3.20.2 html 1657 400 1 true 177 0 false 14 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.berkshirehathawayenergyco.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1001002 - Statement - Consolidated Balance Sheets - PacifiCorp Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsPacificorp Consolidated Balance Sheets - PacifiCorp Statements 3 false false R4.htm 1001003 - Statement - Consolidated Balance Sheets (Parenthetical) - PacifiCorp Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsParentheticalPacificorp Consolidated Balance Sheets (Parenthetical) - PacifiCorp Statements 4 false false R5.htm 1001004 - Statement - Balance Sheets - MEC Sheet http://www.berkshirehathawayenergyco.com/role/BalanceSheetsMec Balance Sheets - MEC Statements 5 false false R6.htm 1001005 - Statement - Consolidated Balance Sheets Balance Sheets (Parenthetical) - MEC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsBalanceSheetsParentheticalMec Consolidated Balance Sheets Balance Sheets (Parenthetical) - MEC Statements 6 false false R7.htm 1001006 - Statement - Consolidated Balance Sheets - MidAmerican Funding Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsMidamericanFunding Consolidated Balance Sheets - MidAmerican Funding Statements 7 false false R8.htm 1001007 - Statement - Consolidated Balance Sheets - NPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsNpc Consolidated Balance Sheets - NPC Statements 8 false false R9.htm 1001008 - Statement - Consolidated Balance Sheets (Parenthetical) - NPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsParentheticalNpc Consolidated Balance Sheets (Parenthetical) - NPC Statements 9 false false R10.htm 1001009 - Statement - Consolidated Balance Sheets - SPPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsSppc Consolidated Balance Sheets - SPPC Statements 10 false false R11.htm 1001010 - Statement - Consolidated Balance Sheets (Parenthetical) - SPPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsParentheticalSppc Consolidated Balance Sheets (Parenthetical) - SPPC Statements 11 false false R12.htm 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 12 false false R13.htm 1002000 - Statement - Consolidated Statements of Operations Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 13 false false R14.htm 1002001 - Statement - Consolidated Statements of Operations - PacifiCorp Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfOperationsPacificorp Consolidated Statements of Operations - PacifiCorp Statements 14 false false R15.htm 1002002 - Statement - Statements of Operations - MEC Sheet http://www.berkshirehathawayenergyco.com/role/StatementsOfOperationsMec Statements of Operations - MEC Statements 15 false false R16.htm 1002003 - Statement - Consolidated Statements of Operations - MidAmerican Funding Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfOperationsMidamericanFunding Consolidated Statements of Operations - MidAmerican Funding Statements 16 false false R17.htm 1002004 - Statement - Consolidated Statements of Operations - NPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfOperationsNpc Consolidated Statements of Operations - NPC Statements 17 false false R18.htm 1002005 - Statement - Consolidated Statements of Operations - SPPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfOperationsSppc Consolidated Statements of Operations - SPPC Statements 18 false false R19.htm 1003000 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income Statements 19 false false R20.htm 1003501 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical Consolidated Statements of Comprehensive Income (Parenthetical) Statements 20 false false R21.htm 1004000 - Statement - Consolidated Statements of Changes in Equity Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfChangesInEquity Consolidated Statements of Changes in Equity Statements 21 false false R22.htm 1004001 - Statement - Consolidated Statements of Changes in Equity - PacifiCorp Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfChangesInEquityPacificorp Consolidated Statements of Changes in Equity - PacifiCorp Statements 22 false false R23.htm 1004002 - Statement - Statements of Changes in Shareholder's Equity - MEC Sheet http://www.berkshirehathawayenergyco.com/role/StatementsOfChangesInShareholdersEquityMec Statements of Changes in Shareholder's Equity - MEC Statements 23 false false R24.htm 1004003 - Statement - Consolidated Statements of Changes in Member's Equity - MidAmerican Funding Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfChangesInMembersEquityMidamericanFunding Consolidated Statements of Changes in Member's Equity - MidAmerican Funding Statements 24 false false R25.htm 1004004 - Statement - Consolidated Statements of