Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

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. Effective January 1, 2023, the Company's unregulated retail energy services business was transferred to a subsidiary of BHE Renewables. Prior period amounts, which were previously reported in BHE and Other, have been changed to reflect this activity in BHE Renewables. Information related to the Company's reportable segments is shown below (in millions):

	Three-Month Periods				Six-Month Periods
	Ended June 30,				Ended June 30,
	2023		2022		2023		2022
Operating revenue:
PacifiCorp	$	1,327	$	1,314	$	2,811	$	2,611
MidAmerican Funding	759		897		1,679		1,902
NV Energy	1,119		899		2,118		1,592
Northern Powergrid	307		345		661		660
BHE Pipeline Group	818		856		1,991		1,891
BHE Transmission	192		183		397		366
BHE Renewables	437		478		830		814
HomeServices	1,296		1,672		2,171		2,879
BHE and Other(1)	(26)		(32)		(83)		(73)
Total operating revenue	$	6,229	$	6,612	$	12,575	$	12,642

Depreciation and amortization:
PacifiCorp	$	279	$	279	$	558	$	559
MidAmerican Funding	226		277		460		527
NV Energy	153		139		305		279
Northern Powergrid	85		100		170		180
BHE Pipeline Group	95		125		267		256
BHE Transmission	65		60		126		118
BHE Renewables	67		65		133		131
HomeServices	12		14		25		29
BHE and Other(1)	—		—		1		2
Total depreciation and amortization	$	982	$	1,059	$	2,045	$	2,081

	Three-Month Periods				Six-Month Periods
	Ended June 30,				Ended June 30,
	2023		2022		2023		2022
Operating income:
PacifiCorp	$	131	$	158	$	(36)	$	374
MidAmerican Funding	118		90		206		190
NV Energy	117		140		174		202
Northern Powergrid	121		110		267		269
BHE Pipeline Group	368		352		952		890
BHE Transmission	76		84		164		167
BHE Renewables	89		155		20		209
HomeServices	46		117		1		145
BHE and Other(1)	(20)		1		(35)		(3)
Total operating income	1,046		1,207		1,713		2,443
Interest expense	(599)		(550)		(1,185)		(1,082)
Capitalized interest	33		18		57		35
Allowance for equity funds	61		42		110		80
Interest and dividend income	127		30		213		53
Gains on marketable securities, net	303		2,528		1,002		1,271
Other, net	78		(26)		118		(21)
Total income (loss) before income tax expense (benefit) and equity income (loss)	$	1,049	$	3,249	$	2,028	$	2,779

Interest expense:
PacifiCorp	$	134	$	107	$	258	$	213
MidAmerican Funding	85		83		169		165
NV Energy	64		52		127		103
Northern Powergrid	30		34		60		66
BHE Pipeline Group	39		36		78		73
BHE Transmission	38		38		75		76
BHE Renewables	43		45		88		87
HomeServices	4		2		8		3
BHE and Other(1)	162		153		322		296
Total interest expense	$	599	$	550	$	1,185	$	1,082

Earnings on common shares:
PacifiCorp	$	107	$	83	$	(13)	$	213
MidAmerican Funding	233		204		482		445
NV Energy	90		93		124		122
Northern Powergrid	96		71		107		182
BHE Pipeline Group	187		199		556		521
BHE Transmission	58		62		122		124
BHE Renewables	206		264		285		409
HomeServices	34		84		—		105
BHE and Other(1)	55		1,824		384		618
Total earnings on common shares	$	1,066	$	2,884	$	2,047	$	2,739

	As of
	June 30,		December 31,
	2023		2022
Assets:
PacifiCorp	$	31,700	$	30,559
MidAmerican Funding	26,241		26,077
NV Energy	17,495		16,676
Northern Powergrid	9,531		9,005
BHE Pipeline Group	20,937		21,005
BHE Transmission	9,599		9,334
BHE Renewables	11,295		12,632
HomeServices	3,795		3,436
BHE and Other(1)	7,158		5,116
Total assets	$	137,751	$	133,840

