commercial Contract [Member] Non Rule 10b51 Arr Modified Flag Non rule 10b51 arr modified flag. Non-Rule 10b5-1 Arrangement Modified Fair Value, Recurring [Member] Business Combination, Pro Forma Information, Pro Forma Revenue Revenue Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Summary of Preliminary Fair Value of Assets Acquired and Liabilities Assumed, Including Measurement Period Adjustments Series B PreFunded Warrants [Member] Series B PreFunded Warrants. Series B PreFunded Warrants Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Award vesting rights, percentage Gain on change in fair value of revenue milestone contingent consideration Gain on change in fair value of revenue milestone contingent consideration. Common stock, shares issued Common Stock, Shares, Issued Segment Reporting [Line Items] Inventory Valuation and Obsolescence [Member] Excess and Obsolescence [Member] Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability, Total Business combination, contingent consideration classified as liability Inder Singh [Member] Inder Singh. Number of Option Shares, Exercisable and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Income Tax Expense (Benefit) Income Tax Expense (Benefit), Total Provision for income taxes Income tax benefit (expense) Income tax (benefit) expense Income tax benefit Assets, Changes in fair value included in other comprehensive income (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Goodwill, Foreign Currency Translation, Gain (Loss) Foreign currency translation Stock Issued During Period Shares In Exchange For Intangible Assets And Research And Development Arrangements Stock issued during period shares in exchange for intangible assets and research and development arrangements. Issuance of common stock in exchange for intangible assets and research and development arrangements (in shares) Property, Plant and Equipment [Member] Property and Equipment [Member] Prepaid research and development arrangements, net of current portion Prepaid Research and Development Arrangements, Net of Current Portion Prepaid research and development arrangements, net of current portion. Counterparty Name [Domain] Municipal Bonds [Member] Municipal Bonds [Member] At The Market offering Issuance Costs In Accounts Payable And Accrued Expenses At the market offering issuance costs in accounts payable and accrued expenses. At-the-market offering issuance costs in accounts payable and accrued expenses Related Party Transaction [Line Items] Related Party Transaction [Line Items] Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Greater than 1 Year Restricted Stock Units Outstanding [Member] Unvested Restricted Stock Units [Member] Restricted Stock Units [Member] Internally Use Software [Member] Internally Use Software [Member] Internal-use Software [Member] Unvested performance-based restricted stock units. Unvested performance-based restricted stock units member Unvested Performance-based Restricted Stock Units [Member] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Assets, Transfer out of Level 3 Operating Segments [Member] Operating Segment [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Intangible Asset, Finite-Lived, Class [Domain] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Assets, Issuances Share based compensation arrangement by share based payment award cumulative annual increase percentage Share Based Compensation Arrangement By Share Based Payment Award Cumulative Annual Increase Percentage of Fully Diluted Common Stock Share based compensation arrangement by share based payment award cumulative annual increase percentage. Performance adjustments Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Period Increase (Decrease) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Period Increase (Decrease), Total AOCI Including Portion Attributable to Noncontrolling Interest, Period Increase (Decrease) AOCI Including Portion Attributable to Noncontrolling Interest, Period Increase (Decrease), Total Changes in accumulated other comprehensive income (loss) Schedule of Contractual Maturity Date of Cash Cash Equivalents, Restricted Cash and Investments in Available-for-Sale Securities Schedule Of Contractual Maturity Date Of Cash Cash Equivalents Restricted Cash And Investments In Available For Sale Securities [Table Text Block] Tabular disclosure of contractual maturity date of cash cash equivalents restricted cash and investments in available for sale securities. Subsequent Event Type [Domain] Subsequent Event Type [Domain] Receivable Type [Axis] Receivable Type [Axis] Pre-funded Warrants [Member] Pre-funded Warrants [Member] Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Property And Equipment, Net Property, Plant, and Equipment [Text Block] Privately Held Securities [Table] Privately held securities. Other investing, net Payment for (Proceeds from) Other Investing Activity Proceeds from common stock and warrant issuance, net of issuance costs Less: Gain (loss) on change in fair value of warrant liabilities Fair Value Adjustment Of Warrants For Diluted EPS Fair value adjustment of warrants for diluted EPS. Lease expiration year Lessee, Operating Lease, Expiration Year Lessee, operating lease, expiration year. Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash Series A and Series B private warrants [Member] Series A and Series B private warrants. Series A and Series B Private Warrants [Member] Other Long-term Investments [Member] Other Long-Term Investments [Member] University Of Maryland [Member] University Of Maryland [Member] University of maryland. Schedule Of Share Based Compensation Arrangements By Share Based Paymen tAward [Line Items] Schedule of share based compensation arrangements by share based payment award line items. Schedule Of Share Based Compensation Arrangements By Share Based Paymen tAward [Line Items] Strategic Investments [Member] Strategic investments. General and administrative General and Administrative Expense General and Administrative Expense, Total Income Statement [Abstract] Quantum computing hardware and services [Member] Quantum computing hardware and services. Quantum Computing Hardware and Services [Member] Organization Business And Basis Of Presentation [Line Items] Organization Business And Basis Of Presentation [Line Items] Organization Business And Basis Of Presentation Line Items Stock subject to repurchase related to stock options early exercised and unvested Share Repurchase Program, Remaining Authorized, Number of Shares Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Skyloom Global Corp. [Member] Skyloom Global Corp. member. Shareholders' Equity and Share-Based Payments [Text Block] Equity Offerings Income Tax Jurisdiction [Axis] Number of Shares, Forfeited PSUs, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Goodwill Externally Use Software [Member] Externally use software. Summary of Components of lease cost Lease, Cost [Table Text Block] Summary of Lease Costs, Cash Flow Related to Operating Lease, Weighted-Average Remaining Lease Term and Weighted-Average Discount Rate Platform, consulting and support services. Platform, consulting and support services [Member] Platform, Consulting and Support Services [Member] Goodwill [Text Block] Goodwill Funded Orders [Member] funded orders [Member] funded orders [Member] Related Party [Domain] Related and Nonrelated Parties [Domain] Earnings Per Share, Basic Earnings Per Share, Basic, Total Net income (loss) per share attributable to IonQ, Inc. common stockholders-basic Net income (loss) per share attributable to IonQ, Inc. common stockholders-basic Materials and supplies net. Materials And Supplies Net [Policy Text Block] Materials and Supplies, Net Materials and Supplies, Net Fair Value Assets And Liabilities Measured On Recurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring Basis [Table] Fair value assets and liabilities measured on recurring basis table. Business Combination, Recognized Liability Assumed, Unearened Revenue, Net Of Current Portion Business combination, recognized liability assumed, unearened revenue, net of current portion. Unearened revenue, net of current portion Document Period End Date Period End Date Business combination, contingent consideration, stock-based compensation expense Business Combination, Contingent Consideration, Share Based Compensation Expense Amount of stock-based compensation expense recognized arising from contingent consideration in a business combination. Principal Transaction Revenue [Table] Intangible Asset, Finite-Lived, after Accumulated Amortization Finite-Lived Intangible Assets, Net, Ending Balance Finite-Lived Intangible Assets, Net, Beginning Balance Total intangible assets, net Total amortization expense Finite-lived intangible assets, net amount Cost of revenue (excluding depreciation and amortization) Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization, Total Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Payments to Acquire Property, Plant, and Equipment, Total unfunded orders [Member] unfunded orders [Member] Unfunded Orders [Member] Business Combination, Recognized Asset Acquired, Operating Lease Right of Use Assets Business combination, recognized asset acquired, operating lease right of use assets. Operating lease right-of-use assets Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares authorized Strategic Investments Other Noncurrent Assets Strategic investments other noncurrent assets. Strategic investments Statement of Stockholders' Equity [Abstract] Accrued expenses and other current liabilities Business Combination, Recognized Liability Assumed, Accrued Expenses And Other Current Liabilities Business combination, recognized liability assumed, accrued expenses and other current liabilities. Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] Summary of Performance Share Unit ("PSU") Activity Based on Awards at Target Summary of Performance Share Unit ("PSU") Activity Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Warrants and Rights Outstanding, Measurement Input Assumptions used to estimate fair value of Series A warrants Expected stock-price volatility Fair value of conversion of stock options in connection with acquisition Fair Value of Conversion of Stock Options in Connection With Acquisition Fair value of conversion of stock options in connection with acquisition. Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total prepaid expenses and other current assets Recently Adopted Accounting Standards Recently Adopted Accounting Standards [Policy Text Block] Disclosure of accounting policy for recently adopted accounting standards. Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Liabilities, Changes in fair value included in other comprehensive income (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Investments [Domain] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Total other comprehensive income (loss) Other comprehensive income (loss) Bankers Acceptance [Member] Underwriting Agreement [Member] Underwriting agreement. Underwriting Agreement [Member] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Disaggregation of Revenue [Table] Net loss Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized Amount of capitalized materials and supplies to property and equipments. Capitalized Materials And Supplies To Property And Equipments Capitalized materials and supplies Aggregate Intrinsic Value, Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Total Assets Assets Title of 12(b) Security Loss Contingency, Nature [Domain] Goodwill Goodwill Goodwill, Total Beginning Balance Ending Balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Liabilities, Purchases Class of warrant redeemed Class of warrant redeemed. Class of warrant redeemed Related Party Transaction [Axis] Related Party Transaction [Axis] Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Business combination, contingent consideration future maximum payout Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of Shares, Ending Balance Number of Shares, Beginning Balance Customer Concentration Risk [Member] Customer Concentration Risk [Member] Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Summary of restricted stock unit ("RSU") activity Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Gross Unrealized Losses Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss Liabilities: Liabilities, Fair Value Disclosure [Abstract] Stock Issued Aggregate purchase price Effective Income Tax Rate Reconciliation, Percent Effective tax rate, Percent Effective tax rate, Percent Stock Based Compensation Net Of Amounts Capitalized Stock based compensation net of amounts capitalized. Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Qubitekk Federal LLC [Member] Qubitekk Federal LLC. Qubitekk Federal, LLC [Member] Details [Axis] Details [Axis] Details. Other Noncurrent Assets Fair Value Disclosure Other noncurrent assets fair value disclosure. Other noncurrent assets Business combination, provisional information, initial accounting incomplete, adjustment, purchase price and goodwill Business combination, provisional information, initial accounting incomplete, adjustment, purchase price and goodwill. 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Performance Based Restricted Stock Units [Member] Fair Value Measurement Inputs and Valuation Techniques [Table] Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Share based compensation by share based award vesting term Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period SAFE Investments [Member] SAFE Investments [Member] SAFE investments. 2015 Equity Incentive Plan [Member] Two Thousands And Fifteen Equity Incentive Plan [Member] 2015 Equity incentive plan. 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Schedule On Reconciliation Of Cash Cash Equivalents And Restricted Cash [Table Text Block] Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash Quoted Prices in Active Markets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Business Combination, Effective Date of Acquisition Date of acquisition Class of Stock [Domain] Class of Stock [Domain] Market Intelligence Business [Member] Market Intelligence Business. Market Intelligence Business [Member] Accounts payable ($0 and zero attributable to Duke) Accounts payable Accounts Payable, Current Accounts Payable, Current, Total Rima Alameddine [Member] Rima Alameddine. 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Subscription Agreement [Member] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Assets, Fair value ending balance Assets, Fair value beginning balance Common Stock [Member] Common Stock [Member] Derivative Instruments and Hedging Activities Disclosure [Text Block] Warrants Business Combinations Business Combination [Policy Text Block] Investment [Text Block] Privately-Held Securities Statistical Measurement [Domain] Statistical Measurement [Domain] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Business Combination, Pro Forma Information [Table Text Block] Summarizes Unaudited Pro Forma Consolidated Revenue Series A Prefunded Warrants [Member] Series A prefunded warrants. Series A Prefunded Warrants [Member] Prepaid Expense, Current, Total Prepaid Expense, Current Prepaid expenses Prepaid expenses Debt Securities, Available-for-Sale [Line Items] Intangible Asset, Finite-Lived, before Accumulated Amortization Gross intangible assets Finite-lived intangible assets, gross Initial Patents Received [Member] Initial Patents Received [Member] Initial patents received. 