Changes in Equity - NPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfChangesInEquityNpc Consolidated Statements of Changes in Equity - NPC Statements 25 false false R26.htm 1004005 - Statement - Consolidated Statements of Changes in Equity - SPPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfChangesInEquitySppc Consolidated Statements of Changes in Equity - SPPC Statements 26 false false R27.htm 1005000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 27 false false R28.htm 1005001 - Statement - Consolidated Statements of Cash Flows - PacifiCorp Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfCashFlowsPacificorp Consolidated Statements of Cash Flows - PacifiCorp Statements 28 false false R29.htm 1005002 - Statement - Statements of Cash Flows - MEC Sheet http://www.berkshirehathawayenergyco.com/role/StatementsOfCashFlowsMec Statements of Cash Flows - MEC Statements 29 false false R30.htm 1005003 - Statement - Consolidated Statements of Cash Flows - MidAmerican Funding Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfCashFlowsMidamericanFunding Consolidated Statements of Cash Flows - MidAmerican Funding Statements 30 false false R31.htm 1005004 - Statement - Consolidated Statements of Cash Flows - NPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfCashFlowsNpc Consolidated Statements of Cash Flows - NPC Statements 31 false false R32.htm 1005005 - Statement - Consolidated Statements of Cash Flows - SPPC Sheet http://www.berkshirehathawayenergyco.com/role/ConsolidatedStatementsOfCashFlowsSppc Consolidated Statements of Cash Flows - SPPC Statements 32 false false R33.htm 2101100 - Disclosure - General Sheet http://www.berkshirehathawayenergyco.com/role/General General Notes 33 false false R34.htm 2106100 - Disclosure - Business Combination Disclosure Business Combination Disclosure (Notes) Notes http://www.berkshirehathawayenergyco.com/role/BusinessCombinationDisclosureBusinessCombinationDisclosureNotes Business Combination Disclosure Business Combination Disclosure (Notes) Notes 34 false false R35.htm 2107100 - Disclosure - Property, Plant and Equipment, Net Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNet Property, Plant and Equipment, Net Notes 35 false false R36.htm 2108100 - Disclosure - Investments and Restricted Cash and Investments Sheet http://www.berkshirehathawayenergyco.com/role/InvestmentsAndRestrictedCashAndInvestments Investments and Restricted Cash and Investments Notes 36 false false R37.htm 2109100 - Disclosure - Regulatory Matters Sheet http://www.berkshirehathawayenergyco.com/role/RegulatoryMatters Regulatory Matters Notes 37 false false R38.htm 2112100 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosures (Notes) Notes http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosuresNotes Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosures (Notes) Notes 38 false false R39.htm 2114100 - Disclosure - Recent Financing Transactions Sheet http://www.berkshirehathawayenergyco.com/role/RecentFinancingTransactions Recent Financing Transactions Notes 39 false false R40.htm 2115100 - Disclosure - Income Taxes Sheet http://www.berkshirehathawayenergyco.com/role/IncomeTaxes Income Taxes Notes 40 false false R41.htm 2120100 - Disclosure - Employee Benefit Plans Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlans Employee Benefit Plans Notes 41 false false R42.htm 2121100 - Disclosure - Risk Management and Hedging Activities Sheet http://www.berkshirehathawayenergyco.com/role/RiskManagementAndHedgingActivities Risk Management and Hedging Activities Notes 42 false false R43.htm 2122100 - Disclosure - Fair Value Measurements Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurements Fair Value Measurements Notes 43 false false R44.htm 2123100 - Disclosure - Commitments and Contingencies Sheet http://www.berkshirehathawayenergyco.com/role/CommitmentsAndContingencies Commitments and Contingencies Notes 44 false false R45.htm 2124100 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers (Notes) Notes http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersNotes Revenue from Contracts with Customers Revenue from Contracts with Customers (Notes) Notes 45 false false R46.htm 2125100 - Disclosure - Components of Accumulated Other Comprehensive Loss, Net Sheet http://www.berkshirehathawayenergyco.com/role/ComponentsOfAccumulatedOtherComprehensiveLossNet Components of Accumulated Other Comprehensive Loss, Net Notes 46 false false R47.htm 2126100 - Disclosure - Segment Information Sheet http://www.berkshirehathawayenergyco.com/role/SegmentInformation Segment Information Notes 47 false false R48.htm 2129100 - Disclosure - BHE Shareholders' Equity (Notes) Notes http://www.berkshirehathawayenergyco.com/role/BheShareholdersEquityNotes