(1)The differences between the reportable segment amounts and the consolidated amounts, described as BHE and Other, relate principally to other corporate entities, 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 14 (in millions):

	For the Three-Month Period Ended June 30, 2023
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other(1)		Total
Customer Revenue:
Regulated:
Retail electric	$	1,232	$	569	$	1,043	$	—	$	—	$	—	$	—	$	—	$	2,844
Retail gas	—		90		43		—		—		—		—		—		133
Wholesale	26		52		9		—		—		—		—		2		89
Transmission and    distribution	34		13		19		244		—		166		—		—		476
Interstate pipeline	—		—		—		—		542		—		—		(27)		515
Other	24		—		—		—		(1)		—		—		—		23
Total Regulated	1,316		724		1,114		244		541		166		—		(25)		4,080
Nonregulated	—		1		—		33		270		30		376		1		711
Total Customer Revenue	1,316		725		1,114		277		811		196		376		(24)		4,791
Other revenue	11		34		5		29		7		(4)		61		(1)		142
Total	$	1,327	$	759	$	1,119	$	306	$	818	$	192	$	437	$	(25)	$	4,933

	For the Six-Month Period Ended June 30, 2023
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other(1)		Total
Customer Revenue:
Regulated:
Retail electric	$	2,581	$	1,060	$	1,891	$	—	$	—	$	—	$	—	$	—	$	5,532
Retail gas	—		386		139		—		—		—		—		—		525
Wholesale	87		152		40		—		—		—		—		1		280
Transmission and    distribution	72		27		37		525		—		331		—		—		992
Interstate pipeline	—		—		—		—		1,420		—		—		(83)		1,337
Other	56		—		—		—		1		—		—		—		57
Total Regulated	2,796		1,625		2,107		525		1,421		331		—		(82)		8,723
Nonregulated	—		4		1		78		536		70		681		1		1,371
Total Customer Revenue	2,796		1,629		2,108		603		1,957		401		681		(81)		10,094
Other revenue	15		50		10		57		34		(4)		149		(1)		310
Total	$	2,811	$	1,679	$	2,118	$	660	$	1,991	$	397	$	830	$	(82)	$	10,404

	For the Three-Month Period Ended June 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	$	1,167	$	594	$	831	$	—	$	—	$	—	$	—	$	(1)	$	2,591
Retail gas	—		136		28		—		—		—		—		—		164
Wholesale	55		119		15		—		—		—		—		(2)		187
Transmission and    distribution	45		13		18		274		—		172		—		—		522
Interstate pipeline	—		—		—		—		524		—		—		(27)		497
Other	28		—		—		—		—		—		—		—		28
Total Regulated	1,295		862		892		274		524		172		—		(30)		3,989
Nonregulated	—		—		1		42		285		15		414		(1)		756
Total Customer Revenue	1,295		862		893		316		809		187		414		(31)		4,745
Other revenue	19		35		6		29		47		(4)		32		31		195
Total	$	1,314	$	897	$	899	$	345	$	856	$	183	$	446	$	—	$	4,940

	For the Six-Month Period Ended June 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	$	2,352	$	1,066	$	1,430	$	—	$	—	$	—	$	—	$	(1)	$	4,847
Retail gas	—		473		79		—		—		—		—		—		552
Wholesale	110		280		35		—		—		—		—		(2)		423
Transmission and    distribution	77		28		35		543		—		348		—		—		1,031
Interstate pipeline	—		—		—		—		1,269		—		—		(68)		1,201
Other	48		—		1		—		1		—		—		—		50
Total Regulated	2,587		1,847		1,580		543		1,270		348		—		(71)		8,104
Nonregulated	—		2		1		57		563		22		716		(1)		1,360
Total Customer Revenue	2,587		1,849		1,581		600		1,833		370		716		(72)		9,464
Other revenue	24		53		11		60		58		(4)		98		(1)		299
Total	$	2,611	$	1,902	$	1,592	$	660	$	1,891	$	366	$	814	$	(73)	$	9,763

