Segment Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Operating revenue		$ 4,527	$ 4,610
Depreciation and amortization - energy operations		809	720
Depreciation and amortization		821	733
Operating income		919	919
Interest expense		483	477
Capitalized interest		17	16
Interest Costs Capitalized		17	16
Allowance for equity funds		34	32
Interest and dividend income		20	30
Gains (losses) on marketable securities, net		27	(68)
Other, net		(27)	35
Income before income tax expense and equity income		507	487
Assets		100,806		$ 100,051
PacifiCorp [Member]
Segment Reporting Information [Line Items]
Operating revenue		1,206	1,259
Depreciation and amortization - energy operations		252	205
Operating income		234	284
Interest expense		102	96
Assets		24,953		24,861
MidAmerican Funding [Member]
Segment Reporting Information [Line Items]
Operating revenue		686	842
Depreciation and amortization - energy operations		176	177
Operating income		102	116
Interest expense		81	75
Assets		22,693		22,664
NV Energy, Inc. [Member]
Segment Reporting Information [Line Items]
Operating revenue		622	614
Depreciation and amortization - energy operations		124	120
Operating income		79	84
Interest expense		58	62
Assets		14,283		14,128
Northern Powergrid Holdings [Member]
Segment Reporting Information [Line Items]
Operating revenue		266	263
Depreciation and amortization - energy operations		63	63
Operating income		132	129
Interest expense		32	34
Assets		7,686		8,385
BHE Pipeline Group [Member]
Segment Reporting Information [Line Items]
Operating revenue		401	371
Depreciation and amortization - energy operations		64	28
Operating income		249	243
Interest expense		14	12
Assets		6,127		6,100
BHE Transmission [Member]
Segment Reporting Information [Line Items]
Operating revenue		172	168
Depreciation and amortization - energy operations		60	58
Operating income		76	76
Interest expense		38	39
Assets		8,186		8,776
Berkshire Hathaway Energy Renewables [Member]
Segment Reporting Information [Line Items]
Operating revenue		178	167
Depreciation and amortization - energy operations		71	70
Operating income		17	18
Interest expense		42	44
Assets		10,139		9,961
HomeServices [Member]
Segment Reporting Information [Line Items]
Operating revenue		893	785
Depreciation and amortization		11	13
Operating income		20	(21)
Interest expense		5	7
Assets		4,144		3,846
Berkshire Hathaway Energy And Other [Member]
Segment Reporting Information [Line Items]
Operating revenue	[1]	103	141
Depreciation and amortization - energy operations		0	(1)
Operating income		10	(10)
Interest expense		111	108
Assets		2,595		$ 1,330
UNITED STATES
Segment Reporting Information [Line Items]
Operating revenue		4,089	4,177
Income before income tax expense and equity income		354	336
UNITED KINGDOM
Segment Reporting Information [Line Items]
Operating revenue		266	263
Income before income tax expense and equity income		109	103
CANADA
Segment Reporting Information [Line Items]
Operating revenue		171	168
Income before income tax expense and equity income		40	40
The Philippines and other [Member]
Segment Reporting Information [Line Items]
Operating revenue		1	2
Income before income tax expense and equity income		$ 4	$ 8

[1] (1)The BHE and Other reportable segment represents amounts related principally to other entities, corporate functions and intersegment eliminations.