Defined benefit plan, expected contributions in current fiscal year Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year Commodity derivatives Commodity Contract [Member] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Residential Residential [Member] Residential [Domain] Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Number of mass complaints Loss Contingency, Number Of Complaints Loss Contingency, Number Of Complaints New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Development rights, payment period Results Of Operations, Oil And Gas Producing Activities, Payment Period Results Of Operations, Oil And Gas Producing Activities, Payment Period Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Goodwill [Line Items] Goodwill [Line Items] Utility generation, transmission and distribution systems Utility Generation, Distribution and Transmission System [Member] Long-Lived, depreciable assets used for the primary purpose of generating, distributing and transmitting electricity and natural gas to the consumer. Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Measurement Basis [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Preferred dividends Payments of Ordinary Dividends, Preferred Stock and Preference Stock Shale development rights gain Results Of Operations, Oil And Gas Producing Activities, Gain (Loss), Before Tax Results Of Operations, Oil And Gas Producing Activities, Gain (Loss), Before Tax Total assets held for sale Disposal Group, Including Discontinued Operation, Assets Adjustment to Compensation, Amount Adjustment to Compensation Amount Pension Plan Pension Plan [Member] Depreciation and amortization Utilities Operating Expense, Depreciation and Amortization Employee Stock Option Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Customer Refund Customer Refund [Member] Customer Refund Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] MEC MidAmerican Energy Company and Subsidiaries [Member] MidAmerican Energy Company and Subsidiaries [Member] Plant, net Public Utilities, Property, Plant And Equipment, Net, Excluding Construction Work In Progress Public Utilities, Property, Plant And Equipment, Net, Excluding Construction Work In Progress Dividends declared Dividends, Common Stock, Cash Total BHE shareholder's equity Balance Balance Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Recurring Fair Value, Recurring [Member] Brokerage Residential real estate brokerage [Member] Residential real estate brokerage [Member] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Mortgage loans held for sale Accounts and Financing Receivables, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance State State and Local Jurisdiction [Member] Cover [Abstract] Money market mutual funds Cash and Cash Equivalents, Fair Value Disclosure Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Dispositions Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Gas storage Regulated Retail Gas Storage [Member] Regulated Retail Gas Storage Maximum Maximum [Member] Interstate natural gas transmission assets Gas Transmission Equipment [Member] Property, Plant and Equipment, Net [Abstract] Property, Plant and Equipment, Net [Abstract] Useful life, generation Public Utilities, Property, Plant and Equipment, Generation, Useful Life Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Surety Facility Surety Facility [Member] Surety Facility Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Commercial Commercial [Member] Commercial [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income tax expense (benefit) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Changes included in earnings Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings Loss Contingency, Nature [Axis] Loss Contingency Nature [Axis] Cost of gas Cost Of Gas Sold (Excess) Cost Of Gas Sold (Excess) Cash collateral receivable Cash Collateral, Net Receivable (Payable), Offset Against Derivative Positions The net amount of the rights to reclaim, or the obligations to return, cash collateral under master netting arrangements that have been offset against derivative instrument positions as of the balance sheet date. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating segments Operating Segments [Member] Schedule of Cash and Cash Equivalents Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Letter of credit Letter of Credit [Member] Distributions to noncontrolling interests Payments to Noncontrolling Interests Electric Electricity, Regulated, Segment [Member] Electricity, Regulated, Segment Nontaxable or nondeductible items: Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent [Abstract] Net gains recognized on marketable securities sold during the period Marketable Security, Realized Gain (Loss) Document Fiscal Period Focus Document Fiscal Period Focus Regulated transmission and distribution Regulated transmission and distribution [Member] Regulated transmission and distribution [Member] Notional Amount, By Type [Axis] Notional Amount, By Type [Axis] Information by type of commodity that identifies the notional amount of a derivative or a group of derivatives. Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type Award Type [Axis] Parent Company Parent Company [Member] Utility Plant [Domain] Utility Plant [Domain] Equity Method Investee, Name [Domain] Investment, Name [Domain] Member Interests Member Units [Member] Entity Address, City or Town Entity Address, City or Town Effect of exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Other current assets Investments, Including Equity Method Investments And Restricted Cash and Investments, Current Investments, Including Equity Method Investments And Restricted Cash and Investments, Current Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Net repayments of short-term debt Net repayment of short-term debt Proceeds from (Repayments of) Short-Term Debt Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Damages awarded Loss Contingency, Damages Awarded, Value Regulatory Agency [Axis] Regulatory Agency [Axis] Entity Emerging Growth Company Entity Emerging Growth Company Investments and Restricted Cash and Cash Equivalents and Investments Investments, including equity method and restricted cash and investments [Text Block] The entire disclosure for investments and restricted cash and investments. It contains: (a) investments in debt and equity securities categorized as available-for-sale securities and reported at fair value, (b) restricted cash and investments primarily related to funds held in trust for nuclear decommissioning and debt service reserve requirements that are restricted by certain project debt agreements to be used only for the related project, (c) equity method investments and (d) Rabbi trusts that hold corporate-owned life insurance on certain key executives and directors and represents the cash surrender value, net of any amounts borrowed against the cash surrender value. Other adjustments: Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount [Abstract] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Restricted cash and cash equivalents Restricted Cash and Cash Equivalent Accumulated depreciation and amortization Disposal Group, Including Discontinued Operation, Property, Plant And Equipment, Accumulated Depreciation Disposal Group, Including Discontinued Operation, Property, Plant And Equipment, Accumulated Depreciation Fair Value, Assets (Liabilities), Net, Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets (Liabilities), Net, Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Distributions to parent Payments of Distributions to Affiliates Common stock, shares outstanding (in shares) Balance (shares) Balance (shares) Common Stock, Shares, Outstanding Investments and restricted cash and cash equivalents Restricted cash and cash equivalents Other current assets Investments, Including Equity Method Investments And Restricted Cash And Cash Equivalents, Current Carrying amount of investments in debt and equity securities categorized as available-for-sale securities, reported at fair value and expected to be used in operations within one year or the normal operating cycle, if longer. Includes restricted cash and investments primarily related to (a) funds held in trust for nuclear decommissioning and (b) debt service requirements that are restricted by certain project debt agreements to be used only for the related project. Includes equity method investments. Includes Rabbi trusts that hold corporate-owned life insurance on certain key executives and directors and represents the cash surrender value, net of any amounts borrowed against the cash surrender value. Other Investments, Other [Member] Represents other investments which may include available-for-sale and cost method investments. Cash and Cash Equivalents and Restricted Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents and Restricted Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents and Restricted Cash and Cash Equivalents [Abstract] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] NPC Pollution Control Refunding Revenue Bonds, 4.125%, Series 2017A, Due 2032 NPC Pollution Control Refunding Revenue Bonds, 4.125%, Series 2017A, Due 2032 [Member] NPC Pollution Control Refunding Revenue Bonds, 4.125%, Series 2017A, Due 2032 Other assets Assets for Plan Benefits, Defined Benefit