Segment Information - BHE (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Operating revenue	$ 6,030	$ 6,081
Depreciation and amortization	1,022	927
Operating income	1,236	1,333
Interest expense	532	530
Capitalized interest	17	14
Allowance for equity funds	38	26
Interest and dividend income	23	21
Losses on marketable securities, net	(1,257)	(1,118)
Other, net	5	8
Income (loss) before income tax expense (benefit) and equity income (loss)	(470)	(246)
Total loss on common shares	(145)	(34)
Assets	131,469		$ 132,065
PAC
Segment Reporting Information [Line Items]
Operating revenue	1,297	1,242
Depreciation and amortization	280	264
Operating income	216	234
Interest expense	106	107
Total loss on common shares	130	169
Assets	27,999		27,615
MidAmerican Funding
Segment Reporting Information [Line Items]
Operating revenue	1,005	1,067
Depreciation and amortization	250	207
Operating income	100	48
Interest expense	82	78
Total loss on common shares	241	144
Assets	25,451		25,352
NV Energy
Segment Reporting Information [Line Items]
Operating revenue	693	591
Depreciation and amortization	140	136
Operating income	62	70
Interest expense	51	52
Total loss on common shares	29	34
Assets	15,430		15,239
Northern Powergrid
Segment Reporting Information [Line Items]
Operating revenue	315	300
Depreciation and amortization	80	71
Operating income	159	151
Interest expense	32	33
Total loss on common shares	111	104
Assets	9,175		9,326
BHE Pipeline Group
Segment Reporting Information [Line Items]
Operating revenue	1,035	1,093
Depreciation and amortization	131	118
Operating income	538	618
Interest expense	37	38
Total loss on common shares	322	383
Assets	20,486		20,434
BHE Transmission
Segment Reporting Information [Line Items]
Operating revenue	183	180
Depreciation and amortization	58	58
Operating income	83	81
Interest expense	38	38
Total loss on common shares	62	59
Assets	9,618		9,476
BHE Renewables
Segment Reporting Information [Line Items]
Operating revenue	167	190
Depreciation and amortization	65	60
Operating income	(2)	33
Interest expense	41	40
Total loss on common shares	104	16
Assets	12,138		11,829
HomeServices
Segment Reporting Information [Line Items]
Operating revenue	1,207	1,232
Depreciation and amortization	15	11
Operating income	28	112
Interest expense	1	1
Total loss on common shares	21	84
Assets	4,036		4,574
BHE and Other
Segment Reporting Information [Line Items]
Operating revenue	128	186
Depreciation and amortization	3	2
Operating income	52	(14)
Interest expense	144	143
Total loss on common shares	(1,165)	(1,027)
Assets	7,136		$ 8,220
U.S.
Segment Reporting Information [Line Items]
Operating revenue	5,534	5,597
Income (loss) before income tax expense (benefit) and equity income (loss)	(654)	(423)
United Kingdom
Segment Reporting Information [Line Items]
Operating revenue	315	300
Income (loss) before income tax expense (benefit) and equity income (loss)	139	132
Canada
Segment Reporting Information [Line Items]
Operating revenue	181	177
Income (loss) before income tax expense (benefit) and equity income (loss)	46	39
Other
Segment Reporting Information [Line Items]
Operating revenue	0	7
Income (loss) before income tax expense (benefit) and equity income (loss)	$ (1)	$ 6