Segment Information - BHE (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Operating revenue	$ 6,612	$ 6,064	$ 12,642	$ 12,145
Depreciation and amortization	1,059	947	2,081	1,874
Operating income	1,207	1,208	2,443	2,541
Interest expense	550	532	1,082	1,062
Capitalized interest	18	14	35	28
Allowance for equity funds	42	30	80	56
Interest and dividend income	30	26	53	47
Gains on marketable securities, net	2,528	1,966	1,271	848
Other, net	(26)	48	(21)	56
Income (loss) before income tax expense (benefit) and equity income (loss)	3,249	2,760	2,779	2,514
Total earnings on common shares	2,884	2,244	2,739	2,210
Assets	135,295		135,295		$ 132,065
PAC
Segment Reporting Information [Line Items]
Operating revenue	1,314	1,298	2,611	2,540
Depreciation and amortization	279	275	559	539
Operating income	158	283	374	517
Interest expense	107	105	213	212
Total earnings on common shares	83	226	213	395
Assets	28,596		28,596		27,615
MidAmerican Funding
Segment Reporting Information [Line Items]
Operating revenue	897	693	1,902	1,760
Depreciation and amortization	277	209	527	416
Operating income	90	103	190	151
Interest expense	83	78	165	156
Total earnings on common shares	204	211	445	355
Assets	25,733		25,733		25,352
NV Energy
Segment Reporting Information [Line Items]
Operating revenue	899	767	1,592	1,358
Depreciation and amortization	139	137	279	273
Operating income	140	145	202	215
Interest expense	52	51	103	103
Total earnings on common shares	93	100	122	134
Assets	15,905		15,905		15,239
Northern Powergrid
Segment Reporting Information [Line Items]
Operating revenue	345	280	660	580
Depreciation and amortization	100	73	180	144
Operating income	110	126	269	277
Interest expense	34	32	66	65
Total earnings on common shares	71	(25)	182	79
Assets	9,343		9,343		9,326
BHE Pipeline Group
Segment Reporting Information [Line Items]
Operating revenue	856	706	1,891	1,799
Depreciation and amortization	125	121	256	239
Operating income	352	245	890	863
Interest expense	36	40	73	78
Total earnings on common shares	199	100	521	483
Assets	20,691		20,691		20,434
BHE Transmission
Segment Reporting Information [Line Items]
Operating revenue	183	182	366	362
Depreciation and amortization	60	60	118	118
Operating income	84	85	167	166
Interest expense	38	40	76	78
Total earnings on common shares	62	60	124	119
Assets	9,441		9,441		9,476
BHE Renewables
Segment Reporting Information [Line Items]
Operating revenue	294	267	461	457
Depreciation and amortization	66	61	131	121
Operating income	134	97	132	130
Interest expense	45	40	86	80
Total earnings on common shares	249	181	353	197
Assets	11,853		11,853		11,829
HomeServices
Segment Reporting Information [Line Items]
Operating revenue	1,672	1,763	2,879	2,995
Depreciation and amortization	14	12	29	23
Operating income	117	179	145	291
Interest expense	2	1	3	2
Total earnings on common shares	84	135	105	219
Assets	4,115		4,115		4,574
BHE and Other
Segment Reporting Information [Line Items]
Operating revenue	152	108	280	294
Depreciation and amortization	(1)	(1)	2	1
Operating income	22	(55)	74	(69)
Interest expense	153	145	297	288
Total earnings on common shares	1,839	1,256	674	229
Assets	9,618		9,618		$ 8,220
U.S.
Segment Reporting Information [Line Items]
Operating revenue	6,087	5,604	11,621	11,201
Income (loss) before income tax expense (benefit) and equity income (loss)	3,117	2,611	2,463	2,188
United Kingdom
Segment Reporting Information [Line Items]
Operating revenue	345	280	660	580
Income (loss) before income tax expense (benefit) and equity income (loss)	87	104	226	236
Canada
Segment Reporting Information [Line Items]
Operating revenue	180	180	361	357
Income (loss) before income tax expense (benefit) and equity income (loss)	46	46	92	85
Other
Segment Reporting Information [Line Items]
Operating revenue	0	0	0	7
Income (loss) before income tax expense (benefit) and equity income (loss)	$ (1)	$ (1)	$ (2)	$ 5