(1)The BHE and Other reportable segment represents amounts related principally to other corporate entities, 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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2023		2022		2023		2022
Customer Revenue:
Brokerage	$	1,202	$	1,544	$	2,001	$	2,636
Franchise	15		17		27		37
Total Customer Revenue	1,217		1,561		2,028		2,673
Mortgage and other revenue	79		111		143		206
Total	$	1,296	$	1,672	$	2,171	$	2,879

	Three-Month Periods				Six-Month Periods
	Ended June 30,				Ended June 30,
	2023		2022		2023		2022
Operating revenue by country:
U.S.	$	5,749	$	6,087	$	11,564	$	11,621
United Kingdom	295		345		628		660
Canada	173		180		350		361
Australia	12		—		33		—
Total operating revenue by country	$	6,229	$	6,612	$	12,575	$	12,642

Income (loss) before income tax expense (benefit) and equity income (loss) by country:
U.S.	$	914	$	3,117	$	1,733	$	2,463
United Kingdom	93		87		206		226
Canada	44		46		87		92
Australia	(3)		1		2		1
Other	1		(2)		—		(3)
Total income (loss) before income tax expense (benefit) and equity income (loss) by country	$	1,049	$	3,249	$	2,028	$	2,779

Schedule of Goodwill

The following table shows the change in the carrying amount of goodwill by reportable segment for the six-month period ended June 30, 2023 (in millions):

									BHE Pipeline Group
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid				BHE Transmission		BHE Renewables		HomeServices
																	Total
December 31, 2022	$	1,129	$	2,102	$	2,369	$	917	$	1,814	$	1,461	$	95	$	1,602	$	11,489
Acquisitions	—		—		—		—		—		—		—		1		1
Foreign currency translation	—		—		—		32		—		31		—		—		63
Other	—		—		—		—		—		—		—		(7)		(7)
June 30, 2023	$	1,129	$	2,102	$	2,369	$	949	$	1,814	$	1,492	$	95	$	1,596	$	11,546

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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2023		2022		2023		2022
Operating revenue:
Regulated electric	$	661	$	725	$	1,252	$	1,333
Regulated natural gas	97		171		423		567
Other	1		1		4		2
Total operating revenue	$	759	$	897	$	1,679	$	1,902
Operating income:
Regulated electric	$	120	$	87	$	170	$	138
Regulated natural gas	(2)		3		36		52
Total operating income	118		90		206		190
Interest expense	(81)		(78)		(161)		(156)
Allowance for borrowed funds	4		5		8		9
Allowance for equity funds	13		14		24		29
Other, net	15		(12)		31		(15)
Total income before income tax expense (benefit)	$	69	$	19	$	108	$	57

	As of
	June 30, 2023		December 31, 2022
Assets:
Regulated electric	$	22,425	$	22,092
Regulated natural gas	1,717		1,885
Other	1		1
Total assets	$	24,143	$	23,978

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 12 (in millions):

	For the Three-Month Period Ended June 30, 2023								For the Six-Month Period Ended June 30, 2023
	Electric		Natural Gas		Other		Total		Electric		Natural Gas		Other		Total
Customer Revenue:
Retail:
Residential	$	173	$	58	$	—	$	231	$	340	$	257	$	—	$	597
Commercial	86		17		—		103		161		95		—		256
Industrial	272		4		—		276		486		11		—		497
Natural gas transportation services	—		10		—		10		—		23		—		23
Other retail	38		1		—		39		73		—		—		73
Total retail	569		90		—		659		1,060		386		—		1,446
Wholesale	45		7		—		52		116		36		—		152
Multi-value transmission projects	13		—		—		13		27		—		—		27
Other Customer Revenue	—		—		1		1		—		—		4		4
Total Customer Revenue	627		97		1		725		1,203		422		4		1,629
Other revenue	34		—		—		34		49		1		—		50
Total operating revenue	$	661	$	97	$	1	$	759	$	1,252	$	423	$	4	$	1,679

