Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement Statistical Measurement [Domain] Stock conversion ratio Redeemable Non Controlling Interest Exchange Agreement Stock Conversion Ratio Redeemable non controlling interest exchange agreement stock conversion ratio. vTv Therapeutics LLC V Tv L L C [Member] vTv LLC. Title of 12(b) Security Title of 12(b) Security Net (loss) income attributable to common shareholders of vTv Therapeutics Inc diluted Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Common stock value Common Stock, Value, Issued Taxes paid related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Restatement Determination Date Restatement Determination Date Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Contingent consideration transferred, aggregate share value Collaborative Arrangement, Contingent Consideration Transferred, Aggregate Share Value Collaborative Arrangement, Contingent Consideration Transferred, Aggregate Share Value Number of securities called by warrants or rights (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Amendment Flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] Current liabilities: Liabilities, Current [Abstract] Project [Axis] Project [Axis] Conversion of Class B common stock to Class A common stock (in shares) Conversion of Stock, Shares Converted Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Change in fair value of warrants, related party Fair Value Adjustment of Warrants MacAndrews & Forbes Incorporated Mac Andrews And Forbes Incorporated [Member] MacAndrews and Forbes Incorporated. Indirect research and development expense Indirect Research Development Expense Indirect Research Development Expense Type 2 Diabetes Type Two Diabetes [Member] Type 2 diabetes. Consolidated Entities [Domain] Consolidated Entities [Domain] Related-Party Transactions Related Party Transactions Disclosure [Text Block] Organization Consolidation And Presentation Of Financial Statements [Line Items] Organization Consolidation And Presentation Of Financial Statements [Line Items] Organization consolidation and presentation of financial statements. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Number of board of directors right to designate members Number of Board Of Directors Right To Designate Members Number of Board Of Directors Right To Designate Members Entity Address, State or Province Entity Address, State or Province Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross PEO Total Compensation Amount PEO Total Compensation Amount Common stock par value (in usd per share) Common Stock, Par or Stated Value Per Share Basic weighted average number of vTv Therapeutics Inc. Class A common stock (in shares) Weighted average vTv Therapeutics Inc. 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Parent Company Parent Company [Member] Entity public float, percent Entity Public Float, Percent Entity Public Float, Percent Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Non-Options, Exercises in Period, Weighted Average Exercise Price Share-Based Compensation Arrangements by Share-Based Payment Award, Non-Options, Exercises in Period, Weighted Average Exercise Price Recent Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Contract liabilities Increase (Decrease) in Contract with Customer, Liability Schedule of Segment Reporting Information, by Segment Segment Reporting [Table Text Block] Noncontrolling Interest Noncontrolling Interest [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Related Party Related and Nonrelated Parties [Axis] Exercise price of warrants or rights (in usd per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Document Period End Date Document Period End Date Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Basic net (loss) income per share: Earnings Per Share, Basic [Abstract] Conversion of Stock, Name Conversion of Stock, Name [Domain] Stockholders’ Equity Equity [Text Block] Security Exchange Name Security Exchange Name Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Private Placement Investors Private Placement Investors [Member] Private Placement Investors Entity Shell Company Entity Shell Company Class B Common Stock Common Class B [Member] Net (Loss) Income per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised Total liabilities Liabilities Trading Symbol Trading Symbol Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Unrecognized compensation cost related to non-vested share-based compensation arrangements Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Sale of stock, consideration received on transaction, gross Sale of Stock, Consideration Received on Transaction, Gross Sale of Stock, Consideration Received on Transaction, Gross Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Diluted net (loss) income per share: Earnings Per Share, Diluted [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Common stock warrants Warrant [Member] Diluted weighted average number of vTv Therapeutics Inc. Class A common stock (in shares) Weighted average vTv Therapeutics Inc. Class A common stock (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Research and Development Arrangement, Contract to Perform for Others, Type Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Collaborative Arrangement and Arrangement Other than Collaborative Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments and Contingencies. Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Other assets Increase (Decrease) in Other Noncurrent Assets Percent of public float Sale of Stock, Maximum Securities To Be Sold, Percent Of Public Float Sale of Stock, Maximum Securities To Be Sold, Percent Of Public Float Aggregate offering price Sale Of Stock, Aggregate Offering Price Aggregate offering price. Award Timing Predetermined Award Timing Predetermined [Flag] Amount of cash savings percentage Percentage Of Amount Of Cash Savings Percentage of amount of cash savings. Contingent consideration transferred, cash Collaborate Arrangement, Contingent Consideration Transferred, Cash Collaborate Arrangement, Contingent Consideration Transferred, Cash Project [Domain] Project [Domain] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Type 1 Diabetes Type One Diabetes [Member] Type 1 diabetes. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] G42 Investments G42 Investments [Member] G42 Investments Income Taxes [Table] Income Taxes [Table] Income taxes. All Executive Categories All Executive Categories [Member] Schedule Of Earnings Per Share [Line Items] Schedule Of Earnings Per Share [Line Items] Schedule Of Earnings Per Share [Line Items] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Numerator: Net Income Loss Diluted [Abstract] Net Income Loss Diluted Depreciation expense Depreciation Antidilutive Securities Antidilutive Securities [Axis] Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Awards outstanding, beginning balance (in usd per share) Awards outstanding, ending balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Options, Outstanding, Weighted Average Exercise Price [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Options, Outstanding, Weighted Average Exercise Price Schedule of Reconciliation of the Numerator and Denominator Used in the Calculation of Basic and Diluted Net Income (Loss) per Share of Class A Common Stock Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Information Segment Reporting [Text Block] Expiration Date Trading Arrangement Expiration Date Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Income Statement Location Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Nonrelated Party Nonrelated Party [Member] Options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Shares sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Warrants and rights immediately exercisable term Warrants And Rights Immediately Exercisable Term Warrants And Rights Immediately Exercisable Term Exercise Price Award Exercise Price Related Party Transaction [Axis] Related Party Transaction [Axis] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] M&F TTP Holdings Two LLC M&F TTP Holdings Two LLC [Member] M&F TTP Holdings Two LLC Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component Equity Component [Domain] Organization Consolidation And Presentation Of Financial Statements [Table] Organization Consolidation And Presentation Of Financial Statements [Table] Organization Consolidation And Presentation Of Financial Statements [Table] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Newsoara Biopharma Co Ltd Newsoara Biopharma Co Ltd [Member] Newsoara Biopharma Co Ltd. Aggregate gross purchase price Sale of Stock, Consideration Received on Transaction Adoption Date Trading Arrangement Adoption Date Private Placement Pre-Funded Warrants Private Placement Pre-Funded Warrants [Member] Private Placement Pre-Funded Warrants Counterparty Name [Domain] Counterparty Name [Domain] Total stockholders’ equity Equity, Attributable to Parent Cadisegliatin Cadisegliatin [Member] Cadisegliatin Warrant liability, related party Warrant liability, Current Warrant liability, Current Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Number of board of directors to approve certain actions Number of Board Of Directors To Approve Certain Actions Number of Board Of Directors To Approve Certain Actions Awards outstanding, beginning balance (in shares) Awards outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] vTv Therapeutics Inc vTv Therapeutics Inc [Member] vTv Therapeutics Inc Private Placement Private Placement [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Potentially dilutive securities not included in calculation of dilutive net loss per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Potentially Dilutive Securities not Included in Calculation of Diluted Net Loss per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Entity Central Index Key Entity Central Index Key Additional paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Proceeds from issuance of private placement Proceeds from Issuance of Private Placement Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation M&F TTP Holdings LLC M F T T P Holdings L L C [Member] M&F TTP Holdings LLC. Income Statement [Abstract] Income Statement [Abstract] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Operating expenses: Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Potential milestone payment Potential Milestone Payment Potential milestone payment. Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Other Commitments Other Commitments [Domain] City Area Code City Area Code Document Information [Table] Document Information [Table] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Collaborative Arrangements Collaborative Arrangement [Member] Name Forgone Recovery, Individual Name Weighted average period to recognize unrecognized share-based compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Assets Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Options, Exercisable, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Options, Exercisable, Number Entity Entity [Domain] Schedule of Equity-Based Stock Warrants Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] Potential development and regulatory milestone payments receivable Potential Development And Regulatory Milestone Payments Receivable Potential development and regulatory milestone payments receivable. Weighted average grant date fair value of options granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Schedule of Compensation Expense Related to Grants of Stock Options Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Share-Based Compensation Share-Based Payment Arrangement [Text Block] PEO PEO [Member] Total share-based compensation expense Share-Based Payment Arrangement, Expense Note receivable, discount paid Collaborative Arrangement, Note Receivable, Discount Paid Collaborative Arrangement, Note Receivable, Discount Paid Income Taxes [Line Items] Income Taxes [Line Items] Income taxes. Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Issuance of common stock upon exercise of stock options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Collaboration revenue recognized Contract with Customer, Liability, Revenue Recognized Accumulated Deficit Retained Earnings [Member] Total operating expenses Operating Expenses Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Forfeited or Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Beginning balance, shares (in shares) Ending balance, shares (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted net (loss) income per share of vTv Therapeutics Inc. Class A common stock (in usd per share) Diluted net (loss) income per share of vTv Therapeutics Inc. Class A common stock (in usd per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Net shares withheld for tax withholding related to the settlement of equity awards. Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses Increase (Decrease) in Prepaid Expense and Other Assets Warrant liability Warranty Liability Warranty Liability Ownership [Domain] Ownership [Domain] Research and development Total research and development expense Research and Development Expense Adjustments to reconcile net income (loss) before noncontrolling interest to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Options vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Issuance of common stock upon exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Underlying Securities Award Underlying Securities Amount Prepaid expenses Prepaid Expense, Current Pre-Funded Warrants Pre-Funded Warrants [Member] Pre-Funded Warrants Forfeited or Expired (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Developmental and Regulatory Milestone Payment Developmental And Regulatory Milestone Payment [Member] Developmental and regulatory milestone payment. Options vested and expected to vest (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Segment Reporting [Table] Segment Reporting [Table] Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Collaborative arrangement, royalties receivable, period Collaborative Arrangement, Royalties Receivable, Period Collaborative Arrangement, Royalties Receivable, Period Sale of Stock [Axis] Sale of Stock [Axis] Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating (loss) income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Share held by related party (in shares) Investment Owned, Balance, Shares Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Related Party Transaction [Domain] Related Party Transaction [Domain] Entity public float, threshold Entity Public Float, Threshold Entity Public Float, Threshold Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Other Indication Other Indication [Member] Other indication. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Stock Award Activity for the Period Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Measure: Measure [Axis] Percentage of non-voting economic interest of vTv Therapeutics Inc in vTv LLC Percentage Of Non Voting Economic Interest By Parent Percentage of non voting economic interest by parent. 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Net (loss) income before income taxes and noncontrolling interest Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies Commitments and Contingencies Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Non-Options, Grants in Period, Weighted Average Exercise Price Share-Based Compensation Arrangements by Share-Based Payment Award, Non-Options, Grants in Period, Weighted Average Exercise Price Executive Category: Executive Category [Axis] License fee received License Fee Received License Fee Received Non-qualified stock option awards vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Counterparty Name [Axis] Counterparty Name [Axis] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] IP License IP License [Member] IP License Options exercisable, weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Award Type Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Options vested and expected to vest, weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted-Average Remaining Contractual Term Revenue from collaborative arrangement Revenue from Collaborative Arrangement, Excluding Revenue from Contract with Customer PEO Name PEO Name Contract liabilities Contract with Customer, Liability Exercisable (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Options, Exercisable, Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Options, Exercisable, Weighted Average Exercise Price Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity Legal Entity [Axis] Unaudited Interim Financial Information Unaudited Interim Financial Information Policy [Policy Text Block] Unaudited interim financial information policy. Total cash and cash equivalents, beginning of period Total cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Number of foreign collaboration partners Number Of Foreign Collaboration Partners Number Of Foreign Collaboration Partners Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Commercial Supply Agreement Commercial Supply Agreement [Member] Commercial Supply Agreement Basic net (loss) income per share of vTv Therapeutics Inc. Class A common stock (in usd per share) Basic net (loss) income per share of vTv Therapeutics Inc. 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Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Cogna Cogna [Member] Cogna Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] TD Cowen Sales Agreement TD Cowen Sales Agreement [Member] TD Cowen Sales Agreement Equity Awards Adjustments Equity Awards Adjustments [Member] Collaboration Agreements Collaborative Arrangement Disclosure [Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Stock Option Common stock options granted under the Plan Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Commitments And Contingencies [Table] Commitments And Contingencies [Table] Commitments And Contingencies [Table] Related Party Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Other income (expense), net Other Nonoperating Income (Expense) Total vTv Therapeutics Inc Stockholders’ Equity (Deficit) Parent [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Stock Warrant Stock Warrant [Member] Stock Warrant Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Aggregate intrinsic value outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value General and administrative General and Administrative Expense Sale of stock, price per share (in usd per share) Sale of Stock, Price Per Share Adjustment to Compensation: Adjustment to Compensation [Axis] Expired or cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations Class of Stock Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] G42 Agreements G42 Agreements [Member] G42 Agreements Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Other current assets Increase (Decrease) in Other Current Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Denominator: Weighted Average Number Of Diluted Shares Outstanding [Abstract] Weighted Average Number Of Diluted Shares Outstanding Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Common Warrants Common Warrants [Member] Common Warrants Direct research and development expense Direct Research and Development Expense Direct Research and Development Expense Outstanding number of beginning balance( in shares) Outstanding number of ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number Entity Address, Address Line Two Entity Address, Address Line Two Schedule Of Stock By Class [Table] Stock, Class of Stock [Table] Net (loss) income before noncontrolling interest Net income (loss) before noncontrolling interest Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Private placement pre-funded warrants, shares (in shares) Common Stock, Par or Stated Value of Private Placement Pre-Funded Warrants, Shares Common Stock, Par or Stated Value of Private Placement Pre-Funded Warrants, Shares Income tax provision Income Tax Expense (Benefit) Private placement, shares (in shares) Common Stock, Par or Stated Value of Private Placement, Shares Common Stock, Par or Stated Value of Private Placement, Shares Research and Development Arrangement, Contract to Perform for Others, Type Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Award Timing Method Award Timing Method [Text Block] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accounts and financing receivable, after allowance for credit loss, current Accounts and Financing Receivable, after Allowance for Credit Loss, Current Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Net (loss) income attributable to vTv Therapeutics Inc. Net income (loss) attributable to vTv Therapeutics Inc. Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Additionally number of securities called by warrants or rights (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Proceeds from the exercise of stock options Proceeds from Stock Options Exercised Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Interest income Investment Income, Interest Options exercisable (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Ownership percentage of majority owner Ownership Percentage Of Majority Owner Ownership percentage of majority owner. Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]