Segment Information - BHE - Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2026 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 11,521
Foreign currency translation	(58)
Dispositions	(89)
Ending balance	11,374
PAC
Goodwill [Roll Forward]
Beginning balance	1,129
Foreign currency translation	0
Dispositions	(89)
Ending balance	1,040
MidAmerican Funding
Goodwill [Roll Forward]
Beginning balance	2,102
Foreign currency translation	0
Dispositions	0
Ending balance	2,102
NV Energy, Inc.
Goodwill [Roll Forward]
Beginning balance	2,369
Foreign currency translation	0
Dispositions	0
Ending balance	2,369
Northern Powergrid Holdings
Goodwill [Roll Forward]
Beginning balance	990
Foreign currency translation	(11)
Dispositions	0
Ending balance	979
BHE Pipeline Group
Goodwill [Roll Forward]
Beginning balance	1,814
Foreign currency translation	0
Dispositions	0
Ending balance	1,814
BHE Transmission
Goodwill [Roll Forward]
Beginning balance	1,439
Foreign currency translation	(47)
Dispositions	0
Ending balance	1,392
BHE Renewables
Goodwill [Roll Forward]
Beginning balance	95
Foreign currency translation	0
Dispositions	0
Ending balance	95
HomeServices
Goodwill [Roll Forward]
Beginning balance	1,583
Foreign currency translation	0
Dispositions	0
Ending balance	$ 1,583

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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