Segment Information (Tables)

9 Months Ended

Sep. 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				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2023		2022		2023		2022
Operating revenue:
PacifiCorp	$	1,676	$	1,635	$	4,487	$	4,246
MidAmerican Funding	964		1,148		2,643		3,050
NV Energy	1,518		1,334		3,636		2,926
Northern Powergrid	314		359		975		1,019
BHE Pipeline Group	804		964		2,795		2,855
BHE Transmission	196		177		593		543
BHE Renewables	519		506		1,349		1,320
HomeServices	1,212		1,405		3,383		4,284
BHE and Other(1)	(33)		(28)		(116)		(101)
Total operating revenue	$	7,170	$	7,500	$	19,745	$	20,142

Depreciation and amortization:
PacifiCorp	$	285	$	277	$	843	$	836
MidAmerican Funding	210		338		670		865
NV Energy	155		144		460		423
Northern Powergrid	97		92		267		272
BHE Pipeline Group	136		124		403		380
BHE Transmission	64		58		190		176
BHE Renewables	67		68		200		199
HomeServices	12		14		37		43
BHE and Other(1)	1		1		2		3
Total depreciation and amortization	$	1,027	$	1,116	$	3,072	$	3,197

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2023		2022		2023		2022
Operating income:
PacifiCorp	$	(943)	$	437	$	(979)	$	811
MidAmerican Funding	289		230		495		420
NV Energy	328		332		502		534
Northern Powergrid	102		151		369		420
BHE Pipeline Group	290		433		1,242		1,323
BHE Transmission	80		81		244		248
BHE Renewables	155		138		175		347
HomeServices	31		53		32		198
BHE and Other(1)	(18)		(32)		(53)		(35)
Total operating income	314		1,823		2,027		4,266
Interest expense	(603)		(555)		(1,788)		(1,637)
Capitalized interest	36		19		93		54
Allowance for equity funds	76		43		186		123
Interest and dividend income	110		40		323		93
(Losses) gains on marketable securities, net	(76)		(3,270)		926		(1,999)
Other, net	(3)		5		115		(16)
Total income (loss) before income tax expense (benefit) and equity income (loss)	$	(146)	$	(1,895)	$	1,882	$	884

Interest expense:
PacifiCorp	$	140	$	105	$	398	$	318
MidAmerican Funding	89		84		258		249
NV Energy	65		55		192		158
Northern Powergrid	26		31		86		97
BHE Pipeline Group	39		37		117		110
BHE Transmission	37		39		112		115
BHE Renewables	36		46		124		133
HomeServices	3		2		11		5
BHE and Other(1)	168		156		490		452
Total interest expense	$	603	$	555	$	1,788	$	1,637

Earnings (loss) on common shares:
PacifiCorp	$	(652)	$	409	$	(665)	$	622
MidAmerican Funding	321		300		803		745
NV Energy	278		270		402		392
Northern Powergrid	66		100		173		282
BHE Pipeline Group	175		234		731		755
BHE Transmission	59		59		181		183
BHE Renewables	160		176		445		585
HomeServices	25		29		25		134
BHE and Other(1)	54		(2,427)		438		(1,809)
Total earnings (loss) on common shares	$	486	$	(850)	$	2,533	$	1,889

	As of
	September 30,		December 31,
	2023		2022
Assets:
PacifiCorp	$	32,515	$	30,559
MidAmerican Funding	26,907		26,077
NV Energy	17,817		16,676
Northern Powergrid	9,223		9,005
BHE Pipeline Group	21,435		21,005
BHE Transmission	9,390		9,334
BHE Renewables	11,321		12,632
HomeServices	3,597		3,436
BHE and Other(1)	3,877		5,116
Total assets	$	136,082	$	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 September 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	$	1,543	$	773	$	1,448	$	—	$	—	$	—	$	—	$	(1)	$	3,763
Retail gas	—		77		28		—		—		—		—		—		105
Wholesale	47		81		15		—		—		—		—		(2)		141
Transmission and    distribution	44		15		21		248		—		165		—		—		493
Interstate pipeline	—		—		—		—		551		—		—		(30)		521
Other	31		—		—		—		8		—		—		—		39
Total Regulated	1,665		946		1,512		248		559		165		—		(33)		5,062
Nonregulated	—		2		2		35		230		30		457		(2)		754
Total Customer Revenue	1,665		948		1,514		283		789		195		457		(35)		5,816
Other revenue	11		16		4		32		15		1		62		1		142
Total	$	1,676	$	964	$	1,518	$	315	$	804	$	196	$	519	$	(34)	$	5,958