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Amended Option Agreement [Member] Amended Option Agreement [Member] Amended option agreement. Business combination, provisional information, initial accounting incomplete, adjustment, accrued expenses and other current liabilities Business combination, provisional information, initial accounting incomplete, adjustment, accrued expenses and other current liabilities. 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Weighted Average Exercise Price, Replacement awards Sale of Stock, Price Per Share Sale of stock, price per share Stock Issued During Period, Value, Employee Benefit Plan Issuance of common stock from equity incentive plans Schedule Of Changes In The Fair Value Of Warrant Liabilities [Table] Schedule Of Changes In The Fair Value Of Warrant Liabilities Table Income Tax Disclosure [Table] Income tax disclosure. Goodwill Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Intangible assets Total intangible assets Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Summarizes Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax Thomas Kramer [Member] Thomas Kramer. 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Prepayment of research and development service arrangement Lightsynq Technologies Inc. [Member] Lightsynq Technologies Inc [Member] Lightsynq Technologies Inc. Lessee, Operating Lease, Liability, to be Paid, Year Four 2029 Proceeds from Warrant Exercises Proceeds from public warrants exercised University of Chicago. University of Chicago [Member] Plan Name [Axis] Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted, Total Less: Reallocated undistributed earnings allocated to participating securities Subsequent Event Type [Axis] Subsequent Event Type [Axis] Equity [Abstract] Percentage of number of shares earned Share Based Compensation Arrangement by Share Based Payment Award Percentage of Number of Shares Earned Share based compensation arrangement by share based payment award percentage of number of shares earned. Percentage of number of shares earned Product and Service [Domain] Equity [Text Block] Equity Offerings Stockholders' Equity Quantum computing systems [Member] Quantum Computing System [Member] Quantum computing system. Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill [Abstract] Measurement Frequency [Axis] Measurement Frequency [Axis] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Warrants [Table] Warrants [Table] Capitalized Contract Cost [Domain] Billed Accounts Receivable [Member] Billed Accounts Receivable [Member] Billed accounts receivable [Member]. Other Sundry Liabilities, Noncurrent Other noncurrent liabilities Liabilities Liabilities [Abstract] Stock option early exercise liabilities, net of current portion Stock Option Early Exercise Liabilities Net Of Current Portion Stock option early exercise liabilities net of current portion. Entity Tax Identification Number Public Warrants [Member] Public Warrants [Member] Public warrants Public Warrants Member Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss, Total Goodwill, Impairment Loss Goodwill, impairment loss Equity Component [Domain] Equity Component [Domain] 2021 Equity Incentive Plan [Member] Two Thousands And Twenty One Equity Incentive Plan [Member] Two Thousands And Twenty One Equity Incentive Plan Member Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income (loss) Entity Address, City or Town Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Shares withheld to cover employee tax obligations Foreign Income Tax Expense (Benefit), Continuing Operations Foreign Income Tax Expense (Benefit), Continuing Operations, Total Foreign operating losses recognized Business Combination [Axis] Business Acquisition [Axis] Measurement Input Type [Domain] Intangible Asset, Excluding Goodwill, after Accumulated Amortization [Abstract] Capital Expenditures Incurred but Not yet Paid Property and equipment purchases in accounts payable and accrued expenses Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total Less: Undistributed earnings allocated to participating securities Stock Issued During Period, Value, New Issues Issuance of common stock, net of issuance costs Issuance of common stock in connection with at-the-market offering, net of issuance costs Investments Investments, Fair Value Disclosure Investments, Fair Value Disclosure, Total Summary of Changes in Unearned Revenue Summary Of Changes In Unearned Revenue [Table Text Block] Summary of changes in unearned revenue. 