<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>612</ContextCount>
  <ElementCount>527</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>151</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>75000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>75010 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>75040 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>75060 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Operations (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>75070 - Statement - Condensed Consolidated Statements of Comprehensive Loss (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveLossUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Loss (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>75080 - Statement - Condensed Consolidated Statements of Redeemable Convertible Noncontrolling Interests and Stockholders' Deficit (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/StatementCondensedConsolidatedStatementsOfRedeemableConvertibleNoncontrollingInterestsAndStockholdersDeficitUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Redeemable Convertible Noncontrolling Interests and Stockholders' Deficit (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>75090 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995455 - Disclosure - Organization and Description of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureOrganizationAndDescriptionOfBusiness</Role>
      <ShortName>Organization and Description of Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995465 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995475 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureFairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995485 - Disclosure - Cash Equivalents and Marketable Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureCashEquivalentsAndMarketableSecurities</Role>
      <ShortName>Cash Equivalents and Marketable Securities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995505 - Disclosure - Noncontrolling Interests</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureNoncontrollingInterests</Role>
      <ShortName>Noncontrolling Interests</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995515 - Disclosure - Equity Method Investments and Other Equity Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureEquityMethodInvestmentsAndOtherEquityInvestments</Role>
      <ShortName>Equity Method Investments and Other Equity Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995525 - Disclosure - Intangible Assets, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureIntangibleAssetsNet</Role>
      <ShortName>Intangible Assets, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995535 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995545 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureDebt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995555 - Disclosure - Deferred Royalty Obligations, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureDeferredRoyaltyObligationsNet</Role>
      <ShortName>Deferred Royalty Obligations, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995565 - Disclosure - License and Collaboration Agreements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureLicenseAndCollaborationAgreements1</Role>
      <ShortName>License and Collaboration Agreements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995575 - Disclosure - In-licensing and Other Research and Development Agreements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureInlicensingAndOtherResearchAndDevelopmentAgreements1</Role>
      <ShortName>In-licensing and Other Research and Development Agreements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995595 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995605 - Disclosure - Public Offerings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosurePublicOfferings1</Role>
      <ShortName>Public Offerings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995615 - Disclosure - Stock-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureStockBasedCompensation</Role>
      <ShortName>Stock-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995625 - Disclosure - Restructuring, Impairment and Related Charges</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureRestructuringImpairmentAndRelatedCharges1</Role>
      <ShortName>Restructuring, Impairment and Related Charges</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995635 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995645 - Disclosure - Net Loss Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureNetLossPerShare</Role>
      <ShortName>Net Loss Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995665 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995675 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995685 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995695 - Disclosure - Cash Equivalents and Marketable Securities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureCashEquivalentsAndMarketableSecuritiesTables</Role>
      <ShortName>Cash Equivalents and Marketable Securities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/DisclosureCashEquivalentsAndMarketableSecurities</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995705 - Disclosure - Intangible Assets, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureIntangibleAssetsNetTables</Role>
      <ShortName>Intangible Assets, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/DisclosureIntangibleAssetsNet</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995715 - Disclosure - Deferred Royalty Obligations, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureDeferredRoyaltyObligationsNetTables</Role>
      <ShortName>Deferred Royalty Obligations, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/DisclosureDeferredRoyaltyObligationsNet</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995725 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995735 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureDebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureDebt</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995745 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeases</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995755 - Disclosure - Stock-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureStockBasedCompensationTables</Role>
      <ShortName>Stock-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureStockBasedCompensation</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995765 - Disclosure - Restructuring, Impairment and Related Charges (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureRestructuringImpairmentAndRelatedChargesTables</Role>
      <ShortName>Restructuring, Impairment and Related Charges (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/DisclosureRestructuringImpairmentAndRelatedCharges1</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995785 - Disclosure - Net Loss Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureNetLossPerShareTables</Role>
