<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2026-06-18T17:22:23.4197+00:00 -->
<!-- Copyright (c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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          <link:loc xlink:type="locator" xlink:href="brka-20251231.xsd#brka_DFAEmergingMarketsCoreEquityPortfolioInstitutionalClassMember" xlink:label="brka_DFAEmergingMarketsCoreEquityPortfolioInstitutionalClassMember"/>
          <link:loc xlink:type="locator" xlink:href="brka-20251231.xsd#brka_FederatedHermesMDTMidCapGrowthFundClassR6Member" xlink:label="brka_FederatedHermesMDTMidCapGrowthFundClassR6Member"/>
          <link:loc xlink:type="locator" xlink:href="brka-20251231.xsd#brka_PutnamRetirementAdvantage2050FundClassR6Member" xlink:label="brka_PutnamRetirementAdvantage2050FundClassR6Member"/>
          <link:loc xlink:type="locator" xlink:href="brka-20251231.xsd#brka_PutnamRetirementAdvantage2040FundClassR6Member" xlink:label="brka_PutnamRetirementAdvantage2040FundClassR6Member"/>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Benefit and withdrawal payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Benefit and withdrawal payments per financial statement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Receivable [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer Contribution, Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company contribution receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanForm5500CaptionReceivablesEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Form 5500 Caption Receivables Employer Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanForm5500CaptionReceivablesEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan form 5500 caption receivables employer contribution.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanForm5500CaptionReceivablesEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Add: Company contribution receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Form 5500 Caption, Net Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Benefit payments and deemed distribution per Form 5500</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Benefit payments and corrective distributions per Form 5500</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Status [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income on notes receivable from participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIdentifierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Identifier [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administrative expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer Contribution, Matching Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of employer contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentIssuerNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Issuer Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Liability [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Accounting Policy [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Net Asset Available for Benefit [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanContributionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Contribution [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionReceivableEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Form 5500 Caption, Receivables, Employer Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionReceivableEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Company contribution receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionReceivableEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Less: Company contribution receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionReceivableEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company contribution receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanDiscretionaryProfitSharingContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Discretionary profit sharing contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanDiscretionaryProfitSharingContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan discretionary profit sharing contributions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanDiscretionaryProfitSharingContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan discretionary profit sharing contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Administrative Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan, administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan highest outstanding note balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Collective Trust [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collective Investment Trust</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deductions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan minimum borrow amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Payment to Participant [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Benefit Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpRiskAndUncertaintyConcentrationOfInvestmentBenchmarkThresholdPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Risk and Uncertainty, Concentration of Investment, Benchmark Threshold Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpRiskAndUncertaintyConcentrationOfInvestmentBenchmarkThresholdPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantEmployerPaidCashBonusesPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Participant Employer Paid Cash Bonuses Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantEmployerPaidCashBonusesPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan participant employer paid cash bonuses percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantEmployerPaidCashBonusesPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of employer paid cash bonuses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer, Common Stock Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Administrative Expenses [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan, administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Current Value, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantContributionAnnualAutomaticIncreaseInDeferralRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Participant Contribution Annual Automatic Increase in Deferral Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantContributionAnnualAutomaticIncreaseInDeferralRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan participant contribution annual automatic increase in deferral rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantContributionAnnualAutomaticIncreaseInDeferralRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferral rate increasing percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Accounting Policy [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Accounting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Basis of Accounting [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Form 5500 Caption, Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets available for benefits per Form 5500</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Number of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Parties and Parties-in-Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustParticipationStatusExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Reconciliation of Financial Statement to Form 5500 [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Net Asset Available for Benefit [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantLoanPrincipalBalances_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Participant Loan Principal Balances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantLoanPrincipalBalances_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan participant loan principal balances.