	For the Three-Month Period Ended June 30, 2022								For the Six-Month Period Ended June 30, 2022
	Electric		Natural Gas		Other		Total		Electric		Natural Gas		Other		Total
Customer Revenue:
Retail:
Residential	$	185	$	87	$	—	$	272	$	353	$	312	$	—	$	665
Commercial	91		31		—		122		165		119		—		284
Industrial	277		9		—		286		475		18		—		493
Natural gas transportation services	—		9		—		9		—		23		—		23
Other retail	41		—		—		41		73		1		—		74
Total retail	594		136		—		730		1,066		473		—		1,539
Wholesale	84		34		—		118		188		92		—		280
Multi-value transmission projects	13		—		—		13		28		—		—		28
Other Customer Revenue	—		—		1		1		—		—		2		2
Total Customer Revenue	691		170		1		862		1,282		565		2		1,849
Other revenue	34		1		—		35		51		2		—		53
Total operating revenue	$	725	$	171	$	1	$	897	$	1,333	$	567	$	2	$	1,902

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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2023		2022		2023		2022
Operating revenue:
Regulated electric	$	661	$	725	$	1,252	$	1,333
Regulated natural gas	97		171		423		567
Other	1		1		4		2
Total operating revenue	$	759	$	897	$	1,679	$	1,902
Operating income:
Regulated electric	$	120	$	87	$	170	$	138
Regulated natural gas	(2)		3		36		52
Total operating income	118		90		206		190
Interest expense	(85)		(83)		(169)		(165)
Allowance for borrowed funds	4		5		8		9
Allowance for equity funds	13		14		24		29
Other, net	15		(10)		43		(14)
Total income before income tax expense (benefit)	$	65	$	16	$	112	$	49

	As of
	June 30, 2023		December 31, 2022
Assets(1):
Regulated electric	$	23,616	$	23,283
Regulated natural gas	1,796		1,963
Other	13		8
Total assets	$	25,425	$	25,254

(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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2023		2022		2023		2022
Operating revenue:
Regulated electric	$	293	$	230	$	597	$	457
Regulated natural gas	44		28		140		80
Total operating revenue	$	337	$	258	$	737	$	537
Operating income:
Regulated electric	$	23	$	19	$	48	$	49
Regulated natural gas	3		4		13		12
Total operating income	26		23		61		61
Interest expense	(15)		(14)		(31)		(27)
Allowance for borrowed funds	3		—		5		1
Allowance for equity funds	3		2		5		4
Interest and dividend income	5		4		12		7
Other, net	1		—		2		2
Total income before income tax expense (benefit)	$	23	$	15	$	54	$	48

	As of
	June 30,		December 31,
	2023		2022
Assets:
Regulated electric	$	4,182	$	4,224
Regulated natural gas	444		441
Other(1)	58		67
Total assets	$	4,684	$	4,732

(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 June 30,
	2023						2022
	Electric		Natural Gas		Total		Electric		Natural Gas		Total
Customer Revenue:
Retail:
Residential	$	95	$	25	$	120	$	79	$	19	$	98
Commercial	102		12		114		82		6		88
Industrial	82		6		88		53		3		56
Other	1		—		1		1		—		1
Total fully bundled	280		43		323		215		28		243
Distribution only service	1		—		1		1		—		1
Total retail	281		43		324		216		28		244
Wholesale, transmission and other	12		—		12		14		—		14
Total Customer Revenue	293		43		336		230		28		258
Other revenue	—		1		1		—		—		—
Total operating revenue	$	293	$	44	$	337	$	230	$	28	$	258

	Six-Month Periods
	Ended June 30,
	2023						2022
	Electric		Natural Gas		Total		Electric		Natural Gas		Total
Customer Revenue:
Retail:
Residential	$	210	$	85	$	295	$	162	$	51	$	213
Commercial	193		39		232		151		21		172
Industrial	145		15		160		102		7		109
Other	3		—		3		3		—		3
Total fully bundled	551		139		690		418		79		497
Distribution only service	2		—		2		3		—		3
Total retail	553		139		692		421		79		500
Wholesale, transmission and other	44		—		44		35		—		35
Total Customer Revenue	597		139		736		456		79		535
Other revenue	—		1		1		1		1		2
Total operating revenue	$	597	$	140	$	737	$	457	$	80	$	537