Plan Proceeds from senior debt Proceeds from Issuance of Senior Long-Term Debt Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Contributions Adjustments to Additional Paid in Capital, Contributions from Parent Adjustments to Additional Paid in Capital, Contributions from Parent Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Multiplier Loss Contingency, Damages Awarded, Multiplier Loss Contingency, Damages Awarded, Multiplier Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax expense (benefit) Total Income Tax Expense (Benefit) Unrealized gains (losses) on cash flow hedges, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax First Mortgage Bonds, 4.65%, Due 2029 First Mortgage Bonds, 4.65%, Due 2029 [Member] First Mortgage Bonds, 4.65%, Due 2029 Document Information [Line Items] Document Information [Line Items] Preferred stock, shares issued Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Wholesale Regulated Wholesale [Member] Regulated wholesale [Member] Unrealized gains (losses) on cash flow hedges, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Long-Term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Property, plant and equipment Property, Plant and Equipment, Gross Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Fair Value, Information By Class of Asset (Liability), Net [Axis] Fair Value, Information By Class of Asset (Liability), Net [Axis] Information by class of asset and liability on a net basis. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Current assets Investments, Including Restricted Cash and Cash Equivalents, Current Investments, Including Restricted Cash and Cash Equivalents, Current Net cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Debt term Debt Instrument, Term Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Depreciable life Property, Plant and Equipment, Useful Life Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent event Subsequent Event [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Money market mutual funds Money Market Funds [Member] Number of states owned and operated utility companies serve customers Number Of States Owned And Operated, Utility Companies Number of states owned and operated utility companies serve customers. Depreciation and amortization Depreciation and Amortization Energy Operations The current period expense charged against earnings on long-lived, physical assets used in energy operations that are not intended for resale and to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Noncontrolling Interest AOCI Attributable to Noncontrolling Interest [Member] Regulatory liabilities Regulatory Liability, Noncurrent Entity Address, State or Province Entity Address, State or Province Earnings on common shares Undistributed Earnings (Loss) Available to Common Shareholders, Diluted Dividends declared Dividends, Common Stock Investments and Restricted Cash and Investments [Table] Investments Including Equity Method And Restricted Cash and Investments [Table] Disclosure for investments and restricted cash and investments. It contains: (a) investments in debt and equity securities categorized as available-for-sale securities and reported at fair value, (b) restricted cash and investments primarily related to funds held in trust for nuclear decommissioning and debt service reserve requirements that are restricted by certain project debt agreements to be used only for the related project, (c) equity method investments and (d) Rabbi trusts that hold corporate-owned life insurance on certain key executives and directors and represents the cash surrender value, net of any amounts borrowed against the cash surrender value. Total current liabilities Liabilities, Current Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-Term Purchase Commitment, Category of Item Purchased [Domain] Individual: Individual [Axis] Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Accounting Changes and Error Corrections [Abstract] Dividends paid Payments of Ordinary Dividends, Common Stock Natural gas purchases Natural Gas Purchases [Member] Derivative instrument involving a notional amount of natural gas purchases (in decatherms). Natural gas transportation services Natural gas distribution, transportation-only services [Member] Natural gas distribution, transportation-only services [Member] Net regulatory asset (liability) on derivative contracts Beginning balance Ending balance Net Regulatory Asset (Liability), Unrealized Loss (Gain) On Derivative Contracts The net amount of regulatory assets and liabilities as of the balance sheet date representing the net effective portion of unrealized losses and gains on derivatives not designated as hedging instruments and used for domestic regulated operations. Unrealized losses and gains on derivatives used for domestic regulated operations are generally recorded as regulatory assets or liabilities due to the realized losses and gains on such derivatives being included in regulated rates. Cove Point LNG, LP Cove Point LNG, LP [Member] Cove Point LNG, LP [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Changes in fair value recognized in regulatory assets Changes In Fair Value Derivatives Recognized In Regulatory Assets Or Liabilities, Net The net change during the period recognized in regulatory assets and liabilities related to derivatives not designated as hedging instruments and used for domestic regulated operations as a result of changes in the fair value of those derivatives. Regulated natural gas Natural Gas, US Regulated [Member] Repayments of senior debt Repayments of long-term debt Repayments of debt Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current Number of owned and operated residential real estate brokerage franchise networks in the United States Number of Owned And Operated Real Estate Franchise Networks In The United States Represents the number of owned and operated real estate franchise networks In the United States. 2020 Wildfires 2020 Wildfires [Member] 2020 Wildfires Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Schedule of Effective Income Tax Rate Reconciliation [Line Items] Schedule of Effective Income Tax Rate Reconciliation [Line Items] Schedule of Effective Income Tax Rate Reconciliation [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Contributions from parent Proceeds from Contributions from Parent Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Ownership [Domain] Ownership [Domain] Other assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Accrued interest Interest Payable, Current Entity Central Index Key Entity Central Index Key PEO Name PEO Name Revenues Operating revenue Operating revenue Revenues Natural Gas Natural Gas, Regulated, Segment [Member] Natural Gas, Regulated, Segment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount PacifiCorp Assets and Liabilities Disposal PacifiCorp Assets And Liabilities Disposal [Member] PacifiCorp Assets And Liabilities Disposal Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Derivative asset, offset Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset Nontaxable or nondeductible items: Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract] BHE and Other Berkshire Hathaway Energy And Other [Member] Represents remaining differences between the segment amounts and the consolidated amounts and relates principally to intersegment eliminations for operating revenue and, for the other items presented, to (a) corporate functions, including administrative costs, interest expense, corporate cash and investments and related interest income and (b) intersegment eliminations. Schedule of Derivative Instruments in Statement of Financial Position, Fair Value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Total retail Fully bundled and distribution services only customer [Member] Fully bundled and distribution services only customer [Member] Electricity sales, net Derivative, Nonmonetary Notional Amount, Energy Measure Common stock, no par value (in dollars per share) Common Stock, No Par Value U.S. federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Changes in fair value recognized in regulatory assets Fair Value, Measurements with Unobservable Inputs Reconciliation, Recurring Basis, Gain (Loss) Included In Regulatory Assets and Liabilities, Net Amount of gain (loss) recognized in regulatory assets or liabilities, net, arising from assets, liabilities and financial instruments classified in shareholders' equity measured at fair value on a recurring basis using unobservable inputs (level 3). Consideration Disposal Group, Including Discontinued Operation, Consideration Loss contingency accrual, provision Loss Contingency Accrual, Provision Long-term debt Long-Term Debt, Excluding Current Maturities Nonrelated party Nonrelated Party [Member] Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Customer deposits Bank Time Deposits [Member] NPC Nevada Power Company [Member] Represents Nevada Power Company. Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Accumulated Other Comprehensive (Loss) Income, Net Accumulated Other Comprehensive Loss, Net AOCI Attributable to Parent [Member] Investment Type Categorization [Domain] Investments [Domain] BHE and Other Corporate and Eliminations [Member] Corporate and Eliminations Ownership [Axis] Ownership [Axis] MidAmerican Energy Company Retirement Plan MidAmerican Energy Company Retirement Plan [Member] MidAmerican Energy Company Retirement Plan Risk Management and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Unrecognized Amounts on Retirement Benefits Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Fair Value as of Grant Date Award Grant Date Fair Value Held-for-Sale Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Beginning balance Ending balance Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset (Liability), Net, Value This element represents assets and liabilities, net measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Total operating expenses Costs and Expenses Document Quarterly Report Document Quarterly Report Deferred income taxes and investment tax credits, net Deferred income taxes Deferred Income Taxes and Tax Credits Long-term debt, fair value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Investment Type [Axis] Investment Type [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Utility plant in-service Utility plant in-service Public Utilities, Property, Plant And Equipment, Plant In Service, Excluding Construction Work In Progress Public Utilities, Property, Plant And Equipment, Plant In Service, Excluding Construction Work In Progress Non-PEO NEO Non-PEO NEO [Member] NV Energy, Inc. NV Energy, Inc. [Member] Represents NV Energy, Inc. and its subsidiaries. Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Assets held for sale: Disposal Group, Including Discontinued Operation, Assets [Abstract] All Award Types Award Type [Domain] Real estate Residential real estate brokerage and mortgage businesses [Member] Represents residential real estate brokerage and mortgage businesses. [Member] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Other, net Other, net Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Effect of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada CANADA Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Subsidiary junior subordinated debt Junior subordinated debt Junior Subordinated Notes, Noncurrent Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Retail Regulated retail [Member] Regulated retail [Member] Foreign currency exchange rate derivatives Foreign currency exchange rate derivatives Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Contract liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Fair Value Estimate of Fair Value Measurement [Member] Government grant, asset decrease Government Assistance, Asset, Decrease Fair Value Assets (Liabilities), Net, Measured On Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value Assets (Liabilities), Net, Measured On Recurring Basis, Unobservable Input Reconciliation [Table] Schedule of information required and determined to be provided for purposes of reconciling beginning and ending balances of fair value measurements of assets and liabilities, net using significant unobservable inputs (level 3). Such reconciliation, separately presenting changes during the period, at a minimum, may include, but is not limited to: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), gains or losses recognized in other comprehensive income and gains or losses recognized in net regulatory assets and liabilities, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. Retirement Plan Type [Domain] Retirement Plan Type [Domain] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Foreign regulated flow-thru Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Operating revenue: Revenues [Abstract] Property, plant and equipment, gross Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Gross Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Gross HomeServices antitrust cases Antitrust [Member] Antitrust Reflected as: Investments, Including Equity Method And Restricted Cash and Investments Classification [Abstract] Investments, Including Equity Method And Restricted Cash and Investments Classification Proceeds from junior subordinated debt Proceeds from Issuance of Subordinated Long-Term Debt Accumulated other comprehensive loss, net Accumulated Other Comprehensive Income (Loss), Net of Tax Long-Term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Financial Instruments [Domain] Financial Instruments [Domain] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Liabilities held for sale: Disposal Group, Including Discontinued Operation, Liabilities [Abstract] Other, net Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Transmission Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Transmission Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Transmission Amortization of net power cost deferrals Amortization of deferred energy Amortization Income (Expense) Of Deferred Energy Amortization Income (Expense) Of Deferred Energy Inventories Inventory, Net Other adjustments: Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent [Abstract] Minimum Minimum [Member] Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Instruments [Line Items] Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Instruments [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Useful life, distribution Public Utilities, Property, Plant and Equipment, Distribution, Useful Life Other assets Disposal Group, Including Discontinued Operation, Other Assets Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Restricted Cash and Investments [Axis] Restricted Cash and Investments [Axis] Information by category of cash and investment items which are restricted as to withdrawal or usage. Distribution Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Distribution Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Distribution Recent Financing Transactions Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Investments and Restricted Cash and Investments [Abstract] Investments and Restricted Cash and Investments [Abstract] Investments and Restricted Cash and Investments [Abstract] Accounts payable Accounts Payable, Current Other restricted cash and cash equivalents Restricted Cash and Investments, Other [Member] Represents other restricted cash and investments. Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Generation Public Utilities, Property, Plant and Equipment, Generation or Processing Gains on other items, net Gains on other items, net Other Nonrecurring (Income) Expense Wildfires liabilities Loss Contingency, Accrual, Noncurrent Goodwill [Roll Forward] Goodwill [Roll Forward] Total derivatives - net basis Derivative Assets (Liabilities), at Fair Value, Net Distribution Public Utilities, Property, Plant and Equipment, Distribution Segment Information Segment Reporting, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Fair Value of Derivative Asset (Liability) Reconciliation Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Underlying Securities Award Underlying Securities Amount Repayments of subsidiary debt Repayments of long-term debt Repayments of Other Long-Term Debt Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Derivative collateral, net Increase (Decrease) in Counterparty Collateral, Net The increase (decrease) during the reporting period in cash placed with or received from a broker or counterparty. Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Income Taxes Income Tax Disclosure [Text Block] United Kingdom UNITED KINGDOM Independent power plants Independent Power Plants [Member] Long-lived, depreciable assets of independent power plants used for the primary purpose of generating electricity. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Derivative, net liability position, aggregate fair value Derivative, Net Liability Position, Aggregate Fair Value Generation Electricity Generation Plant, Non-Nuclear [Member] Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Trade receivables and other assets Increase (Decrease) in Accounts Receivable and Other Operating Assets Subsidiary debt Subsidiary Debt [Member] Represents Subsidiary Debt [Member] Construction work-in-progress Disposal Group, Including Discontinued Operation, Property, Plant And Equipment, Construction Work In Progress Disposal Group, Including Discontinued Operation, Property, Plant And Equipment, Construction Work In Progress Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Product and Service [Axis] Product and Service [Axis] Total Customer Revenue Revenue from Contract with Customer, Excluding Assessed Tax Litigation Status [Domain] Litigation Status [Domain] Accumulated depreciation and amortization Accumulated depreciation and amortization Public Utilities, Property, Plant and Equipment, Accumulated Depreciation Number of owned and operated interstate natural gas pipeline companies in the United States Number Of Owned And Operated Interstate Natural Gas Pipeline Companies, United States Number of owned and operated interstate natural gas pipeline companies in the United States. Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Regulated electric Electricity, US Regulated [Member] Loss contingency accrual Beginning balance Ending balance Loss Contingency Accrual Net power cost deferrals Deferred energy Deferred Energy Change Deferred Energy Change Other receivables, net Receivables from affiliates Other Receivables, Net, Current LNG facility LNG Facility [Member] LNG Facility Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Regulatory assets Regulatory Asset, Current Total other comprehensive (loss) income, net of tax Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Energy-related tax credits Energy-related tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Energy-Related, Amount Investments And Restricted Cash And Investments [Line Items] Investments, Including Equity Method And Restricted Cash And Investments [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Multi-value transmission projects Electricity Transmission [Member] Electricity Transmission [Member] Insurance offset Loss Contingency, Damages Awarded, Insurance Offset Loss Contingency, Damages Awarded, Insurance Offset Level 1 Fair Value, Inputs, Level 1 [Member] Repayment of notes receivable by affiliates Repayment of Notes Receivable from Related Parties Trade receivables, net Accounts Receivable, after Allowance for Credit Loss, Current AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Texas State Law Antitrust Claims Texas State Law Antitrust Claims [Member] Texas State Law Antitrust Claims Consolidation Items [Domain] Consolidation Items [Domain] James case, mass complaints James Case, Multnomah County Circuit Court, Oregon, Mass Complaints [Member] James Case, Multnomah County Circuit Court, Oregon, Mass Complaints Prepaid expenses Increase (Decrease) in Prepaid Expense Other Equity Method Investments, Other [Member] Represents other equity method investments not otherwise identified. Industrial Industrial [Member] Industrial [Member] Restricted cash and cash equivalents and investments Cash and Investments, Restricted Cash and investments whose use in whole or in part is restricted, generally by legal requirements, loan agreements or other contractual provisions. Federal Domestic Tax Jurisdiction [Member] Regulatory Liability [Domain] Regulatory Liability [Domain] Other equity transactions Other equity transactions Stockholders' Equity, Other Commodity Commodity [Member] Other, net Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] SPPC Sierra Pacific Power Company [Member] Represents Sierra Pacific Power Company. James case, initial trial James Case, Multnomah County Circuit Court, Oregon, Initial Trial [Member] James Case, Multnomah County Circuit Court, Oregon, Initial Trial Number of owned and operated electricity distribution companies in Great Britain Number Of Owned And Operated Electricity Distribution Companies, Great Britain Number of owned and operated electricity distribution companies in Great Britain. Assets held for sale Disposal Group, Including Discontinued Operation, Assets, Current Accrued employee expenses Employee-related Liabilities, Current Property, Plant and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Letter of Credit Facility, Expiring 2028 Letter Of Credit Facility, Expiring 2028 [Member] Letter Of Credit Facility, Expiring 2028 Distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Allowance for equity funds Allowance for equity funds Increase (Decrease) in Allowance for Equity Funds Used During Construction Expiration Date Trading Arrangement Expiration Date Variable interest entity, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Noncontrolling interest Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent Equity: Shareholder's equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Interest rate reset period Debt Instrument, Interest Rate Reset Period Debt Instrument, Interest Rate Reset Period Entity Current Reporting Status Entity Current Reporting Status Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Revenue from External Customers by Products and Services [Table] Segment Reporting, Revenue from External Customer, Product and Service [Table] Consolidated Entities [Domain] Consolidated Entities [Domain] U.S. federal statutory income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Commodity derivatives Commodity liabilities Derivative liability, gross Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement Foreign Currency Translation Adjustment Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Other Operating Liabilities Asset retirement obligations Asset Retirement Obligations, Noncurrent State and local income taxes, net of federal income tax Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Wildfires liabilities Estimated loss accrual, current Loss Contingency, Accrual, Current Proceeds from long-term debt Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Junior Subordinated Debt, 6.375%, Due 2056 Fixed-to-Fixed Reset Rate, Junior Subordinated Notes, 6.375%, Due 2056 [Member] Fixed-to-Fixed Reset Rate, Junior Subordinated Notes, 6.375%, Due 2056 Derivative liability Derivative Liability Effects of ratemaking Effective Income Tax Rate Reconciliation, Effects Of Ratemaking, Amount Effective Income Tax Rate Reconciliation, Effects Of Ratemaking, Amount Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Interest rate derivatives Interest Rate Contract [Member] Regulatory liability, additions Regulatory Liability, Additions Regulatory Liability, Additions Trade receivables, net Trade receivables, net Receivables, Net, Current Distributions received from investments Proceeds from Equity Method Investment, Distribution Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Proceeds from sales of marketable securities Proceeds from Sale and Maturity of Marketable Securities Membership interests Members' Capital Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Net cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Useful life, common general Public Utilities, Property, Plant and Equipment, Common, Useful Life Total derivative asset (liability) Derivative, Fair Value, Net Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Cost of sales Cost of fuel and energy Cost of Product and Service Sold Disposal Group Classification [Domain] Disposal Group Classification [Domain] Shale development rights, gain after-tax Results Of Operations, Oil And Gas Producing Activities, Gain (Loss), After Tax Results Of Operations, Oil And Gas Producing Activities, Gain (Loss), After Tax Derivative, nonmonetary notional amount Derivative, Nonmonetary Notional Amount First Mortgage Bonds, 5.45%, Due 2033 First Mortgage Bonds, 5.45%, Due 2033 [Member] First Mortgage Bonds, 5.45%, Due 2033 Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Unrealized Losses on Cash Flow Hedges Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] First Mortgage Bonds, 5.80%, Due 2036 First Mortgage Bonds, 5.80%, Due 2036 [Member] First Mortgage Bonds, 5.80%, Due 2036 Common stock, shares issued (in shares) Common Stock, Shares, Issued Notional Amounts of Outstanding Derivative Positions [Line Items] Notional Amounts of Outstanding Derivative Positions [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. MidAmerican Energy Pension Plan MidAmerican Energy Pension Plan [Member] MidAmerican Energy Pension Plan Damages Type [Domain] Damages Type [Domain] Damages Type [Domain] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Interest expense Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Useful life, transmission Public Utilities, Property, Plant and Equipment, Transmission, Useful Life Total Shareholder Return Amount Total Shareholder Return Amount MidAmerican Funding MidAmerican Funding [Member] Represents MidAmerican Funding, LLC and its subsidiaries, which primarily consists of MidAmerican Energy Company Capitalized interest Allowance for borrowed funds Capitalized Interest Capitalized Interest Loss Contingencies [Line Items] Loss Contingencies [Line Items] Other Regulated common assets Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Fair Value, Information By Class of Asset (Liability), Net [Domain] Fair Value, Information By Class of Asset (Liability), Net [Domain] Information by class of asset and liability on a net basis. Customer deposits Customer And Security Deposits, Current Customer And Security Deposits, Current Other Pension Plan Other Pension Plan [Member] Construction commitment Capital Addition Purchase Commitments [Member] Unrealized losses recognized on marketable securities held at the reporting date Marketable Security, Unrealized Gain (Loss) Regulated and Unregulated Operation [Domain] Regulated and Unregulated Operation [Domain] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Preferred dividends Preferred stock dividend Dividends, Preferred Stock Iroquois Gas Transmission System, L.P. Iroquois Gas Transmission System L.P. [Member] Iroquois Gas Transmission System L.P. [Member] Prepaid expenses Prepayments and other deferred charges Prepaid Expense, Current Other current liabilities Other Liabilities, Current Other long-term liabilities Employee benefit plan liability, noncurrent Liability, Defined Benefit Plan, Noncurrent HomeServices HomeServices [Member] Represents HomeServices of America, Inc. and its subsidiaries. Statement [Line Items] Statement [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Common Stock Common Stock [Member] Energy: Costs and Expenses Energy Operations [Abstract] -- None. No documentation exists for this element. -- Wildfires Wildfires [Member] Wildfires Net change in cash and cash equivalents and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Amounts due to affiliate Notes Payable, Current Statistical Measurement [Domain] Statistical Measurement [Domain] Other current assets Other Current Assets [Member] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Property, plant and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Corporate obligations Debt Security, Corporate, US [Member] Foreign Plan Foreign Plan [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Judicial ruling Judicial Ruling [Member] Other assets Other noncurrent assets Other Noncurrent Assets [Member] Wildfires liability Increase (Decrease) In Loss Contingency Liability Increase (Decrease) In Loss Contingency Liability Equity income (loss) Equity income (loss) Income (Loss) from Equity Method Investments Schedule of Assets and Liabilities Held for Sale Disposal Groups, Including Discontinued Operations [Table Text Block] Multiemployer Plan Name [Axis] Retirement Plan Name [Axis] Cash collateral, percentage of obligation Debt Instrument, Termination, Cash Collateral, Percentage Of Obligation Debt Instrument, Termination, Cash Collateral, Percentage Of Obligation Schedule of Loss Contingencies by Contingency Schedule of Loss Contingencies by Contingency [Table Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Liabilities: Liabilities, Fair Value Disclosure [Abstract] U.S. Treasury Bills US Treasury Bill Securities [Member] Additional collateral, aggregate fair value Additional Collateral, Aggregate Fair Value Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Total other comprehensive (loss) income, net of tax Other comprehensive income (loss) Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Short-term debt Short-Term Debt Performance obligations expected to be satisfied Revenue, Remaining Performance Obligation, Amount Regulation Status [Axis] Regulation Status [Axis] Quad Cities Station nuclear decommissioning trust funds Nuclear decommissioning trust funds [Member] Represents Nuclear Decommission Trust Funds. Equity earnings Effective Income Tax Rate Reconciliation, Nondeductible Expense, Equity Earnings, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Equity Earnings, Amount Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] EGTS Eastern Gas Transmission and Storage, Inc. [Member] Eastern Gas Transmission and Storage, Inc. Loss Contingency - Liabilities Loss Contingency Accrual [Roll Forward] Current income tax receivable (payable), related parties Income Taxes Receivable From (Payable To) Related Parties Current The carrying amount as of the balance sheet date of income taxes receivable from (payable to) related parties (typically the parent company) that are due within one year of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes with taxing authorities. Equity method investments Payments to Acquire Equity Method Investments Hedging Designation [Domain] Hedging Designation [Domain] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Current assets: Assets, Current [Abstract] Public Utility Property, Plant, and Equipment Public Utility Property, Plant, and Equipment [Table Text Block] Total liabilities and equity Liabilities and Equity Regulatory assets Disposal Group, Including Discontinued Operation, Regulatory Assets Disposal Group, Including Discontinued Operation, Regulatory Assets BHE senior debt Senior debt Senior Notes, Noncurrent Distributions Stockholders' Equity, Decrease From Distributions Stockholders' Equity, Decrease From Distributions Capital expenditures Segment, Expenditure, Addition to Long-Lived Assets Public Utility [Axis] Public Utility [Axis] Pay vs Performance Disclosure [Line Items] Northern Powergrid Holdings Northern Powergrid Holdings [Member] Represents Northern Powergrid Holdings Company, which primarily consists of Northern Powergrid (Northeast) Limited and Northern Powergrid (Yorkshire) plc. Real estate Real Estate Operations Costs and Expenses Costs and expenses incurred by the real estate operation to provide residential real estate services, including commissions, operating expenses, and depreciation and amortization. Years eligible for federal renewable energy production tax credit Years Eligible For Renewable Energy Production Tax Credit The number of years from its in-service date that each wind-powered generating facility is eligible for federal renewable energy production tax credits. Other long-term liabilities Other Liabilities, Noncurrent EEGH Eastern Energy Gas Holdings, LLC [Member] Eastern Energy Gas Holdings, LLC Investment exceeded share of equity in net assets Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Current portion of long-term debt Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Distribution only service Distribution only service [Member] Distribution only service [Member] Punitive damages Punitive Damages [Member] Punitive Damages Comprehensive income attributable to BHE shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Regulated natural gas and other Regulated natural gas and other [Member] Regulated natural gas and other [Member] Name Measure Name Effects of ratemaking Effective Income Tax Rate Reconciliation, Effects Of Ratemaking, Percent Effective Income Tax Rate Reconciliation, Effects Of Ratemaking, Percent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] Consolidation, Less-than-Wholly-Owned Subsidiary, Parent Ownership Interest, Effect of Change [Table] Deferred income taxes Deferred Income Tax Liabilities, Net Accrued property, income and other taxes, net Accrued property, income and other taxes Increase (Decrease) in Accrued Taxes Payable Customer Revenue Fully bundled customer [Member] Fully bundled customer [Member] Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments [Table Text Block] Derivative liability, offset Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset Accounts payable to affiliates Increase (Decrease) in Accounts Payable, Related Parties Income Tax Contingency [Table] Income Tax Contingency [Table] Regulatory liabilities Disposal Group, Including Discontinued Operation, Regulatory Liabilities Disposal Group, Including Discontinued Operation, Regulatory Liabilities Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Assets Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Instruments [Table] Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Instruments [Table] A reconciliation of the beginning and ending balances for the period of regulatory assets and liabilities (shown net) reflecting the effective portion of unrealized losses and gains on derivatives not designated as hedging instruments and used for domestic regulated operations, including changes in fair values of the related derivatives and amounts reclassified into earnings during the current period. Regulatory Liability [Axis] Regulatory Liability [Axis] Anticipated equity returns exceeding threshold Revenue Sharing Arrangement, Anticipated Equity Returns Exceeding Threshold [Member] Revenue Sharing Arrangement, Anticipated Equity Returns Exceeding Threshold Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Member's equity: Members' Equity [Abstract] Other segment items Segment Reporting, Other Segment Item, Amount Issuance of notes receivable to affiliates Payments To Fund Short-Term Loans To Related Parties Payments To Fund Short-Term Loans To Related Parties Development rights, payment amount Results Of Operations, Oil And Gas Producing Activities, Payments Results Of Operations, Oil And Gas Producing Activities, Payments Gas balancing activities Increase (Decrease) in Gas-Balancing Receivable Assets: Assets, Fair Value Disclosure [Abstract] General partner General Partner [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Other investments Other Investments Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Pension and other postretirement benefit plans Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Other retail Other [Member] Other retail electric customer [Member] Level 2 Fair Value, Inputs, Level 2 [Member] State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Equity method investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] BHE Renewables tax equity investments Equity Method Investments, tax equity investments [Member] Represents an equity method investment in tax equity investments. BHE Pipeline Group BHE Pipeline Group [Member] BHE Pipeline Group [Member] Related party Related Party [Member] Document Information [Table] Document Information [Table] PEO PEO [Member] Income before income tax expense (benefit) and equity income (loss) Income (loss) before tax Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Other Corporate Segment and Other Operating Segment [Member] United States UNITED STATES Changes in other operating assets and liabilities, net of effects from acquisitions: Changes in other operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Total operating expenses Utilities Operating Expense Retained Earnings Retained Earnings [Member] Other assets Investments, Including Restricted Cash and Cash Equivalents, Noncurrent Investments, Including Restricted Cash and Cash Equivalents, Noncurrent Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Cash and cash equivalents and restricted cash and cash equivalents at beginning of period Cash and cash equivalents and restricted cash and cash equivalents at end of period Total cash and cash equivalents and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative asset Derivative Asset Noncontrolling interests Members' Equity Attributable to Noncontrolling Interest Purchases