BHE Shareholders' Equity (Notes) Notes 48 false false R49.htm 2212201 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure (Policies) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosurePolicies Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure (Policies) Policies 49 false false R50.htm 2307301 - Disclosure - Property, Plant and Equipment, Net (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetTables Property, Plant and Equipment, Net (Tables) Tables http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNet 50 false false R51.htm 2308301 - Disclosure - Investments and Restricted Cash and Investments (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/InvestmentsAndRestrictedCashAndInvestmentsTables Investments and Restricted Cash and Investments (Tables) Tables http://www.berkshirehathawayenergyco.com/role/InvestmentsAndRestrictedCashAndInvestments 51 false false R52.htm 2312302 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureTables Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure (Tables) Tables http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosuresNotes 52 false false R53.htm 2315301 - Disclosure - Income Taxes (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.berkshirehathawayenergyco.com/role/IncomeTaxes 53 false false R54.htm 2320301 - Disclosure - Employee Benefit Plans (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansTables Employee Benefit Plans (Tables) Tables http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlans 54 false false R55.htm 2321301 - Disclosure - Risk Management and Hedging Activities (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/RiskManagementAndHedgingActivitiesTables Risk Management and Hedging Activities (Tables) Tables http://www.berkshirehathawayenergyco.com/role/RiskManagementAndHedgingActivities 55 false false R56.htm 2322301 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.berkshirehathawayenergyco.com/role/FairValueMeasurements 56 false false R57.htm 2324301 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersTables Revenue from Contracts with Customers Revenue from Contracts with Customers (Tables) Tables http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersNotes 57 false false R58.htm 2325301 - Disclosure - Components of Accumulated Other Comprehensive Loss, Net (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/ComponentsOfAccumulatedOtherComprehensiveLossNetTables Components of Accumulated Other Comprehensive Loss, Net (Tables) Tables http://www.berkshirehathawayenergyco.com/role/ComponentsOfAccumulatedOtherComprehensiveLossNet 58 false false R59.htm 2326301 - Disclosure - Segment Information (Tables) Sheet http://www.berkshirehathawayenergyco.com/role/SegmentInformationTables Segment Information (Tables) Tables http://www.berkshirehathawayenergyco.com/role/SegmentInformation 59 false false R60.htm 2401401 - Disclosure - General (Details) Sheet http://www.berkshirehathawayenergyco.com/role/GeneralDetails General (Details) Details http://www.berkshirehathawayenergyco.com/role/General 60 false false R61.htm 2406402 - Disclosure - Business Combination Disclosure Business Combination Disclosure (Details) Sheet http://www.berkshirehathawayenergyco.com/role/BusinessCombinationDisclosureBusinessCombinationDisclosureDetails Business Combination Disclosure Business Combination Disclosure (Details) Details http://www.berkshirehathawayenergyco.com/role/BusinessCombinationDisclosureBusinessCombinationDisclosureNotes 61 false false R62.htm 2407402 - Disclosure - Property, Plant and Equipment, Net (Details) Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetDetails Property, Plant and Equipment, Net (Details) Details http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetTables 62 false false R63.htm 2407403 - Disclosure - Property, Plant and Equipment, Net - PacifiCorp (Details) Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetPacificorpDetails Property, Plant and Equipment, Net - PacifiCorp (Details) Details 63 false false R64.htm 2407404 - Disclosure - Property, Plant and Equipment, Net Property, Plant and Equipment, Net - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetPropertyPlantAndEquipmentNetMecDetails Property, Plant and Equipment, Net Property, Plant and Equipment, Net - MEC (Details) Details 64 false false R65.htm 2407405 - Disclosure - Property, Plant and Equipment, Net Property, Plant and Equipment, Net - MidAmerican Funding (Details) Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetPropertyPlantAndEquipmentNetMidamericanFundingDetails Property, Plant and Equipment, Net Property, Plant and Equipment, Net - MidAmerican Funding (Details) Details 65 false false R66.htm 2407406 - Disclosure - Property, Plant