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantLoanPrincipalBalances_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant loans, principal balances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Determination Letter, Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax determination letter, date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferral rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Participant Contribution, Automatic, Deferral Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_MinimumRequiredPeriodOfServicesForDiscretionaryProfit-SharingContributionToParticipants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Required Period of Services for Discretionary Profit-Sharing Contribution to Participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_MinimumRequiredPeriodOfServicesForDiscretionaryProfit-SharingContributionToParticipants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum required period of services for discretionary profit-sharing contribution to participants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_MinimumRequiredPeriodOfServicesForDiscretionaryProfit-SharingContributionToParticipants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum required period of services for discretionary profit-sharing contribution to participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total investments at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investments, at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Use of Estimate [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MutualFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mutual Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MutualFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mutual Funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Summary of Accounting Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500PaymentToParticipantDecreaseForDeemedDistributionPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Reconciliation to Form 5500, Payment to Participant, Prior Period, Decrease from Deemed Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500PaymentToParticipantDecreaseForDeemedDistributionPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: deemed distribution at December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500PaymentToParticipantDecreaseForDeemedDistributionPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: deemed distribution at December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan and Accounting Change [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation of Net Assets Available for Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Change in Net Asset Available for Benefit [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notes receivable from participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Risk and Uncertainty [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk &amp; Uncertainties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanContributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Contribution [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan maximum borrowing percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Determination Letter, Obtained [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax determination letter, obtained</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Plan Termination [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Termination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionTotalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Company contributions per Form 5500</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionTotalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Form 5500 Caption, Total Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionTotalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company contributions per Form 5500</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Participant Contribution, Pretax, Maximum Annual Compensation, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum contribution amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment income:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net assets available for benefits per the financial statements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Net Asset Available for Benefit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets available for benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">End of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Plan's Investments Measured at Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAssetLiabilityForUncertainTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Asset Liability For Uncertain Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAssetLiabilityForUncertainTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount recognized for uncertainty in income taxes positions taken or expected to be taken classified as an asset (liability) for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAssetLiabilityForUncertainTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Asset) Liability For Uncertain Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanContributionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Contribution [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Administrative Expenses [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan, administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantMaximumAnnualCatchUpContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Participant Maximum Annual Catch Up Contribution Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantMaximumAnnualCatchUpContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan participant maximum annual catch up contribution amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantMaximumAnnualCatchUpContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan participant maximum annual catch up contribution amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_PlanDesignatedAgeToWithdrawalsOfEmployerContributionsIfParticipantDiesOrDisabled_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Designated Age to Withdrawals of Employer Contributions if Participant Dies or Disabled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_PlanDesignatedAgeToWithdrawalsOfEmployerContributionsIfParticipantDiesOrDisabled_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Plan designated age to withdrawals of employer contributions if participant dies or disabled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_PlanDesignatedAgeToWithdrawalsOfEmployerContributionsIfParticipantDiesOrDisabled_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan designated age to withdrawals of employer contributions if participant dies or disabled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notes Receivable from Participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Net Asset Available for Benefit [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net appreciation in fair value of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer Contribution, Participant Compensation Matched, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage on employee eligible compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Change in Net Asset Available for Benefit [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanContributionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Contribution [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanContributionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of employee contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPlanNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Plan Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanNumberOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Number of Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanNumberOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan number of investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanNumberOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpPlanName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Plan Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitDeemedDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitDeemedDistribution_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deemed distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rollovers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Form 5500 Caption, Contributions, Employers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company contributions per financial statement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Reconciliation of Financial Statement to Form 5500 [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Status of Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Status [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Change in Net Asset Available for Benefit [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForDividendIncomeOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForDividendIncomeOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_FairValueInputsLevel1AndLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Inputs Level 1 and Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_FairValueInputsLevel1AndLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value inputs level 1 and level 2.