	For the Nine-Month Period Ended September 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	$	4,124	$	1,833	$	3,339	$	—	$	—	$	—	$	—	$	(1)	$	9,295
Retail gas	—		463		167		—		—		—		—		—		630
Wholesale	134		233		55		—		—		—		—		(1)		421
Transmission and    distribution	116		42		58		773		—		496		—		—		1,485
Interstate pipeline	—		—		—		—		1,971		—		—		(113)		1,858
Other	87		—		—		—		9		—		—		—		96
Total Regulated	4,461		2,571		3,619		773		1,980		496		—		(115)		13,785
Nonregulated	—		6		3		113		766		100		1,138		(1)		2,125
Total Customer Revenue	4,461		2,577		3,622		886		2,746		596		1,138		(116)		15,910
Other revenue	26		66		14		89		49		(3)		211		—		452
Total	$	4,487	$	2,643	$	3,636	$	975	$	2,795	$	593	$	1,349	$	(116)	$	16,362

	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		440		1		855
Total Customer Revenue	1,612		1,121		1,327		331		921		184		440		(26)		5,910
Other revenue	23		27		7		28		43		(7)		67		(3)		185
Total	$	1,635	$	1,148	$	1,334	$	359	$	964	$	177	$	507	$	(29)	$	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		1,156		—		2,215
Total Customer Revenue	4,199		2,970		2,908		931		2,754		554		1,156		(98)		15,374
Other revenue	47		80		18		88		101		(11)		165		(4)		484
Total	$	4,246	$	3,050	$	2,926	$	1,019	$	2,855	$	543	$	1,321	$	(102)	$	15,858

(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				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2023		2022		2023		2022
Customer Revenue:
Brokerage	$	1,125	$	1,310	$	3,126	$	3,946
Franchise	16		18		43		55
Total Customer Revenue	1,141		1,328		3,169		4,001
Mortgage and other revenue	71		77		214		283
Total	$	1,212	$	1,405	$	3,383	$	4,284

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2023		2022		2023		2022
Operating revenue by country:
U.S.	$	6,677	$	6,967	$	18,241	$	18,588
United Kingdom	308		351		936		1,011
Canada	179		174		529		535
Australia	6		8		39		8
Total operating revenue by country	$	7,170	$	7,500	$	19,745	$	20,142

Income (loss) before income tax expense (benefit) and equity income (loss) by country:
U.S.	$	(271)	$	(2,068)	$	1,462	$	395
United Kingdom	68		118		274		344
Canada	48		43		135		135
Australia	11		11		13		12
Other	(2)		1		(2)		(2)
Total income (loss) before income tax expense (benefit) and equity income (loss) by country	$	(146)	$	(1,895)	$	1,882	$	884

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, 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	—		—		—		5		—		(6)		—		—		(1)
Other	—		—		—		—		—		—		—		(7)		(7)
September 30, 2023	$	1,129	$	2,102	$	2,369	$	922	$	1,814	$	1,455	$	95	$	1,596	$	11,482

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,
	2023		2022		2023		2022
Operating revenue:
Regulated electric	$	869	$	1,009	$	2,121	$	2,342
Regulated natural gas	93		138		516		705
Other	2		1		6		3
Total operating revenue	$	964	$	1,148	$	2,643	$	3,050
Operating income:
Regulated electric	$	295	$	245	$	465	$	383
Regulated natural gas	(6)		(15)		30		37
Total operating income	289		230		495		420
Interest expense	(85)		(79)		(246)		(235)
Allowance for borrowed funds	6		3		14		12
Allowance for equity funds	16		12		40		41
Other, net	6		4		37		(11)
Total income before income tax expense (benefit)	$	232	$	170	$	340	$	227