and Equipment, Net Property, Plant and Equipment, Net - NPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetPropertyPlantAndEquipmentNetNpcDetails Property, Plant and Equipment, Net Property, Plant and Equipment, Net - NPC (Details) Details 66 false false R67.htm 2407407 - Disclosure - Property, Plant and Equipment, Net Property, Plant and Equipment, Net - SPPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/PropertyPlantAndEquipmentNetPropertyPlantAndEquipmentNetSppcDetails Property, Plant and Equipment, Net Property, Plant and Equipment, Net - SPPC (Details) Details 67 false false R68.htm 2408402 - Disclosure - Investments and Restricted Cash and Investments (Details) Sheet http://www.berkshirehathawayenergyco.com/role/InvestmentsAndRestrictedCashAndInvestmentsDetails Investments and Restricted Cash and Investments (Details) Details http://www.berkshirehathawayenergyco.com/role/InvestmentsAndRestrictedCashAndInvestmentsTables 68 false false R69.htm 2409402 - Disclosure - Regulatory Matters Regulatory Matters - SPPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RegulatoryMattersRegulatoryMattersSppcDetails Regulatory Matters Regulatory Matters - SPPC (Details) Details 69 false false R70.htm 2412403 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureDetails Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure (Details) Details http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureTables 70 false false R71.htm 2412404 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosures - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosuresMecDetails Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosures - MEC (Details) Details http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureTables 71 false false R72.htm 2412405 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosures - LLC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosuresLlcDetails Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosures - LLC (Details) Details http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureTables 72 false false R73.htm 2412406 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure - Pacificorp (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosurePacificorpDetails Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure - Pacificorp (Details) Details http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureTables 73 false false R74.htm 2412407 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure - NPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureNpcDetails Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure - NPC (Details) Details http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureTables 74 false false R75.htm 2412408 - Disclosure - Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure - SPPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureSppcDetails Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure - SPPC (Details) Details http://www.berkshirehathawayenergyco.com/role/CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsSupplementalCashFlowDisclosureTables 75 false false R76.htm 2414402 - Disclosure - Recent Financing Transactions Recent Financing Transactions - Long-Term Debt (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RecentFinancingTransactionsRecentFinancingTransactionsLongTermDebtDetails Recent Financing Transactions Recent Financing Transactions - Long-Term Debt (Details) Details 76 false false R77.htm 2414403 - Disclosure - Recent Financing Transactions Recent Financings Transactions - Credit Facilities (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RecentFinancingTransactionsRecentFinancingsTransactionsCreditFacilitiesDetails Recent Financing Transactions Recent Financings Transactions - Credit Facilities (Details) Details 77 false false R78.htm 2414404 - Disclosure - Recent Financing Transactions Recent Financing Transactions - PAC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RecentFinancingTransactionsRecentFinancingTransactionsPacDetails Recent Financing Transactions Recent Financing Transactions - PAC (Details) Details 78 false false R79.htm 2414405 - Disclosure - Recent Financing Transactions Recent Financing Transactions - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RecentFinancingTransactionsRecentFinancingTransactionsMecDetails Recent Financing Transactions Recent Financing Transactions - MEC (Details) Details 79 false false R80.htm 2414406 - Disclosure - Recent Financing Transactions Recent Financing Transactions - NPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RecentFinancingTransactionsRecentFinancingTransactionsNpcDetails Recent Financing Transactions Recent Financing Transactions - NPC (Details) Details 80 false false R81.htm 2414407 - Disclosure - Recent Financing Transactions Recent Financing Transactions - SPPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RecentFinancingTransactionsRecentFinancingTransactionsSppcDetails Recent Financing Transactions Recent Financing Transactions - SPPC (Details) Details 81 false false R82.htm 2415402 - Disclosure - Income Taxes (Details) Sheet http://www.berkshirehathawayenergyco.