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_FairValueInputsLevel1AndLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1 and Level 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Participant Loan, Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan, asset held for investment, participant loan, interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Administrative Expenses [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanAdministrativeExpensesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan, administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanScheduleOfAssetsHeldAtEndOfYearTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Schedule of Assets Held at End of Year [TextBlock]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanScheduleOfAssetsHeldAtEndOfYearTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan schedule of assets held at end of year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanScheduleOfAssetsHeldAtEndOfYearTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Assets (Held at End of Year)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Reconciliation of Financial Statement to Form 5500 [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of Financial Statements to Form 5500</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantLoanMaturityYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Participant Loan Maturity Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantLoanMaturityYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan participant loan maturity year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanParticipantLoanMaturityYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan, participant loan maturity year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Abstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Reconciliation of Financial Statement to Form 5500 [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanMaximumAnnualSuperCatchUpContributionLimitAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Maximum Annual Super Catch Up Contribution Limit Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanMaximumAnnualSuperCatchUpContributionLimitAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefit plan maximum annual super catch up contribution limit amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EmployeeBenefitPlanMaximumAnnualSuperCatchUpContributionLimitAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefit plan maximum annual super catch-up contribution limit amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deductions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EBP001Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EBP 001</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EBP001Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP 001 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_EBP001Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP 001.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Status [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="brka_PlanDesignatedNormalRetirementAgeToWithdrawalsOfEmployerContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Designated Normal Retirement Age to Withdrawals of Employer Contributions</link:label>
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          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/ebp/elts/us-gaap-ebp-2025.xsd#us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/ebp/elts/us-gaap-ebp-2025.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/ebp/elts/us-gaap-ebp-2025.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500PaymentToParticipantDecreaseForDeemedDistributionPriorPeriod" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500PaymentToParticipantDecreaseForDeemedDistributionPriorPeriod"/>
        </link:calculationLink>
      </link:linkbase>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="brka_EmployeeBenefitPlanNumberOfInvestments" name="EmployeeBenefitPlanNumberOfInvestments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_BerkshireHathawayStockClassBMember" name="BerkshireHathawayStockClassBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanDiscretionaryProfitSharingContributions" name="EmployeeBenefitPlanDiscretionaryProfitSharingContributions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="brka_Fidelity500IndexFundMember" name="Fidelity500IndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_VanguardSelectedValueFundInvestorSharesMember" name="VanguardSelectedValueFundInvestorSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanAdministrativeExpensesAbstract" name="EmployeeBenefitPlanAdministrativeExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_HartfordSmallCapGrowthHLSFundClassIAMember" name="HartfordSmallCapGrowthHLSFundClassIAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2060FundClassR6Member" name="PutnamRetirementAdvantage2060FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_FidelityBlueChipGrowthK6FundMember" name="FidelityBlueChipGrowthK6FundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2065FundClassR6Member" name="PutnamRetirementAdvantage2065FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2040FundClassR6Member" name="PutnamRetirementAdvantage2040FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_FidelitySmall-CapIndexFundMember" name="FidelitySmall-CapIndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanAssetLiabilityForUncertainTaxPositions" name="EmployeeBenefitPlanAssetLiabilityForUncertainTaxPositions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="brka_EmployeeBenefitPlanForm5500CaptionReceivablesEmployerContribution" name="EmployeeBenefitPlanForm5500CaptionReceivablesEmployerContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="brka_EmployeeBenefitPlanParticipantLoanPrincipalBalances" name="EmployeeBenefitPlanParticipantLoanPrincipalBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="brka_EmployeeBenefitPlanAdministrativeExpensesLineItems" name="EmployeeBenefitPlanAdministrativeExpensesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_BairdAggregateBondFundClassInstitutionalMember" name="BairdAggregateBondFundClassInstitutionalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_FederatedHermesMDTMidCapGrowthFundClassR6Member" name="FederatedHermesMDTMidCapGrowthFundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_MinimumRequiredPeriodOfServicesForDiscretionaryProfit-SharingContributionToParticipants" name="MinimumRequiredPeriodOfServicesForDiscretionaryProfit-SharingContributionToParticipants" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_DodgeCoxStockIMember" name="DodgeCoxStockIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_FidelityMid-CapStockFundMember" name="FidelityMid-CapStockFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_FidelityInternationalSmallCapFundMember" name="FidelityInternationalSmallCapFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2030FundClassR6Member" name="PutnamRetirementAdvantage2030FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2035FundClassR6Member" name="PutnamRetirementAdvantage2035FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2055FundClassR6Member" name="PutnamRetirementAdvantage2055FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanMaximumAnnualSuperCatchUpContributionLimitAmount" name="EmployeeBenefitPlanMaximumAnnualSuperCatchUpContributionLimitAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="brka_EmployeeBenefitPlanAdministrativeExpensesTable" name="EmployeeBenefitPlanAdministrativeExpensesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PlanDesignatedNormalRetirementAgeToWithdrawalsOfEmployerContributions" name="PlanDesignatedNormalRetirementAgeToWithdrawalsOfEmployerContributions" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_EmployeeBenefitPlanParticipantMaximumAnnualCatchUpContributionAmount" name="EmployeeBenefitPlanParticipantMaximumAnnualCatchUpContributionAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="brka_InvescoStableValueTrustClassIIIMember" name="InvescoStableValueTrustClassIIIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanParticipantContributionAnnualAutomaticIncreaseInDeferralRate" name="EmployeeBenefitPlanParticipantContributionAnnualAutomaticIncreaseInDeferralRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_EmployeeBenefitPlanParticipantLoanMaturityYear" name="EmployeeBenefitPlanParticipantLoanMaturityYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2045FundClassR6Member" name="PutnamRetirementAdvantage2045FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanParticipantEmployerPaidCashBonusesPercentage" name="EmployeeBenefitPlanParticipantEmployerPaidCashBonusesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_FairValueInputsLevel1AndLevel2Member" name="FairValueInputsLevel1AndLevel2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanScheduleOfAssetsHeldAtEndOfYearTextBlock" name="EmployeeBenefitPlanScheduleOfAssetsHeldAtEndOfYearTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_PlanDesignatedAgeToWithdrawalsOfEmployerContributionsIfParticipantDiesOrDisabled" name="PlanDesignatedAgeToWithdrawalsOfEmployerContributionsIfParticipantDiesOrDisabled" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="brka_BerkshireHathawayStockPurchaseAccountMember" name="BerkshireHathawayStockPurchaseAccountMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EBP001Member" name="EBP001Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_DFAEmergingMarketsCoreEquityPortfolioInstitutionalClassMember" name="DFAEmergingMarketsCoreEquityPortfolioInstitutionalClassMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_DFAUSSmallCapValuePortfolioInstitutionalClassMember" name="DFAUSSmallCapValuePortfolioInstitutionalClassMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_FidelityDiversifiedInternationalK6FundMember" name="FidelityDiversifiedInternationalK6FundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantage2050FundClassR6Member" name="PutnamRetirementAdvantage2050FundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_PutnamRetirementAdvantageFundClassR6Member" name="PutnamRetirementAdvantageFundClassR6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="brka_EmployeeBenefitPlanAdministrativeExpensesTextBlock" name="EmployeeBenefitPlanAdministrativeExpensesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
