Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 25,150	$ 20,952	$ 19,844
Depreciation and amortization	3,881	3,455	3,011
Operating income (loss)	5,327	4,291	4,150
Interest expense	2,118	2,021	1,912
Capitalized interest	(64)	(80)	(77)
Allowance for equity funds	126	165	173
Other Interest and Dividend Income	89	71	117
Gains (losses) on marketable securities, net	1,823	4,797	(288)
Other, net	(17)	88	97
Income (loss) before income tax expense (benefit) and equity income (loss)	5,294	7,471	2,414
Income tax (benefit) expense	(1,132)	308	(598)
Total earnings on common shares	5,669	6,917	2,950
Capitalized expenditures	6,611	6,765	7,364
Property, plant and equipment, net	89,816	86,128	73,305
Assets	132,065	127,316	100,051
BHE and Other
Segment Reporting Information [Line Items]
Revenues	541	438	556
Depreciation and amortization	2	1	(1)
Operating income (loss)	(75)	(54)	(51)
Interest expense	573	517	433
Income tax (benefit) expense	(286)	1,089	(314)
Total earnings on common shares	1,319	3,092	(467)
Capitalized expenditures	21	(130)	10
Property, plant and equipment, net	243	(22)	(40)
Assets	8,220	7,933	1,330
PAC | Operating segments
Segment Reporting Information [Line Items]
Revenues	5,296	5,341	5,068
Depreciation and amortization	1,088	1,209	954
Operating income (loss)	1,133	924	1,072
Interest expense	430	426	401
Income tax (benefit) expense	(78)	(75)	61
Total earnings on common shares	889	741	773
Capitalized expenditures	1,513	2,540	2,175
Property, plant and equipment, net	22,914	22,430	20,973
Assets	27,615	26,862	24,861
MidAmerican Funding | Operating segments
Segment Reporting Information [Line Items]
Revenues	3,547	2,728	2,927
Depreciation and amortization	914	716	638
Operating income (loss)	416	454	549
Interest expense	319	322	302
Income tax (benefit) expense	(680)	(574)	(377)
Total earnings on common shares	883	818	781
Capitalized expenditures	1,912	1,836	2,810
Property, plant and equipment, net	20,302	19,279	18,377
Assets	25,352	23,530	22,664
NV Energy | Operating segments
Segment Reporting Information [Line Items]
Revenues	3,107	2,854	3,037
Depreciation and amortization	549	502	482
Operating income (loss)	621	649	655
Interest expense	206	227	229
Income tax (benefit) expense	56	61	98
Total earnings on common shares	439	410	365
Capitalized expenditures	749	675	657
Property, plant and equipment, net	10,231	9,865	9,613
Assets	15,239	14,501	14,128
Northern Powergrid | Operating segments
Segment Reporting Information [Line Items]
Revenues	1,188	1,022	1,013
Depreciation and amortization	305	266	254
Operating income (loss)	543	421	472
Interest expense	130	130	139
Income tax (benefit) expense	192	96	59
Total earnings on common shares	247	201	256
Capitalized expenditures	742	682	602
Property, plant and equipment, net	7,572	7,230	6,606
Assets	9,326	8,782	8,385
BHE Pipeline Group | Operating segments
Segment Reporting Information [Line Items]
Revenues	3,544	1,578	1,131
Depreciation and amortization	492	231	115
Operating income (loss)	1,516	779	572
Interest expense	143	74	52
Income tax (benefit) expense	269	162	138
Total earnings on common shares	807	528	422
Capitalized expenditures	1,128	659	687
Property, plant and equipment, net	15,692	15,097	5,482
Assets	20,434	19,541	6,100
BHE Transmission | Operating segments
Segment Reporting Information [Line Items]
Revenues	731	659	707
Depreciation and amortization	238	201	240
Operating income (loss)	339	316	323
Interest expense	155	148	157
Income tax (benefit) expense	10	13	11
Total earnings on common shares	247	231	229
Capitalized expenditures	279	372	247
Property, plant and equipment, net	6,590	6,445	6,157
Assets	9,476	9,208	8,776
BHE Renewables | Operating segments
Segment Reporting Information [Line Items]
Revenues	981	936	932
Depreciation and amortization	241	284	282
Operating income (loss)	329	291	336
Interest expense	158	166	174
Income tax (benefit) expense	(753)	(602)	(325)
Total earnings on common shares	451	521	431
Capitalized expenditures	225	95	122
Property, plant and equipment, net	6,103	5,645	5,976
Assets	11,829	12,004	9,961
HomeServices | Operating segments
Segment Reporting Information [Line Items]
Revenues	6,215	5,396	4,473
Depreciation and amortization	52	45	47
Operating income (loss)	505	511	222
Interest expense	4	11	25
Income tax (benefit) expense	138	138	51
Total earnings on common shares	387	375	160
Capitalized expenditures	42	36	54
Property, plant and equipment, net	169	159	161
Assets	4,574	4,955	3,846
United States
Segment Reporting Information [Line Items]
Revenues	23,215	19,254	18,108
Income (loss) before income tax expense (benefit) and equity income (loss)	4,650	6,954	1,866
Property, plant and equipment, net	75,774	72,583	60,634
United Kingdom
Segment Reporting Information [Line Items]
Revenues	1,188	1,022	1,011
Income (loss) before income tax expense (benefit) and equity income (loss)	454	338	326
Property, plant and equipment, net	7,487	7,134	6,504
Canada
Segment Reporting Information [Line Items]
Revenues	719	653	706
Income (loss) before income tax expense (benefit) and equity income (loss)	181	173	178
Property, plant and equipment, net	6,547	6,401	6,157
Other
Segment Reporting Information [Line Items]
Revenues	28	23	19
Income (loss) before income tax expense (benefit) and equity income (loss)	9	6	44
Property, plant and equipment, net	$ 8	$ 10	$ 10