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.berkshirehathawayenergyco.com/role/IncomeTaxesTables 82 false false R83.htm 2415403 - Disclosure - Income Taxes - PAC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/IncomeTaxesPacDetails Income Taxes - PAC (Details) Details 83 false false R84.htm 2415404 - Disclosure - Income Taxes - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/IncomeTaxesMecDetails Income Taxes - MEC (Details) Details 84 false false R85.htm 2415405 - Disclosure - Income Taxes - MidAmerican Funding (Details) Sheet http://www.berkshirehathawayenergyco.com/role/IncomeTaxesMidamericanFundingDetails Income Taxes - MidAmerican Funding (Details) Details 85 false false R86.htm 2415406 - Disclosure - Income Taxes Income Taxes - SPPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/IncomeTaxesIncomeTaxesSppcDetails Income Taxes Income Taxes - SPPC (Details) Details 86 false false R87.htm 2420402 - Disclosure - Employee Benefit Plans (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansDetails Employee Benefit Plans (Details) Details http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansTables 87 false false R88.htm 2420403 - Disclosure - Employee Benefit Plans - Employer Contributions (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansEmployerContributionsDetails Employee Benefit Plans - Employer Contributions (Details) Details 88 false false R89.htm 2420404 - Disclosure - Employee Benefit Plans Employee Benefit Plans - PacifiCorp (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansEmployeeBenefitPlansPacificorpDetails Employee Benefit Plans Employee Benefit Plans - PacifiCorp (Details) Details 89 false false R90.htm 2420405 - Disclosure - Employee Benefit Plans Employee Benefit Plans - PacifiCorp - Employer Contributions (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansEmployeeBenefitPlansPacificorpEmployerContributionsDetails Employee Benefit Plans Employee Benefit Plans - PacifiCorp - Employer Contributions (Details) Details 90 false false R91.htm 2420406 - Disclosure - Employee Benefit Plans - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansMecDetails Employee Benefit Plans - MEC (Details) Details 91 false false R92.htm 2420407 - Disclosure - Employee Benefit Plans Employee Benefit Plans - MEC - Employer Contributions (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansEmployeeBenefitPlansMecEmployerContributionsDetails Employee Benefit Plans Employee Benefit Plans - MEC - Employer Contributions (Details) Details 92 false false R93.htm 2420408 - Disclosure - Employee Benefit Plans - NPC - Amounts Payable (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansNpcAmountsPayableDetails Employee Benefit Plans - NPC - Amounts Payable (Details) Details 93 false false R94.htm 2420409 - Disclosure - Employee Benefit Plans - SPPC - Amounts Payable (Details) Sheet http://www.berkshirehathawayenergyco.com/role/EmployeeBenefitPlansSppcAmountsPayableDetails Employee Benefit Plans - SPPC - Amounts Payable (Details) Details 94 false false R95.htm 2421402 - Disclosure - Risk Management and Hedging Activities - PacifiCorp - Balance Sheet Location (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RiskManagementAndHedgingActivitiesPacificorpBalanceSheetLocationDetails Risk Management and Hedging Activities - PacifiCorp - Balance Sheet Location (Details) Details 95 false false R96.htm 2421403 - Disclosure - Risk Management and Hedging Activities - PacifiCorp - Not Designated as Hedging Contracts (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RiskManagementAndHedgingActivitiesPacificorpNotDesignatedAsHedgingContractsDetails Risk Management and Hedging Activities - PacifiCorp - Not Designated as Hedging Contracts (Details) Details 96 false false R97.htm 2421404 - Disclosure - Risk Management and Hedging Activities - PacifiCorp - Derivative Contract Volumes (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RiskManagementAndHedgingActivitiesPacificorpDerivativeContractVolumesDetails Risk Management and Hedging Activities - PacifiCorp - Derivative Contract Volumes (Details) Details 97 false false R98.htm 2421405 - Disclosure - Risk Management and Hedging Activities - PacifiCorp - Collateral and Contingent Features (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RiskManagementAndHedgingActivitiesPacificorpCollateralAndContingentFeaturesDetails