Segment Information (Tables)

9 Months Ended

Sep. 30, 2022

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information by Segment

The Company's reportable segments with foreign operations include Northern Powergrid, whose business is principally in the United Kingdom, and BHE Transmission, whose business includes operations in Canada. Intersegment eliminations and adjustments, including the allocation of goodwill, have been made. Information related to the Company's reportable segments is shown below (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2022		2021		2022		2021
Operating revenue:
PacifiCorp	$	1,635	$	1,491	$	4,246	$	4,031
MidAmerican Funding	1,148		966		3,050		2,726
NV Energy	1,334		1,085		2,926		2,443
Northern Powergrid	359		277		1,019		857
BHE Pipeline Group	964		785		2,855		2,584
BHE Transmission	177		185		543		547
BHE Renewables	302		316		763		773
HomeServices	1,405		1,743		4,284		4,738
BHE and Other(1)	176		120		456		414
Total operating revenue	$	7,500	$	6,968	$	20,142	$	19,113

Depreciation and amortization:
PacifiCorp	$	277	$	272	$	836	$	811
MidAmerican Funding	338		218		865		634
NV Energy	144		138		423		411
Northern Powergrid	92		73		272		217
BHE Pipeline Group	124		124		380		363
BHE Transmission	58		59		176		177
BHE Renewables	67		61		198		182
HomeServices	14		14		43		37
BHE and Other(1)	2		1		4		2
Total depreciation and amortization	$	1,116	$	960	$	3,197	$	2,834

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2022		2021		2022		2021
Operating income:
PacifiCorp	$	437	$	394	$	811	$	911
MidAmerican Funding	230		287		420		438
NV Energy	332		348		534		563
Northern Powergrid	151		126		420		403
BHE Pipeline Group	433		303		1,323		1,166
BHE Transmission	81		90		248		256
BHE Renewables	133		149		265		279
HomeServices	53		135		198		426
BHE and Other(1)	(27)		2		47		(67)
Total operating income	1,823		1,834		4,266		4,375
Interest expense	(555)		(531)		(1,637)		(1,593)
Capitalized interest	19		18		54		46
Allowance for equity funds	43		34		123		90
Interest and dividend income	40		18		93		65
(Losses) gains on marketable securities, net	(3,270)		294		(1,999)		1,142
Other, net	5		8		(16)		64
Total (loss) income before income tax benefit and equity loss	$	(1,895)	$	1,675	$	884	$	4,189

Interest expense:
PacifiCorp	$	105	$	110	$	318	$	322
MidAmerican Funding	84		81		249		237
NV Energy	55		51		158		154
Northern Powergrid	31		33		97		98
BHE Pipeline Group	37		33		110		111
BHE Transmission	39		39		115		117
BHE Renewables	45		39		131		119
HomeServices	2		1		5		3
BHE and Other(1)	157		144		454		432
Total interest expense	$	555	$	531	$	1,637	$	1,593

(Loss) earnings on common shares:
PacifiCorp	$	409	$	333	$	622	$	728
MidAmerican Funding	300		373		745		728
NV Energy	270		282		392		416
Northern Powergrid	100		83		282		162
BHE Pipeline Group	234		144		755		627
BHE Transmission	59		65		183		184
BHE Renewables	173		163		526		360
HomeServices	29		102		134		321
BHE and Other(1)	(2,424)		351		(1,750)		580
Total (loss) earnings on common shares	$	(850)	$	1,896	$	1,889	$	4,106

	As of
	September 30,		December 31,
	2022		2021
Assets:
PacifiCorp	$	29,168	$	27,615
MidAmerican Funding	26,132		25,352
NV Energy	16,564		15,239
Northern Powergrid	8,559		9,326
BHE Pipeline Group	20,930		20,434
BHE Transmission	8,840		9,476
BHE Renewables	11,614		11,829
HomeServices	3,678		4,574
BHE and Other(1)	6,519		8,220
Total assets	$	132,004	$	132,065

(1)The differences between the reportable segment amounts and the consolidated amounts, described as BHE and Other, relate principally to other entities, including MidAmerican Energy Services, LLC, corporate functions and intersegment eliminations.