	As of
	September 30, 2023		December 31, 2022
Assets:
Regulated electric	$	22,993	$	22,092
Regulated natural gas	1,818		1,885
Other	1		1
Total assets	$	24,812	$	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 September 30, 2023								For the Nine-Month Period Ended September 30, 2023
	Electric		Natural Gas		Other		Total		Electric		Natural Gas		Other		Total
Customer Revenue:
Retail:
Residential	$	254	$	48	$	—	$	302	$	594	$	305	$	—	$	899
Commercial	111		14		—		125		272		109		—		381
Industrial	360		3		—		363		846		14		—		860
Natural gas transportation services	—		11		—		11		—		34		—		34
Other retail	48		1		—		49		121		1		—		122
Total retail	773		77		—		850		1,833		463		—		2,296
Wholesale	66		15		—		81		182		51		—		233
Multi-value transmission projects	15		—		—		15		42		—		—		42
Other Customer Revenue	—		—		2		2		—		—		6		6
Total Customer Revenue	854		92		2		948		2,057		514		6		2,577
Other revenue	15		1		—		16		64		2		—		66
Total operating revenue	$	869	$	93	$	2	$	964	$	2,121	$	516	$	6	$	2,643

	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

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,
	2023		2022		2023		2022
Operating revenue:
Regulated electric	$	869	$	1,009	$	2,121	$	2,342
Regulated natural gas	93		138		516		705
Other	2		1		6		3
Total operating revenue	$	964	$	1,148	$	2,643	$	3,050
Operating income:
Regulated electric	$	295	$	245	$	465	$	383
Regulated natural gas	(6)		(15)		30		37
Total operating income	289		230		495		420
Interest expense	(89)		(84)		(258)		(249)
Allowance for borrowed funds	6		3		14		12
Allowance for equity funds	16		12		40		41
Other, net	6		2		49		(12)
Total income before income tax expense (benefit)	$	228	$	163	$	340	$	212

	As of
	September 30, 2023		December 31, 2022
Assets(1):
Regulated electric	$	24,184	$	23,283
Regulated natural gas	1,897		1,963
Other	13		8
Total assets	$	26,094	$	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				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2023		2022		2023		2022
Operating revenue:
Regulated electric	$	345	$	310	$	942	$	767
Regulated natural gas	27		20		167		100
Total operating revenue	$	372	$	330	$	1,109	$	867
Operating income:
Regulated electric	$	78	$	74	$	126	$	123
Regulated natural gas	—		—		13		12
Total operating income	78		74		139		135
Interest expense	(16)		(15)		(47)		(42)
Allowance for borrowed funds	—		1		5		2
Allowance for equity funds	5		1		10		5
Interest and dividend income	6		5		18		12
Other, net	1		1		3		3
Total income before income tax expense (benefit)	$	74	$	67	$	128	$	115

	As of
	September 30,		December 31,
	2023		2022
Assets:
Regulated electric	$	4,238	$	4,224
Regulated natural gas	451		441
Other(1)	76		67
Total assets	$	4,765	$	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 September 30,
	2023						2022
	Electric		Natural Gas		Total		Electric		Natural Gas		Total
Customer Revenue:
Retail:
Residential	$	116	$	15	$	131	$	107	$	13	$	120
Commercial	111		6		117		100		5		105
Industrial	96		5		101		73		2		75
Other	—		1		1		2		—		2
Total fully bundled	323		27		350		282		20		302
Distribution only service	2		—		2		1		—		1
Total retail	325		27		352		283		20		303
Wholesale, transmission and other	20		—		20		26		—		26
Total Customer Revenue	345		27		372		309		20		329
Other revenue	—		—		—		1		—		1
Total operating revenue	$	345	$	27	$	372	$	310	$	20	$	330

	Nine-Month Periods
	Ended September 30,
	2023						2022
	Electric		Natural Gas		Total		Electric		Natural Gas		Total
Customer Revenue:
Retail:
Residential	$	326	$	100	$	426	$	270	$	64	$	334
Commercial	304		45		349		251		26		277
Industrial	241		20		261		175		9		184
Other	3		1		4		4		—		4
Total fully bundled	874		166		1,040		700		99		799
Distribution only service	4		—		4		4		—		4
Total retail	878		166		1,044		704		99		803
Wholesale, transmission and other	64		—		64		61		—		61
Total Customer Revenue	942		166		1,108		765		99		864
Other revenue	—		1		1		2		1		3
Total operating revenue	$	942	$	167	$	1,109	$	767	$	100	$	867