Risk Management and Hedging Activities - PacifiCorp - Collateral and Contingent Features (Details) Details 98 false false R99.htm 2422402 - Disclosure - Fair Value Measurements (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsDetails Fair Value Measurements (Details) Details http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsTables 99 false false R100.htm 2422403 - Disclosure - Fair Value Measurements - Level 3 (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsLevel3Details Fair Value Measurements - Level 3 (Details) Details 100 false false R101.htm 2422404 - Disclosure - Fair Value Measurements - Debt (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsDebtDetails Fair Value Measurements - Debt (Details) Details 101 false false R102.htm 2422405 - Disclosure - Fair Value Measurements - PacifiCorp (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsPacificorpDetails Fair Value Measurements - PacifiCorp (Details) Details 102 false false R103.htm 2422406 - Disclosure - Fair Value Measurements - PacifiCorp - Debt (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsPacificorpDebtDetails Fair Value Measurements - PacifiCorp - Debt (Details) Details 103 false false R104.htm 2422407 - Disclosure - Fair Value Measurements - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsMecDetails Fair Value Measurements - MEC (Details) Details 104 false false R105.htm 2422409 - Disclosure - Fair Value Measurements - MEC - Debt (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsMecDebtDetails Fair Value Measurements - MEC - Debt (Details) Details 105 false false R106.htm 2422410 - Disclosure - Fair Value Measurements - MidAmerican Funding - Debt (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsMidamericanFundingDebtDetails Fair Value Measurements - MidAmerican Funding - Debt (Details) Details 106 false false R107.htm 2422411 - Disclosure - Fair Value Measurements - NPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsNpcDetails Fair Value Measurements - NPC (Details) Details 107 false false R108.htm 2422412 - Disclosure - Fair Value Measurements - NPC - Level 3 (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsNpcLevel3Details Fair Value Measurements - NPC - Level 3 (Details) Details 108 false false R109.htm 2422413 - Disclosure - Fair Value Measurements - NPC - Debt (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsNpcDebtDetails Fair Value Measurements - NPC - Debt (Details) Details 109 false false R110.htm 2422414 - Disclosure - Fair Value Measurements Fair Value Measurements - SPPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsFairValueMeasurementsSppcDetails Fair Value Measurements Fair Value Measurements - SPPC (Details) Details 110 false false R111.htm 2422415 - Disclosure - Fair Value Measurements - SPPC - Debt (Details) Sheet http://www.berkshirehathawayenergyco.com/role/FairValueMeasurementsSppcDebtDetails Fair Value Measurements - SPPC - Debt (Details) Details 111 false false R112.htm 2423401 - Disclosure - Commitments and Contingencies - Commitments (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CommitmentsAndContingenciesCommitmentsDetails Commitments and Contingencies - Commitments (Details) Details 112 false false R113.htm 2423405 - Disclosure - Commitments and Contingencies Commitments and Contingencies - PacifiCorp - Hydroelectric (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesPacificorpHydroelectricDetails Commitments and Contingencies Commitments and Contingencies - PacifiCorp - Hydroelectric (Details) Details 113 false false R114.htm 2423406 - Disclosure - Commitments and Contingencies Commitments and Contingencies - MEC- Commitments (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesMecCommitmentsDetails Commitments and Contingencies Commitments and Contingencies - MEC- Commitments (Details) Details 114 false false R115.htm 2423407 - Disclosure - Commitments and Contingencies Commitments and Contingencies - MEC - Transmission Rates (Details) Sheet http://www.berkshirehathawayenergyco.