Disaggregation of Revenue

The following table summarizes the Company's energy products and services revenue from contracts with customers ("Customer Revenue") by regulated and nonregulated, with further disaggregation of regulated by line of business, including a reconciliation to the Company's reportable segment information included in Note 12 (in millions):

	For the Three-Month Period Ended September 30, 2022
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other(1)		Total
Customer Revenue:
Regulated:
Retail electric	$	1,465	$	799	$	1,250	$	—	$	—	$	—	$	—	$	(1)	$	3,513
Retail gas	—		97		20		—		—		—		—		1		118
Wholesale	69		208		33		—		—		—		—		—		310
Transmission and    distribution	54		16		24		260		—		168		—		—		522
Interstate pipeline	—		—		—		—		594		—		—		(26)		568
Other	24		—		—		—		1		—		—		(1)		24
Total Regulated	1,612		1,120		1,327		260		595		168		—		(27)		5,055
Nonregulated	—		1		—		71		326		16		264		177		855
Total Customer Revenue	1,612		1,121		1,327		331		921		184		264		150		5,910
Other revenue	23		27		7		28		43		(7)		38		26		185
Total	$	1,635	$	1,148	$	1,334	$	359	$	964	$	177	$	302	$	176	$	6,095

	For the Nine-Month Period Ended September 30, 2022
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other(1)		Total
Customer Revenue:
Regulated:
Retail electric	$	3,817	$	1,865	$	2,680	$	—	$	—	$	—	$	—	$	(2)	$	8,360
Retail gas	—		570		99		—		—		—		—		1		670
Wholesale	179		488		68		—		—		—		—		(2)		733
Transmission and    distribution	131		44		59		803		—		516		—		—		1,553
Interstate pipeline	—		—		—		—		1,863		—		—		(94)		1,769
Other	72		—		1		—		2		—		—		(1)		74
Total Regulated	4,199		2,967		2,907		803		1,865		516		—		(98)		13,159
Nonregulated	—		3		1		128		889		38		695		461		2,215
Total Customer Revenue	4,199		2,970		2,908		931		2,754		554		695		363		15,374
Other revenue	47		80		18		88		101		(11)		68		93		484
Total	$	4,246	$	3,050	$	2,926	$	1,019	$	2,855	$	543	$	763	$	456	$	15,858

	For the Three-Month Period Ended September 30, 2021
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other(1)		Total
Customer Revenue:
Regulated:
Retail electric	$	1,352	$	736	$	1,008	$	—	$	—	$	—	$	—	$	—	$	3,096
Retail gas	—		84		16		—		—		—		—		—		100
Wholesale	58		113		19		—		14		—		—		(1)		203
Transmission and    distribution	55		15		35		241		—		175		—		—		521
Interstate pipeline	—		—		—		—		514		—		—		(28)		486
Other	26		—		—		—		(2)		—		—		—		24
Total Regulated	1,491		948		1,078		241		526		175		—		(29)		4,430
Nonregulated	—		2		—		8		257		12		288		141		708
Total Customer Revenue	1,491		950		1,078		249		783		187		288		112		5,138
Other revenue	—		16		7		28		2		(2)		28		8		87
Total	$	1,491	$	966	$	1,085	$	277	$	785	$	185	$	316	$	120	$	5,225

	For the Nine-Month Period Ended September 30, 2021
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other(1)		Total
Customer Revenue:
Regulated:
Retail electric	$	3,685	$	1,704	$	2,227	$	—	$	—	$	—	$	—	$	(1)	$	7,615
Retail gas	—		633		74		—		—		—		—		—		707
Wholesale	124		307		44		—		31		—		—		(2)		504
Transmission and    distribution	117		45		78		747		—		525		—		—		1,512
Interstate pipeline	—		—		—		—		1,787		—		—		(94)		1,693
Other	80				1				(1)								80
Total Regulated	4,006		2,689		2,424		747		1,817		525		—		(97)		12,111
Nonregulated	—		13		1		26		726		27		693		452		1,938
Total Customer Revenue	4,006		2,702		2,425		773		2,543		552		693		355		14,049
Other revenue	25		24		18		84		41		(5)		80		59		326
Total	$	4,031	$	2,726	$	2,443	$	857	$	2,584	$	547	$	773	$	414	$	14,375

(1)The BHE and Other reportable segment represents amounts related principally to other entities, including MidAmerican Energy Services, LLC, corporate functions and intersegment eliminations.