      <ShortName>Net Loss Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureNetLossPerShare</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995805 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995815 - Disclosure - Summary of Significant Accounting Policies - Schedule of Concentration, Percentage of Gross Revenues (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfConcentrationPercentageOfGrossRevenuesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Concentration, Percentage of Gross Revenues (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995825 - Disclosure - Summary of Significant Accounting Policies - Summary of Cash, Cash Equivalents and Restricted Cash (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfCashCashEquivalentsAndRestrictedCashDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Summary of Cash, Cash Equivalents and Restricted Cash (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995835 - Disclosure - Summary of Significant Accounting Policies - Summary of Other Current Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfOtherCurrentLiabilitiesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Summary of Other Current Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995845 - Disclosure - Summary of Significant Accounting Policies - Summary of Segment Information for Revenue, Significant Operating Expenses and Other Income (Expense), and Net Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfSegmentInformationForRevenueSignificantOperatingExpensesAndOtherIncomeExpenseAndN</Role>
      <ShortName>Summary of Significant Accounting Policies - Summary of Segment Information for Revenue, Significant Operating Expenses and Other Income (Expense), and Net Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995855 - Disclosure - Summary of Significant Accounting Policies - Schedule of Inventories Presented on Condensed Consolidated Balance Sheet (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfInventoriesPresentedOnCondensedConsolidatedBalanceSheetDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Inventories Presented on Condensed Consolidated Balance Sheet (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995865 - Disclosure - Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails</Role>
      <ShortName>Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995875 - Disclosure - Fair Value Measurements - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetails</Role>
      <ShortName>Fair Value Measurements - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995885 - Disclosure - Fair Value Measurements - Schedule of Aggregate Face Values and Fair Values of Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfAggregateFaceValuesAndFairValuesOfNotesDetails</Role>
      <ShortName>Fair Value Measurements - Schedule of Aggregate Face Values and Fair Values of Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995895 - Disclosure - Cash Equivalents and Marketable Securities - Schedule of Cash Equivalent and Marketable Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureCashEquivalentsAndMarketableSecuritiesScheduleOfCashEquivalentAndMarketableSecuritiesDetails</Role>
      <ShortName>Cash Equivalents and Marketable Securities - Schedule of Cash Equivalent and Marketable Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995905 - Disclosure - Cash Equivalents and Marketable Securities - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureCashEquivalentsAndMarketableSecuritiesAdditionalInformationDetails</Role>
      <ShortName>Cash Equivalents and Marketable Securities - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995925 - Disclosure - Noncontrolling Interests - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureNoncontrollingInterestsAdditionalInformationDetails</Role>
      <ShortName>Noncontrolling Interests - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>995935 - Disclosure - Equity Method Investment and Other Equity Investments - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureEquityMethodInvestmentAndOtherEquityInvestmentsAdditionalInformationDetails</Role>
      <ShortName>Equity Method Investment and Other Equity Investments - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>995945 - Disclosure - Intangible Assets, Net - Summary of Recognized Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureIntangibleAssetsNetSummaryOfRecognizedIntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets, Net - Summary of Recognized Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>995955 - Disclosure - Intangible Assets, Net - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureIntangibleAssetsNetAdditionalInformationDetails</Role>
      <ShortName>Intangible Assets, Net - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>995965 - Disclosure - Commitments and Contingencies - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetails</Role>
      <ShortName>Commitments and Contingencies - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>995975 - Disclosure - Commitments and Contingencies - Schedule of Potential Milestone Amounts and Accruals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfPotentialMilestoneAmountsAndAccrualsDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule of Potential Milestone Amounts and Accruals (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>995985 - Disclosure - Debt - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails</Role>
      <ShortName>Debt - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>996005 - Disclosure - Debt - Schedule of Outstanding Notes Balances (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureDebtScheduleOfOutstandingNotesBalancesDetails</Role>
      <ShortName>Debt - Schedule of Outstanding Notes Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>996015 - Disclosure - Debt - Schedule of Total Interest Expense Recognized Related to Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureDebtScheduleOfTotalInterestExpenseRecognizedRelatedToNotesDetails</Role>
      <ShortName>Debt - Schedule of Total Interest Expense Recognized Related to Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>996025 - Disclosure - Debt - Schedule of Future Minimum Payments under Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureDebtScheduleOfFutureMinimumPaymentsUnderNotesDetails</Role>
      <ShortName>Debt - Schedule of Future Minimum Payments under Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>996035 - Disclosure - Debt - Schedule of Balances of Borrowing under Financing Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureDebtScheduleOfBalancesOfBorrowingUnderFinancingAgreementDetails</Role>
      <ShortName>Debt - Schedule of Balances of Borrowing under Financing Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>996045 - Disclosure - Deferred Royalty Obligations, Net - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureDeferredRoyaltyObligationsNetAdditionalInformationDetails</Role>
      <ShortName>Deferred Royalty Obligations, Net - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996055 - Disclosure - Deferred Royalty Obligations, Net - Schedule of Deferred Royalty Obligations, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureDeferredRoyaltyObligationsNetScheduleOfDeferredRoyaltyObligationsNetDetails</Role>