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Tax withholding receipts (payments) related to equity awards, net Reclassifications from accumulated other comprehensive income (loss) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Entity [Domain] All Entities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Revenue Milestones [Member] Revenue milestones. Defined benefit pension obligation Postemployment Benefits Liability, Noncurrent Series A and Series B Warrants [Member] Series A and Series B Warrants. Series A Warrants and Series B Warrants [Member] Statement [Table] Statement [Table] Software and Software Development Costs [Member] Software, In-Development, Internally Developed, and Purchased [Member] Internal-use Software [Member] Unaudited Interim Financial Information Unaudited Interim Financial Information [Policy Text Block] Unaudited interim financial information [policy text block]. Unearned revenue Deferred Revenue, Current Deferred Revenue, Current, Total Lease, Cost Total operating lease cost Total operating lease cost Stock-based compensation expense Share-Based Payment Arrangement, Expense Stock-based compensation Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (loss) before income tax expense External Use [Member] External use. External-Use Software [Member] Entity Shell Company Contractual term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected term (in years) Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant accounting policies Revenue, Remaining Performance Obligation, Percentage Percentage Of Remaining Performance Obligation Percentage Of Remaining Performance Obligation Statement [Line Items] Statement [Line Items] Unearned revenue, net of current portion Deferred Revenue, Noncurrent Deferred Revenue, Noncurrent, Total Previously Reported [Member] Preliminary Fair Value [Member] Purchase Price Allocation [Member] Machinery Equipment Furniture And Fixtures [Member] Machinery equipment furniture and fixtures. Machinery, equipment, furniture and fixtures PSU vested PSUs,Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Number of Shares, Vested Maximum [Member] Maximum [Member] Maximum Proceeds from Sale of Debt Securities, Available-for-Sale Sales of available-for-sale securities Capitalized Contract Cost [Axis] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Assets, Changes in fair value included in net income (loss) Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Prepaid expenses and other current assets Summary Of a Reconciliation Of Cash And Restricted Cash Schedule On Reconciliation Of Cash And Restricted Cash [Table Text Block] Schedule on reconciliation of cash and restricted cash. 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[Member] Vector Atomic Inc [Member] Vector Atomic Inc. Percentage of discount to the lower of closing price on that day or the closing price on the first day of the offering period Percentage Of Discount To The Lower Of Closing Price On That Day Or The Closing Price On The First Day Of The Offering Period Percentage of discount to the lower of closing price on that day or the closing price on the first day of the offering period. Business Combination [Line Items] Business Acquisition [Line Items] Total consideration Business Combination, Consideration Transferred Total purchase consideration Total consideration Contract with Customer, Basis of Pricing [Domain] Entity Ex Transition Period Entity Ex Transition Period Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Other noncurrent liabilities Trademark [Member] Trademarks [Member] Non-current operating lease liabilities Operating lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Contract with Customer, Liability, Revenue Recognized Revenue recognized from commercial contract Revenue recognized from commercial contracts Revenue recognized Nexus Photonics, Inc. [Member] Nexus Photonics, Inc. Revision of Prior Period [Domain] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Liabilities, Changes in fair value included in net income (loss) Total lease payments Future minimum lease liability payment due Lessee, Operating Lease, Liability, to be Paid Future minimum lease liability payment due Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Less than 12 Months, Fair Value Accrued expenses—other Other Accrued Liabilities, Current Accrued expenses—other Strategic Investments Strategic Investments. 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Acquisition purchase consideration liabilities, net of current portion City Area Code Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract] Revenue recognized Deferred Revenue, Revenue Recognized Revenue recognized Contingent Consideration [Member] Contingent consideration. Organization, Consolidation and Presentation of Financial Statements [Abstract] ShareBased Compensation Arrangement By Share Based Payment Award Percentage of Number of Shares Earned Target Sharebased compensation arrangement by share based payment award percentage of number of shares earned target. Target percentage of number of shares earned Target percentage of number of shares earned Kathryn Chou [Member] Kathryn Chou. Proceeds from common stock and warrant issuance, net of issuance costs Proceeds from Issuance of Common Stock Fixed lease cost Fixed lease cost. Fixed lease cost Stock Issued During Period, Shares, Purchase of Assets Stock issued during the period Issuance of common stock in exchange for intangible assets, (in shares) Stock issued during the period purchase of assets Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Oxford Ionics Limited [Member] Oxford Ionics Limited [Member] Oxford Ionics Limited. Website and other. Website And Other [Member] Website and Other [Member] Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Abstract] Other segment items: Publicly traded Equity Securities [Member] Publicly traded Equity Securities. Publicly-traded Equity Securities [Member] Computer equipment and acquired computer software Computer Equipment [Member] Rule 10b51 Arr Modified Flag Rule 10b51 arr modified flag. Rule 10b5-1 Arrangement Modified Inventory Disclosure [Text Block] Inventories, Net Internally Developed Software [Member] Internally Developed Software Costs [Member] Internally Developed Software Costs Member Fair Value of Conversion of Restricted Stock in Connection With Acquisition Fair value of conversion of restricted stock in connection with acquisition. Fair value of conversion of restricted stock in connection with acquisition ID Quantique SA [Member] ID Quantique SA. 