Real Estate Services

The following table summarizes the Company's real estate services Customer Revenue by line of business (in millions):

	HomeServices
	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2022		2021		2022		2021
Customer Revenue:
Brokerage	$	1,310	$	1,563	$	3,946	$	4,154
Franchise	18		23		55		65
Total Customer Revenue	1,328		1,586		4,001		4,219
Mortgage and other revenue	77		157		283		519
Total	$	1,405	$	1,743	$	4,284	$	4,738

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2022		2021		2022		2021
Operating revenue by country:
U.S.	$	6,967	$	6,499	$	18,588	$	17,700
United Kingdom	351		277		1,011		857
Canada	174		180		535		537
Other	8		12		8		19
Total operating revenue by country	$	7,500	$	6,968	$	20,142	$	19,113

(Loss) income before income tax benefit and equity loss by country:
U.S.	$	(2,068)	$	1,511	$	395	$	3,699
United Kingdom	118		107		344		343
Canada	43		49		135		134
Other	12		8		10		13
Total (loss) income before income tax benefit and equity loss by country	$	(1,895)	$	1,675	$	884	$	4,189

Schedule of Goodwill

The following table shows the change in the carrying amount of goodwill by reportable segment for the nine-month period ended September 30, 2022 (in millions):

									BHE Pipeline Group
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid				BHE Transmission		BHE Renewables		HomeServices
																	Total
December 31, 2021	$	1,129	$	2,102	$	2,369	$	992	$	1,814	$	1,563	$	95	$	1,586	$	11,650
Acquisitions	—		—		—		—		—		—		—		13		13
Foreign currency translation	—		—		—		(123)		—		(135)		—		—		(258)
September 30, 2022	$	1,129	$	2,102	$	2,369	$	869	$	1,814	$	1,428	$	95	$	1,599	$	11,405

MEC

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information by Segment

The following tables provide information on a reportable segment basis (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2022		2021		2022		2021
Operating revenue:
Regulated electric	$	1,009	$	854	$	2,342	$	1,985
Regulated natural gas	138		110		705		728
Other	1		2		3		13
Total operating revenue	$	1,148	$	966	$	3,050	$	2,726
Operating income:
Regulated electric	$	245	$	289	$	383	$	401
Regulated natural gas	(15)		(2)		37		37
Total operating income	230		287		420		438
Interest expense	(79)		(76)		(235)		(224)
Allowance for borrowed funds	3		4		12		8
Allowance for equity funds	12		11		41		25
Other, net	4		8		(11)		34
Income before income tax benefit	$	170	$	234	$	227	$	281

	As of
	September 30, 2022		December 31, 2021
Assets:
Regulated electric	$	22,195	$	21,385
Regulated natural gas	1,841		1,871
Other	—		1
Total assets	$	24,036	$	23,257

Disaggregation of Revenue

The following table summarizes MidAmerican Energy's revenue from contracts with customers ("Customer Revenue") by line of business, with further disaggregation of retail by customer class, including a reconciliation to MidAmerican Energy's reportable segment information included in Note 10 (in millions):

	For the Three-Month Period Ended September 30, 2022								For the Nine-Month Period Ended September 30, 2022
	Electric		Natural Gas		Other		Total		Electric		Natural Gas		Other		Total
Customer Revenue:
Retail:
Residential	$	267	$	58	$	—	$	325	$	620	$	370	$	—	$	990
Commercial	117		20		—		137		282		139		—		421
Industrial	364		9		—		373		839		27		—		866
Natural gas transportation services	—		8		—		8		—		31		—		31
Other retail	51		2		—		53		124		3		—		127
Total retail	799		97		—		896		1,865		570		—		2,435
Wholesale	167		41		—		208		355		133		—		488
Multi-value transmission projects	16		—		—		16		44		—		—		44
Other Customer Revenue	—		—		1		1		—		—		3		3
Total Customer Revenue	982		138		1		1,121		2,264		703		3		2,970
Other revenue	27		—		—		27		78		2		—		80
Total operating revenue	$	1,009	$	138	$	1	$	1,148	$	2,342	$	705	$	3	$	3,050

	For the Three-Month Period Ended September 30, 2021								For the Nine-Month Period Ended September 30, 2021
	Electric		Natural Gas		Other		Total		Electric		Natural Gas		Other		Total
Customer Revenue:
Retail:
Residential	$	255	$	52	$	—	$	307	$	586	$	419	$	—	$	1,005
Commercial	107		17		—		124		258		164		—		422
Industrial	321		5		—		326		741		20		—		761
Natural gas transportation services	—		9		—		9		—		28		—		28
Other retail	53		1		—		54		119		2		—		121
Total retail	736		84		—		820		1,704		633		—		2,337
Wholesale	88		25		—		113		214		93		—		307
Multi-value transmission projects	15		—		—		15		45		—		—		45
Other Customer Revenue	—		—		2		2		—		—		13		13
Total Customer Revenue	839		109		2		950		1,963		726		13		2,702
Other revenue	15		1		—		16		22		2		—		24
Total operating revenue	$	854	$	110	$	2	$	966	$	1,985	$	728	$	13	$	2,726

