[Line Items] for A schedule of the asset retirement obligations.

No definition available.

Name:	bhe_AssetRetirementObligationsByTypeLineItems
Namespace Prefix:	bhe_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 25
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=116646717&loc=d3e6290-110844

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

+ Details

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

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 405
-Section 25
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394

+ Details

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

- Details

Name:	bhe_AssetRetirementObligationByTypeAxis=us-gaap_OtherPlantInServiceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	bhe_AssetRetirementObligationByTypeAxis=bhe_AsbestosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	bhe_AssetRetirementObligationByTypeAxis=bhe_EvaporativePondsandDryAshLandfillsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Asset Retirement Obligations - SPPC (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Asset Retirement Obligations By Type [Line Items]
Regulatory liabilities	$ 7,369	$ 7,214
Asset retirement obligations	1,328	1,340	$ 1,341
Other
Asset Retirement Obligations By Type [Line Items]
Asset retirement obligations	118	109
Cost of removal
Asset Retirement Obligations By Type [Line Items]
Regulatory liabilities	2,578	2,424
SPPC
Asset Retirement Obligations By Type [Line Items]
Regulatory liabilities	455	463
Asset retirement obligations	11	11
SPPC \| Asbestos
Asset Retirement Obligations By Type [Line Items]
Asset retirement obligations	5	5
SPPC \| Evaporative ponds and dry ash landfills
Asset Retirement Obligations By Type [Line Items]
Asset retirement obligations	3	3
SPPC \| Other
Asset Retirement Obligations By Type [Line Items]
Asset retirement obligations	3	3
SPPC \| Cost of removal
Asset Retirement Obligations By Type [Line Items]
Regulatory liabilities	$ 200	$ 201