      <ShortName>Deferred Royalty Obligations, Net - Schedule of Deferred Royalty Obligations, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996065 - Disclosure - License and Collaboration Agreements - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureLicenseAndCollaborationAgreementsAdditionalInformationDetails</Role>
      <ShortName>License and Collaboration Agreements - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996075 - Disclosure - License and Collaboration Agreements - Additional Information (Details1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureLicenseAndCollaborationAgreementsAdditionalInformationDetails1</Role>
      <ShortName>License and Collaboration Agreements - Additional Information (Details1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996085 - Disclosure - In-licensing and Other Research and Development Agreements - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureInlicensingAndOtherResearchAndDevelopmentAgreementsAdditionalInformationDetails</Role>
      <ShortName>In-licensing and Other Research and Development Agreements - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996095 - Disclosure - Sale of Nonfinancial Assets - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureSaleOfNonfinancialAssetsAdditionalInformationDetails</Role>
      <ShortName>Sale of Nonfinancial Assets - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996105 - Disclosure - Leases - Components of Lease Cost (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeasesComponentsOfLeaseCostDetails</Role>
      <ShortName>Leases - Components of Lease Cost (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996115 - Disclosure - Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeasesScheduleOfSupplementalCashFlowInformationRelatedToLeasesDetails</Role>
      <ShortName>Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>996125 - Disclosure - Leases - Schedule of Supplemental Information Related to Remaining Lease Term and Discount Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeasesScheduleOfSupplementalInformationRelatedToRemainingLeaseTermAndDiscountRateDetails</Role>
      <ShortName>Leases - Schedule of Supplemental Information Related to Remaining Lease Term and Discount Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>996135 - Disclosure - Leases - Schedule of Future Minimum Lease Payments for Noncancelable Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeasesScheduleOfFutureMinimumLeasePaymentsForNoncancelableLeasesDetails</Role>
      <ShortName>Leases - Schedule of Future Minimum Lease Payments for Noncancelable Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>996145 - Disclosure - Leases - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureLeasesAdditionalInformationDetails</Role>
      <ShortName>Leases - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>996155 - Disclosure - Public Offerings - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosurePublicOfferingsAdditionalInformationDetails</Role>
      <ShortName>Public Offerings - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>996165 - Disclosure - Stock-Based Compensation - Summary of Stock Based Compensation for Employees and Non Employees (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationForEmployeesAndNonEmployeesDetails</Role>
      <ShortName>Stock-Based Compensation - Summary of Stock Based Compensation for Employees and Non Employees (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>996175 - Disclosure - Stock-Based Compensation - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails</Role>
      <ShortName>Stock-Based Compensation - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>996185 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity under Plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityUnderPlansDetails</Role>
      <ShortName>Stock-Based Compensation - Summary of Stock Option Activity under Plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>996195 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Units Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfRestrictedStockUnitsActivityDetails</Role>
      <ShortName>Stock-Based Compensation - Summary of Restricted Stock Units Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>996225 - Disclosure - Stock-Based Compensation - Schedule of Assumptions Used to Determine Fair Value of Stock Options and Stock Purchase Rights under ESPP (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureStockbasedCompensationScheduleOfAssumptionsUsedToDetermineFairValueOfStockOptionsAndStockPurchaseRightsUnderEsppDetails</Role>
      <ShortName>Stock-Based Compensation - Schedule of Assumptions Used to Determine Fair Value of Stock Options and Stock Purchase Rights under ESPP (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>996245 - Disclosure - Restructuring, Impairment and Related Charges - Summary of Restructuring, Impairment and Related Charges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureRestructuringImpairmentAndRelatedChargesSummaryOfRestructuringImpairmentAndRelatedChargesDetails</Role>
      <ShortName>Restructuring, Impairment and Related Charges - Summary of Restructuring, Impairment and Related Charges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>996255 - Disclosure - Restructuring, Impairment and Related Charges - Schedule of Activity Related to Restructuring Liabilities Associated to Restructuring Plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureRestructuringImpairmentAndRelatedChargesScheduleOfActivityRelatedToRestructuringLiabilitiesAssociatedToRestructuringPlansDetails</Role>
      <ShortName>Restructuring, Impairment and Related Charges - Schedule of Activity Related to Restructuring Liabilities Associated to Restructuring Plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>996265 - Disclosure - Income Taxes - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails</Role>
      <ShortName>Income Taxes - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>996285 - Disclosure - Income Taxes - Schedule of Provision for Income Taxes and Effective Tax Rates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureIncomeTaxesScheduleOfProvisionForIncomeTaxesAndEffectiveTaxRatesDetails</Role>
      <ShortName>Income Taxes - Schedule of Provision for Income Taxes and Effective Tax Rates (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="bbio-20250630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>996295 - Disclosure - Net Loss Per Share - Schedule of Common Stock Equivalents were Excluded from Computation of Diluted Net Loss per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://bridgebio.com/20250630/taxonomy/role/DisclosureNetLossPerShareScheduleOfCommonStockEquivalentsWereExcludedFromComputationOfDilutedNetLossPerShareDetails</Role>
      <ShortName>Net Loss Per Share - Schedule of Common Stock Equivalents were Excluded from Computation of Diluted Net Loss per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="bbio-20250630.htm">bbio-20250630.htm</File>
    <File>bbio-20250630.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2024</BaseTaxonomy>
    <BaseTaxonomy items="1406">http://fasb.org/us-gaap/2024</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="17">http://xbrl.sec.gov/ecd/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