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Impairment of Long-Lived Assets to be Disposed of Impairment of Long-Lived Assets to be Disposed of Geographical [Axis] Summary Of Property And Equipment, Net Property, Plant, and Equipment [Table Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Details [Domain] Details [Domain] Details. Subsequent Event [Table] Weighted-average Remaining Contractual Term, Exercisable and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted-Average Remaining Contractual Term PSUs ,Granted Share baded compensation arrangement, settlement of accrued bonus liability Number of Shares, Granted Entity Emerging Growth Company Entity Emerging Growth Company Business Combination, Consideration Transferred, Fair Value Of Common Stock Issued Business combination, consideration transferred, fair value of common stock issued. 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Disclosure Of Intangible Assets Finite And Indefinite Lived [Table Text Block] Summary of Intangible Assets Summary of Intangible Assets, Net Business combination, provisional information, initial accounting incomplete, adjustment, intangible assets and deferred tax liabilities Business combination, provisional information, initial accounting incomplete, adjustment, intangible assets and deferred tax liabilities. 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Additional paid-in capital Additional Paid in Capital Additional Paid in Capital, Total Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net income (loss) to net cash used in operating activities: Short-term investments Short-Term Investments Short-Term Investments, Total Fair Value Disclosures [Abstract] Cash and cash equivalents Cash and Cash Equivalent Cash and Cash Equivalents, at Carrying Value, Total Stock repurchase program, remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Summary of stock option grants, vesting and exercises Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block] Quantum Computing and Networking Hardware [Member] Quantum computing and networking hardware. 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Operating lease liabilities, net of current portion Accumulated Other Comprehensive Income (Loss) [Table] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by (used in) financing activities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Liabilities, Fair value beginning balance Liabilities, Fair value ending balance Business Combination, Recognized Liability Assumed, Accounts Payable, Current Accounts payable Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Net income (loss) attributable to IonQ, Inc. common stockholders-basic Net Income (Loss) Available to Common Stockholders, Basic Number of Option Shares, Cancelled/ Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Entity Filer Category Entity Filer Category Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Segment reporting, CODM, profit (loss) measure, description Warrant Liabilities Warrant Liabilities [Text Block] Warrant Liabilities. Equity Issued For Research And Development Arrangement Equity issued for research and development arrangement. Equity issued for research and development arrangement Warrant issue price Class Of Warrant Or Right Issue Price Class Of Warrant Or Right Issue Price Credit Losses And Impairments Credit losses and impairments. Credit losses and impairments Accounts receivable Increase (Decrease) in Accounts Receivable Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Total property and equipment, net Patents [Member] Patents [Member] Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 12 Months or Longer, Fair value Revenue Revenue from Contract with Customer, Excluding Assessed Tax Total revenue Total revenue Cumulative Effect, Period of Adoption [Axis] Balance (in shares) Balance (in shares) Shares, Outstanding Inventory Disclosure [Abstract] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Liabilities, Issuances Liabilities, Issuances Business Combination, Pro Forma Information [Abstract] Segment Reporting [Abstract] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Summary of reconciliation of U.S. statutory tax rate and effective tax rate Materials and Supplies Excess and Obsolescence [Member] Materials and Supplies [Member] Other Assets, Current Other current assets Other current assets Entity Address, Postal Zip Code Statement of Financial Position [Abstract] Local Phone Number