Segment Information - BHE - Goodwill (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 11,650
Acquisitions	3
Foreign currency translation	(4)
Ending balance	11,649
PAC
Goodwill [Roll Forward]
Beginning balance	1,129
Acquisitions	0
Foreign currency translation	0
Ending balance	1,129
MidAmerican Funding
Goodwill [Roll Forward]
Beginning balance	2,102
Acquisitions	0
Foreign currency translation	0
Ending balance	2,102
NV Energy
Goodwill [Roll Forward]
Beginning balance	2,369
Acquisitions	0
Foreign currency translation	0
Ending balance	2,369
Northern Powergrid
Goodwill [Roll Forward]
Beginning balance	992
Acquisitions	0
Foreign currency translation	(20)
Ending balance	972
BHE Pipeline Group
Goodwill [Roll Forward]
Beginning balance	1,814
Acquisitions	0
Foreign currency translation	0
Ending balance	1,814
BHE Transmission
Goodwill [Roll Forward]
Beginning balance	1,563
Acquisitions	0
Foreign currency translation	16
Ending balance	1,579
BHE Renewables
Goodwill [Roll Forward]
Beginning balance	95
Acquisitions	0
Foreign currency translation	0
Ending balance	95
HomeServices
Goodwill [Roll Forward]
Beginning balance	1,586
Acquisitions	3
Foreign currency translation	0
Ending balance	$ 1,589

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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-Name Accounting Standards Codification
-Topic 350
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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