of marketable securities Payments to Acquire Marketable Securities James case James Case, Multnomah County Circuit Court, Oregon [Member] James Case, Multnomah County Circuit Court, Oregon Accrued property, income and other taxes Taxes Payable, Current Product and Service [Domain] Product and Service [Domain] Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Fair Value, Assets (Liabilities), Net, Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets (Liabilities), Net, Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Allowance for equity funds Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity Customer deposits Contract with Customer, Refund Liability, Current City Area Code City Area Code NPC Pollution Control Refunding Revenue Bonds, 3.750%, Series 2017, Due 2036 NPC Pollution Control Refunding Revenue Bonds, 3.750%, Series 2017, Due 2036 [Member] NPC Pollution Control Refunding Revenue Bonds, 3.750%, Series 2017, Due 2036 Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Mortgage loans held for sale Mortgages [Member] Useful life, other Public Utilities, Property, Plant and Equipment, Other Property Plant and Equipment, Useful Life Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Net change in note payable to affiliate Proceeds from (Repayments of) Related Party Debt Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Investments Equity securities Equity Securities, FV-NI Schedule of Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Contracts Schedule of Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Contracts [Table Text Block] Tabular disclosure related to regulatory assets and liabilities (shown net) established for the effective portion of unrealized losses and gains on derivatives not designated as hedging instruments and used for domestic regulated operations, including changes in fair values of the related derivatives and amounts reclassified into earnings during the current period. Goodwill Beginning balance Ending balance Goodwill Estimate of possible loss Loss Contingency, Estimate of Possible Loss Wildfires insurance receivable Increase (Decrease) in Insurance Settlements Receivable (Losses) gains on marketable securities, net Losses (gains) on marketable securities, net (Losses) gains on marketable securities, net Gain (Loss) on Investments Regulated Regulated Operation [Member] Pension plan liability, noncurrent Liability, Defined Benefit Pension Plan, Noncurrent Subsidiary senior debt Other Long-Term Debt, Noncurrent Reflected as: Investments, Reflected As Current and Noncurrent [Abstract] Investments, Reflected As Current and Noncurrent Construction work-in-progress Construction work-in-progress Public Utilities, Property, Plant and Equipment, Construction Work in Progress Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Related Party [Domain] Related and Nonrelated Parties [Domain] Other current liabilities Other Current Liabilities [Member] Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Allowance for borrowed funds Allowance for borrowed funds Interest Costs Capitalized Adjustment Number of owned and operated utility companies in the United States Number of Owned And Operated Utility Companies, United States Number of owned and operated utility companies in the United States. Litigation Status [Axis] Litigation Status [Axis] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Instrument [Axis] Investments and restricted cash and cash equivalents and investments Investments Noncurrent assets Investments, Including Equity Method Investments And Restricted Cash And Cash Equivalents, Noncurrent Carrying amount of investments in debt and equity securities categorized as available-for-sale securities, reported at fair value and not expected to be used in operations within one year or the normal operating cycle, if longer. Includes restricted cash and investments primarily related to (a) funds held in trust for nuclear decommissioning and (b) debt service requirements that are restricted by certain project debt agreements to be used only for the related project. Includes equity method investments. Includes Rabbi trusts that hold corporate-owned life insurance on certain key executives and directors and represents the cash surrender value, net of any amounts borrowed against the cash surrender value. First Mortgage Bonds, 4.25%, Due 2029 First Mortgage Bonds, 4.25%, Due 2029 [Member] First Mortgage Bonds, 4.25%, Due 2029 Oil and gas, developed acreage Oil and Gas, Developed Acreage, Gross Redemption of preferred stock Payments for Repurchase of Preferred Stock and Preference Stock Other current assets Other Assets, Current Additional paid-in capital Additional Paid in Capital, Common Stock Investments: Investments [Abstract] Entity [Domain] Entity [Domain] Net cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Performance obligations expected to be satisfied, expected timing of satisfaction, period Performance obligations expected to be satisfied, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Equity earnings Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Percent U.S. companies Domestic Equity Securities [Member] This category includes information about ownership interests or the right to acquire ownership interests in domestic corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants. Document Fiscal Year Focus Document Fiscal Year Focus Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Generation Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Generation Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Generation Notes receivable from affiliates Financing Receivable, after Allowance for Credit Loss, Current Effective income tax rate Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Carrying Value Reported Value Measurement [Member] Property and other taxes Taxes, Miscellaneous Noneconomic and punitive damages Noneconomic And Punitive Damages [Member] Noneconomic And Punitive Damages Purchase obligation Purchase Obligation Segment Information Segment Reporting Disclosure [Text Block] Schedule of Goodwill [Table] Goodwill [Table] U.S. government obligations US Treasury Securities [Member] Not Designated as Hedging Not Designated as Hedging Instrument [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Equity earnings Effective Income Tax Rate Reconciliation, Nondeductible Expense, Equity Earnings, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Equity Earnings, Percent Schedule of Amounts Recognized in Balance Sheet Schedule of Amounts Recognized in Balance Sheet [Table Text Block] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Other assets Intangible plant and other assets Other Capitalized Property Plant and Equipment [Member] Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Unrealized gains (losses) on cash flow hedges, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Components of Accumulated Other Comprehensive Loss, Net Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Regulated Utility Retail Customer Type [Axis] Regulated Utility Retail Customer Type [Axis] Regulated Utility Retail Customer Type [Axis] Mortgage loans held for sale Loan, Mortgage, Held-for-Sale, Fair Value Disclosure Restricted cash and cash equivalents included in other current assets Investments and restricted cash and cash equivalents Restricted Cash and Cash Equivalent, Current Preferred stock redemptions Stock Redeemed or Called During Period, Value Schedule of Other Comprehensive Income (Loss), Net Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciation and amortization Depreciation, Depletion and Amortization International companies Foreign Equity Securities [Member] This category includes information about ownership interests or the right to acquire ownership interests in foreign corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants. Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Instruments [Roll Forward] Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Instruments [Roll Forward] Regulatory Assets (Liabilities), Net, Unrealized Loss (Gain), Net, on Derivative Instruments Foreign regulated flow-thru Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Wholesale Regulated wholesale [Member] Regulated wholesale [Member] First Mortgage Bonds, 5.10%, Due 2031 First Mortgage Bonds, 5.10%, Due 2031 [Member] First Mortgage Bonds, 5.10%, Due 2031 Common other Public Utilities, Property, Plant and Equipment, Common Schedule of Effective Income Tax Rate Reconciliation [Table] Schedule of Effective Income Tax Rate Reconciliation [Table] A reconciliation of the federal statutory income tax rate to the effective income tax rate applicable to income before income tax expense. Business Segments [Axis] Segments [Axis] Limited partner Limited Partner [Member] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other, net Payment for (Proceeds from) Other Investing Activity Investments and Restricted Cash Investments Including Equity Method And Restricted Cash and Investments [Table Text Block] A tabular disclosure for investments and restricted cash and investments. It contains: (a) investments in debt and equity securities categorized as available-for-sale securities and reported at fair value, (b) restricted cash and investments primarily related to funds held in trust for nuclear decommissioning and debt service reserve requirements that are restricted by certain project debt agreements to be used only for the related project, (c) equity method investments and (d) Rabbi trusts that hold corporate-owned life insurance on certain key executives and directors and represents the cash surrender value, net of any amounts borrowed against the cash surrender value. ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Notional Amount, By Type [Domain] Notional Amount, By Type [Domain] The name that identifies the notional amount of a derivative or a group of derivatives by commodity type. Fair Value Measurements Fair Value Disclosures [Text Block] Employee Benefit Plans Retirement Benefits [Text Block] Credit Facility [Domain] Credit Facility [Domain] BHE shareholders' equity: Equity, Attributable to Parent [Abstract] Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Investment, Name [Axis] Investment, Name [Axis] Operations and maintenance Operating Expense, Adjusted Operating Expense, Adjusted Net amortization Defined Benefit Plan, Net Amortization This element may include amortization costs associated with defined benefit plans that are not otherwise separately disclosed. For example, amortization of prior year gain (loss), prior service costs (credits) and transition obligations (assets). Commitments and Contingencies Commitments Contingencies and Guarantees [Text Block] Number of trials Loss Contingency, Number of Trials Loss Contingency, Number of Trials Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Amortization of utility plant to other operating expenses Amortization Of Utility Plant To Other Operating Expense The amount of amortization and depreciation of utility property, plant and equipment, including nuclear fuel, charged against earnings in the period and reflected in operating expense lines other than depreciation and amortization or similarly titled lines. Multiemployer Plans Type [Domain] Retirement Plan Name [Domain] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Municipal obligations Municipal Bonds [Member] Net periodic benefit (credit) cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Electricity Electric Operations [Member] Electric Operations [Member] Total liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities Restricted Cash and Investments [Domain] Restricted Cash and Investments [Domain] Information by category of cash and investment items which are restricted as to withdrawal or usage. Assets, fair value Assets, Fair Value Disclosure Other receivable, related party type Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Equity earnings Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount Interest cost Defined Benefit Plan, Interest Cost Related Party [Axis] Related and Nonrelated Parties [Axis] Other noncurrent liabilities Other Noncurrent Liabilities [Member] Restatement Determination Date: Restatement Determination Date [Axis] Total member's equity Members' Equity Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Other, net Proceeds from (Payment for) Other Financing Activity Name Trading Arrangement, Individual Name Junior Subordinated Debt, 7.125%, Due 2056 Fixed-to-Fixed Reset Rate, Junior Subordinated Notes, 7.125%, Due 2056 [Member] Fixed-to-Fixed Reset Rate, Junior Subordinated Notes, 7.125%, Due 2056 BHE Renewables BHE Renewables [Member] Represents BHE Renewables, LLC and CalEnergy Philippines. Debt, face amount Debt Instrument, Face Amount Unrecognized amounts on retirement benefits, tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Reconciliation of Fair Value Assets and Liabilities Fair Value Assets and Liabilities Net Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block] Tabular disclosure of the fair value measurement of assets and liabilities, net using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), gains or losses recognized in other comprehensive income (loss) and gains or losses recognized in net regulatory assets and liabilities, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. Investments and Restricted Cash and Cash Equivalents [Abstract] Investments and Restricted Cash and Investments [Abstract] Preferred Stock Preferred Stock [Member] Investment funds Equity Funds [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Regulated retail gas Gas transmission and storage Regulated Retail Gas [Member] Regulated Retail Gas Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Receivables from affiliates Increase (Decrease) in Due from Affiliates, Current Regulatory assets Regulatory Asset, Noncurrent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Economic damages Economic And Property Damages [Member] Economic And Property Damages Number of acres burned Number of Acres Burned Number of Acres Burned Litigation Case [Axis] Litigation Case [Axis] Foreign Foreign Tax Jurisdiction [Member] Segments [Domain] Segments [Domain] Damages sought Loss Contingency, Damages Sought, Value Damages Type [Axis] Damages Type [Axis] Damages Type Summary of Remaining Performance Obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Inventories Inventories Increase (Decrease) in Inventories Subsidiary, junior subordinated debt Subsidiary, Junior Subordinated Debt [Member] Subsidiary, Junior Subordinated Debt Miles of interstate natural gas transportation pipeline Public Utilities, Natural Gas Transportation Pipeline, Miles Public Utilities, Natural Gas Transportation Pipeline, Miles Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Other customer revenue Other Customer Revenue [Member] Other Customer Revenue Preferred stock Preferred Stock, Value, Issued Preferred stock redemptions Payments for Repurchase of Redeemable Preferred Stock All Executive Categories All Executive Categories [Member] Termination fee Disposal Group, Including Discontinued Operation, Termination Fee Disposal Group, Including Discontinued Operation, Termination Fee Common stock Common stock Common Stock, Value, Issued Equity (income) loss, net of distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Commitments and contingencies Commitments and Contingencies MidAmerican Funding, LLC MidAmerican Funding, LLC and Subsidiaries [Member] MidAmerican Funding LLC and Subsidiaries Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Proceeds from assignment of shale development rights Proceeds from Sale of Oil and Gas Property and Equipment Noncontrolling Interest Noncontrolling Interest [Member] Restricted Cash and Cash Equivalent Item [Line Items] Restricted Cash and Cash Equivalent Item [Line Items] Noncontrolling interest Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage New Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Number of structures destroyed Number of Structures Destroyed Number of Structures Destroyed Intangible plant and other Public Utilities, Property, Plant and Equipment, Other Property, Plant and Equipment Goodwill Disposal Group, Including Discontinued Operation, Goodwill Franchise Real estate franchise [Member] Real estate franchise [Member] Unrecognized amounts on retirement benefits, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Noneconomic damages Noneconomic Damages [Member] Noneconomic Damages Derivative Contract Type [Domain] Derivative Contract [Domain] Domestic Plan Domestic Plan [Member] Government grant, operating expense decrease Government Assistance, Operating Expense, Decrease (Increase) Cost of sales Cost of Goods and Services Sold, Adjusted Cost of Goods and Services Sold, Adjusted All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Total investments and restricted cash and cash equivalents Investments, Including Restricted Cash and Cash Equivalents Investments, Including Restricted Cash and Cash Equivalents Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Electric Transmission Texas, LLC Equity Method Investments, Electric Transmission Texas, LLC [Member] Represents an equity method investment in Electric Transmission Texas, LLC Name Forgone Recovery, Individual Name NPC Pollution Control Refunding Revenue Bonds, 3.750%, Series 2017B, due 2039 NPC Pollution Control Refunding Revenue Bonds, 3.750%, Series 2017B, due 2039 [Member] NPC Pollution Control Refunding Revenue Bonds, 3.750%, Series 2017B, due 2039 Property and other taxes Utilities Operating Expense, Taxes Operations and maintenance Operating Expense Energy Operations Generally recurring costs associated with normal energy operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Net damages Loss Contingency, Damages Awarded, Net Loss Contingency, Damages Awarded, Net Regulatory Agency [Domain] Regulatory Agency [Domain] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Other changes in regulatory assets and liabilities Increase (Decrease) in Regulatory Assets and Liabilities Foreign currency translation Goodwill, Foreign Currency Translation, Gain (Loss) Regulated Utility Retail Customer Type [Domain] Regulated Utility Retail Customer Type [Domain] [Domain] for Regulated Utility Retail Customer Type [Axis] Other liabilities Disposal Group, Including Discontinued Operation, Other Liabilities Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Number of plaintiffs Loss Contingency, Number of Plaintiffs Total other income (expense) Nonoperating Income (Expense) Dispositions Goodwill, Written off Related to Sale of Business Unit Settlement, proceeds Loss Contingency, Receivable, Proceeds Settlements