Business Combination, Separately Recognized Transactions, Step Up In Tax Basis

No definition available.

Name:	bhe_BusinessCombinationSeparatelyRecognizedTransactionsStepUpInTaxBasis
Namespace Prefix:	bhe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Stockholders' Equity, Contributions By Parent

+ References

No definition available.

+ Details

Name:	bhe_StockholdersEquityContributionsByParent
Namespace Prefix:	bhe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The tax effect of an increase or decrease in contributed capital (for example, deductible expenditures reported as a reduction of the proceeds from issuing capital stock) during the period charged or credited directly to shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482659/740-20-45-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482659/740-20-45-2

+ Details

Name:	us-gaap_IncomeTaxEffectsAllocatedDirectlyToEquityEquityTransactions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482987/272-10-50-3

+ Details

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 405
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477571/980-405-25-1

+ Details

Name:	us-gaap_RegulatoryLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a loan, supported by a promissory note, granted to related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

Name:	us-gaap_RepaymentOfNotesReceivableFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RegulatoryLiabilityAxis=us-gaap_DeferredIncomeTaxChargesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=bhe_CovePointLNGLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=bhe_CovePointLNGLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=bhe_EasternEnergyGasHoldingsLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=bhe_CovePointLNGLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_LimitedPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=bhe_DominionEnergyIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_GeneralPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=bhe_CovePointGPHoldingCompanyLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Acquisitions - EEGH (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Sep. 01, 2023	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Aug. 31, 2023
Business Acquisition [Line Items]
Regulatory liabilities			$ 7,033	$ 6,818
Deferred income taxes
Business Acquisition [Line Items]
Regulatory liabilities	$ 24		2,493	2,733
Cove Point LNG, LP
Business Acquisition [Line Items]
Income tax provision, equity transactions	120
Investment, step up in tax basis	144
Cove Point LNG, LP
Business Acquisition [Line Items]
Business combination, consideration transferred, cash	3,300
EEGH
Business Acquisition [Line Items]
Contributions			119	2,931	$ 98
Repayment of notes by affiliates			305	734	$ 39
Regulatory liabilities			656	656
EEGH \| Deferred income taxes
Business Acquisition [Line Items]
Regulatory liabilities	24		$ 416	$ 425
EEGH \| Cove Point LNG, LP
Business Acquisition [Line Items]
Income tax provision, equity transactions	120
Investment, step up in tax basis	$ 144
EEGH \| Cove Point LNG, LP
Business Acquisition [Line Items]
Contributions		$ 2,900
Repayment of notes by affiliates		$ 474
Cove Point LNG, LP \| Limited Partner \| Cove Point LNG, LP
Business Acquisition [Line Items]
Business combination, ownership interest after transaction			75.00%
Business combination, step acquisition, equity interest in acquiree, percentage						25.00%
Cove Point LNG, LP \| Limited Partner \| Dominion Energy, Inc.
Business Acquisition [Line Items]
Limited partner, ownership percentage	50.00%
Cove Point LNG, LP \| Limited Partner \| EEGH \| Cove Point LNG, LP
Business Acquisition [Line Items]
Business combination, step acquisition, equity interest in acquiree, percentage						25.00%
Cove Point LNG, LP \| General Partner \| Cove Point LNG, LP
Business Acquisition [Line Items]
Business combination, step acquisition, equity interest in acquiree, percentage						100.00%
Cove Point LNG, LP \| General Partner \| EEGH \| Cove Point LNG, LP
Business Acquisition [Line Items]
Business combination, step acquisition, equity interest in acquiree, percentage						100.00%
Cove Point LNG, LP \| General Partner \| Cove Point GP Holding Company, LLC \| Cove Point LNG, LP
Business Acquisition [Line Items]
Business combination, ownership interest after transaction			100.00%