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesMecTransmissionRatesDetails Commitments and Contingencies Commitments and Contingencies - MEC - Transmission Rates (Details) Details 115 false false R116.htm 2424402 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDetails Revenue from Contracts with Customers Revenue from Contracts with Customers (Details) Details http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersTables 116 false false R117.htm 2424403 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - Real Estate Services (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersRealEstateServicesDetails Revenue from Contracts with Customers Revenue from Contracts with Customers - Real Estate Services (Details) Details 117 false false R118.htm 2424404 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - Remaining Performance Obligation (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersRemainingPerformanceObligationDetails Revenue from Contracts with Customers Revenue from Contracts with Customers - Remaining Performance Obligation (Details) Details 118 false false R119.htm 2424405 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - PAC - Customer Revenue (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersPacCustomerRevenueDetails Revenue from Contracts with Customers Revenue from Contracts with Customers - PAC - Customer Revenue (Details) Details 119 false false R120.htm 2424406 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersMecDetails Revenue from Contracts with Customers Revenue from Contracts with Customers - MEC (Details) Details http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersTables 120 false false R121.htm 2424407 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - LLC - Customer Revenue (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersLlcCustomerRevenueDetails Revenue from Contracts with Customers Revenue from Contracts with Customers - LLC - Customer Revenue (Details) Details 121 false false R122.htm 2424408 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - NPC - Customer Revenue (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersNpcCustomerRevenueDetails Revenue from Contracts with Customers Revenue from Contracts with Customers - NPC - Customer Revenue (Details) Details 122 false false R123.htm 2424409 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - SPPC - Customer Revenue (Details) Sheet http://www.berkshirehathawayenergyco.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersSppcCustomerRevenueDetails Revenue from Contracts with Customers Revenue from Contracts with Customers - SPPC - Customer Revenue (Details) Details 123 false false R124.htm 2425402 - Disclosure - Components of Accumulated Other Comprehensive Loss, Net (Details) Sheet http://www.berkshirehathawayenergyco.com/role/ComponentsOfAccumulatedOtherComprehensiveLossNetDetails Components of Accumulated Other Comprehensive Loss, Net (Details) Details http://www.berkshirehathawayenergyco.com/role/ComponentsOfAccumulatedOtherComprehensiveLossNetTables 124 false false R125.htm 2425403 - Disclosure - Components of Accumulated Other Comprehensive Loss, Net - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/ComponentsOfAccumulatedOtherComprehensiveLossNetMecDetails Components of Accumulated Other Comprehensive Loss, Net - MEC (Details) Details http://www.berkshirehathawayenergyco.com/role/ComponentsOfAccumulatedOtherComprehensiveLossNetTables 125 false false R126.htm 2426402 - Disclosure - Segment Information (Details) Sheet http://www.berkshirehathawayenergyco.com/role/SegmentInformationDetails Segment Information (Details) Details http://www.berkshirehathawayenergyco.com/role/SegmentInformationTables 126 false false R127.htm 2426403 - Disclosure - Segment Information - Goodwill (Details) Sheet http://www.berkshirehathawayenergyco.com/role/SegmentInformationGoodwillDetails Segment Information - Goodwill (Details) Details 127 false false R128.htm 2426404 - Disclosure - Segment Information Segment Information - MEC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/SegmentInformationSegmentInformationMecDetails Segment Information Segment Information - MEC (Details) Details 128 false false R129.htm 2426405 - Disclosure - Segment Information Segment Information - MidAmerican Funding (Details) Sheet http://www.berkshirehathawayenergyco.com/role/SegmentInformationSegmentInformationMidamericanFundingDetails Segment Information Segment Information - MidAmerican Funding (Details) Details 129 false false R130.htm 2426406 - Disclosure - Segment Information Segment Information - SPPC (Details) Sheet http://www.berkshirehathawayenergyco.com/role/SegmentInformationSegmentInformationSppcDetails Segment Information Segment Information - SPPC (Details) Details 130 false false R131.htm 2429402 - Disclosure - BHE Shareholders' Equity (Details) Sheet http://www.berkshirehathawayenergyco.com/role/BheShareholdersEquityDetails BHE Shareholders' Equity (Details) Details http://www.berkshirehathawayenergyco.com/role/BheShareholdersEquityNotes 131 false false All Reports Book All Reports bhe-20200630.xml bhe-20200630.xsd bhe-20200630_cal.xml bhe-20200630_def.xml bhe-20200630_lab.xml bhe-20200630_pre.xml http://fasb.org/srt/2019-01-31 http://xbrl.sec.gov/dei/2018-01-31 http://xbrl.sec.gov/stpr/2018-01-31 http://xbrl.sec.gov/country/2017-01-31 http://fasb.org/us-gaap/2019-01-31 true true