Settlements Fair Value, Measurements With Unobservable Inputs Reconciliation, Recurring Basis, Assets and Liability, Net, Settlements Settlements that have taken place during the period in relation to assets and liabilities, net measured at fair value and categorized within Level 3 of the fair value hierarchy. Litigation settlement, payment terms Loss Contingency, Settlement Agreement, Payment Terms Loss Contingency, Settlement Agreement, Payment Terms Energy-related tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Energy-Related, Percent Award Timing Disclosures [Line Items] Gas transmission Regulated Retail Gas Transportation [Member] Regulated Retail Gas Transportation Service cost Defined Benefit Plan, Service Cost Measurement Frequency [Domain] Measurement Frequency [Domain] Proceeds from subsidiary debt Proceeds from Issuance of Other Long-Term Debt Payments for legal settlements Payments for Legal Settlements Partner Type [Axis] Partner Type [Axis] Transmission Public Utilities, Property, Plant and Equipment, Transmission Net gains reclassified to operating revenue Net Gains (Losses) Reclassified To Operating Revenue The net change in regulatory assets and liabilities related to derivatives not designated as hedging instruments and used for domestic regulated operations as a result of losses and gains on those derivatives that were reclassified to operating revenue during the period. Net income (loss) attributable to parent Net income (loss) Net income Net Income (Loss) Attributable to Parent Property, plant and equipment, net Property, plant and equipment, net Public Utilities, Property, Plant and Equipment, Net Pending litigation Pending Litigation [Member] Derivative contracts - current liabilities Derivative Liability, Current [Member] Derivative Liability, Current Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Total equity Beginning balance Ending balance Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Other revenue Revenue Not from Contract with Customer Notional Amounts of Outstanding Derivative Positions [Table] Notional Amounts of Outstanding Derivative Positions [Table] Disclosure of the notional amounts of outstanding derivative positions. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized Preferred Stock, Shares Authorized Termination, threshold trading days Debt Instrument, Termination, Threshold Trading Days Debt Instrument, Termination, Threshold Trading Days Adoption Date Trading Arrangement Adoption Date Regulated interstate pipeline Regulated interstate pipeline [Member] Regulated interstate pipeline [Member] Customer [Axis] Customer [Axis] Related party transaction, cash received (paid) for income taxes Related Party Transaction, Cash Received (Paid) For Income Taxes, Net Related party transaction, cash received (paid) for income taxes, net Operating income Operating Income (Loss) Line of credit Line of Credit [Member] Retained earnings Retained Earnings (Accumulated Deficit) Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Net income (loss) Net Income (Loss), Excluding Portion Attributable to Redeemable Noncontrolling Interest The consolidated profit or loss for the period, net of income taxes, excluding the portion attributable to the redeemable noncontrolling interest. Natural gas imbalances Gas Balancing Receivable, Current Gas Balancing Receivable, Current Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities, Current Retirement Plan Type [Axis] Retirement Plan Type [Axis] Other, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Property, plant and equipment, net: Disposal Group, Including Discontinued Operation, Property, Plant and Equipment [Abstract] Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Adjustments to reconcile net income to net cash flows from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Subsidiary, senior debt Subsidiary, Senior Debt [Member] Subsidiary, Senior Debt Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Contract liability Contract with Customer, Liability Finance lease obligations Finance Lease, Liability, Noncurrent BHE Transmission BHE Transmission [Member] Represents BHE AltaLink Ltd. and BHE U.S. Transmission, LLC. General Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Repayments of BHE senior debt Repayments of Unsecured Debt All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Net operating assets Property, Plant and Equipment In Service, Net The period end amount of property, plant and equipment in service, net of accumulated depreciation and amortization. Amendment Flag Amendment Flag Interstate natural gas pipeline assets Pipelines [Member] Doubled economic damages Doubled Economic Damages [Member] Doubled Economic Damages Other Postretirement Plans Other Postretirement Benefits Plan [Member] Burnett case Burnett Vs HomeServices of America, Inc [Member] Burnett Vs HomeServices of America, Inc Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Regulated retail electric Regulated Retail Electric [Member] Regulated Retail Electric Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Cash Flow, Supplemental Disclosures [Text Block] Restricted cash included in other assets Investments and restricted cash and cash equivalents and investments Restricted Cash and Cash Equivalent, Noncurrent Wholesale, transmission and other Regulated wholesale, transmission and other [Member] Regulated wholesale, transmission and other [Member] Derivative asset, gross Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement Segment Reporting [Abstract] Segment Reporting [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Other income (expense): Nonoperating Income (Expense) [Abstract] Operating expenses: Costs and Expenses [Abstract] Net losses reclassified to cost of fuel and energy Net Gains (Losses) Reclassified To Cost Of Domestic Regulated Electric The net change in regulatory assets and liabilities related to derivatives not designated as hedging instruments and used for regulated utility operations as a result of losses and gains on those derivatives that were reclassified to regulated cost of fuel, energy and capacity during the period. FERC Federal Energy Regulatory Commission [Member] Federal Energy Regulatory Commission Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Company-owned life insurance Company-Owned Life Insurance [Member] Company-Owned Life Insurance Income taxes receivable Income Taxes Receivable, Current Trade receivables, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Effect of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount Use of Estimates Use of Estimates, Policy [Policy Text Block] Other current liabilities Liability, Defined Benefit Plan, Current Construction work-in-progress Construction in Progress, Gross Litigation settlement, amount awarded to other party Litigation Settlement, Amount Awarded to Other Party Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Regulatory liabilities Regulatory liabilities Regulatory Liability, Current Interest and dividend income Investment Income, Interest and Dividend Total liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Total investments and restricted cash and cash equivalents and investments Investments, Including Equity Method Investments And Restricted Cash And Cash Equivalents Carrying amount of all investments in debt and equity securities categorized as available-for-sale securities, reported at fair value. Includes restricted cash and investments primarily related to (a) funds held in trust for nuclear decommissioning and (b) debt service requirements that are restricted by certain project debt agreements to be used only for the related project. Includes equity method investments. Includes Rabbi trusts that hold corporate-owned life insurance on certain key executives and directors and represents the cash surrender value, net of any amounts borrowed against the cash surrender value. Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Settlement payments Payments Loss Contingency Accrual, Payments PAC PacifiCorp [Member] Represents PacifiCorp and its subsidiaries. Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other changes in regulatory assets and liabilities Changes In Regulatory Assets And Liabilities, Other Changes In Regulatory Assets And Liabilities, Other Investment tax credit, maximum percentage Investment Tax Credit, Maximum Percentage Investment Tax Credit, Maximum Percentage Nonregulated Unregulated Operation [Member] Operations and maintenance Utilities Operating Expense, Maintenance and Operations Intangible plant and other Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Other Property, Plant And Equipment Disposal Group, Including Discontinued Operation, Public Utilities, Property, Plant And Equipment, Other Property, Plant And Equipment Consolidation Items [Axis] Consolidation Items [Axis] Energy Electricity and natural gas [Member] Electricity and natural gas [Member] Storage assets Storage Assets [Member] Storage Assets Multi-value transmission projects Multi value transmission projects [Member] Multi value transmission projects [Member] Debt securities Debt Securities, Available-for-Sale Natural gas Natural Gas Processing Plant [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Collateral already posted, aggregate fair value Collateral Already Posted, Aggregate Fair Value Affiliated Entity [Member]