MidAmerican Funding, LLC

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information by Segment

The following tables provide information on a reportable segment basis (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2022		2021		2022		2021
Operating revenue:
Regulated electric	$	1,009	$	854	$	2,342	$	1,985
Regulated natural gas	138		110		705		728
Other	1		2		3		13
Total operating revenue	$	1,148	$	966	$	3,050	$	2,726
Operating income:
Regulated electric	$	245	$	289	$	383	$	401
Regulated natural gas	(15)		(2)		37		37
Total operating income	230		287		420		438
Interest expense	(84)		(81)		(249)		(237)
Allowance for borrowed funds	3		4		12		8
Allowance for equity funds	12		11		41		25
Other, net	2		8		(12)		34
Income before income tax benefit	$	163	$	229	$	212	$	268

	As of
	September 30, 2022		December 31, 2021
Assets(1):
Regulated electric	$	23,386	$	22,576
Regulated natural gas	1,920		1,950
Other	6		5
Total assets	$	25,312	$	24,531

(1) Assets by reportable segment reflect the assignment of goodwill to applicable reporting units.

SPPC

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information by Segment

The following tables provide information on a reportable segment basis (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2022		2021		2022		2021
Operating revenue:
Regulated electric	$	310	$	266	$	767	$	636
Regulated natural gas	20		16		100		75
Total operating revenue	$	330	$	282	$	867	$	711
Operating income:
Regulated electric	$	74	$	74	$	123	$	126
Regulated natural gas	—		1		12		13
Total operating income	74		75		135		139
Interest expense	(15)		(14)		(42)		(41)
Allowance for borrowed funds	1		1		2		2
Allowance for equity funds	1		2		5		5
Interest and dividend income	5		3		12		6
Other, net	1		3		3		9
Income before income tax expense	$	67	$	70	$	115	$	120

	As of
	September 30,		December 31,
	2022		2021
Assets:
Regulated electric	$	4,136	$	3,829
Regulated natural gas	428		365
Other(1)	63		29
Total assets	$	4,627	$	4,223

(1)    Consists principally of cash and cash equivalents not included in either the regulated electric or regulated natural gas segments.

Disaggregation of Revenue

The following table summarizes Sierra Pacific's revenue from contracts with customers ("Customer Revenue") by line of business, with further disaggregation of retail by customer class, including a reconciliation to Sierra Pacific's reportable segment information included in Note 11 (in millions):

	Three-Month Periods
	Ended September 30,
	2022						2021
	Electric		Natural Gas		Total		Electric		Natural Gas		Total
Customer Revenue:
Retail:
Residential	$	107	$	13	$	120	$	91	$	11	$	102
Commercial	100		5		105		84		3		87
Industrial	73		2		75		71		2		73
Other	2		—		2		1		—		1
Total fully bundled	282		20		302		247		16		263
Distribution only service	1		—		1		1		—		1
Total retail	283		20		303		248		16		264
Wholesale, transmission and other	26		—		26		18		—		18
Total Customer Revenue	309		20		329		266		16		282
Other revenue	1		—		1		—		—		—
Total operating revenue	$	310	$	20	$	330	$	266	$	16	$	282

	Nine-Month Periods
	Ended September 30,
	2022						2021
	Electric		Natural Gas		Total		Electric		Natural Gas		Total
Customer Revenue:
Retail:
Residential	$	270	$	64	$	334	$	229	$	50	$	279
Commercial	251		26		277		202		18		220
Industrial	175		9		184		151		6		157
Other	4		—		4		4		—		4
Total fully bundled	700		99		799		586		74		660
Distribution only service	4		—		4		2		—		2
Total retail	704		99		803		588		74		662
Wholesale, transmission and other	61		—		61		46		—		46
Total Customer Revenue	765		99		864		634		74		708
Other revenue	2		1		3		2		1		3
Total operating revenue	$	767	$	100	$	867	$	636	$	75	$	711