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Segment Information
 12 Months Ended
Dec. 31, 2022
Segment Reporting Information [Line Items]  
Segment Information Segment Information
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):
Years Ended December 31,
202220212020
Operating revenue:
PacifiCorp$5,679 $5,296 $5,341 
MidAmerican Funding4,025 3,547 2,728 
NV Energy3,824 3,107 2,854 
Northern Powergrid1,365 1,188 1,022 
BHE Pipeline Group3,844 3,544 1,578 
BHE Transmission732 731 659 
BHE Renewables994 981 936 
HomeServices5,268 6,215 5,396 
BHE and Other(1)
606 541 438 
Total operating revenue$26,337 $25,150 $20,952 
   
Depreciation and amortization:   
PacifiCorp$1,120 $1,088 $1,209 
MidAmerican Funding1,168 914 716 
NV Energy566 549 502 
Northern Powergrid361 305 266 
BHE Pipeline Group508 492 231 
BHE Transmission239 238 201 
BHE Renewables264 241 284 
HomeServices56 52 45 
BHE and Other(1)
4 2 1 
Total depreciation and amortization$4,286 $3,881 $3,455 
   
Years Ended December 31,
202220212020
Operating income:
PacifiCorp$1,158 $1,133 $924 
MidAmerican Funding438 416 454 
NV Energy606 621 649 
Northern Powergrid551 543 421 
BHE Pipeline Group1,720 1,516 779 
BHE Transmission333 339 316 
BHE Renewables300 329 291 
HomeServices151 505 511 
BHE and Other(1)
(16)(75)(54)
Total operating income5,241 5,327 4,291 
Interest expense(2,216)(2,118)(2,021)
Capitalized interest76 64 80 
Allowance for equity funds167 126 165 
Interest and dividend income154 89 71 
(Losses) gains on marketable securities, net(2,002)1,823 4,797 
Other, net(7)(17)88 
Total income before income tax (benefit) expense and equity loss$1,413 $5,294 $7,471 
Interest expense:
PacifiCorp$431 $430 $426 
MidAmerican Funding333 319 322 
NV Energy221 206 227 
Northern Powergrid133 130 130 
BHE Pipeline Group148 143 74 
BHE Transmission153 155 148 
BHE Renewables175 158 166 
HomeServices7 4 11 
BHE and Other(1)
615 573 517 
Total interest expense$2,216 $2,118 $2,021 
Income tax (benefit) expense:
PacifiCorp$(61)$(78)$(75)
MidAmerican Funding(776)(680)(574)
NV Energy56 56 61 
Northern Powergrid75 192 96 
BHE Pipeline Group276 269 162 
BHE Transmission14 10 13 
BHE Renewables(2)
(887)(753)(602)
HomeServices47 138 138 
BHE and Other(1)
(660)(286)1,089 
Total income tax (benefit) expense$(1,916)$(1,132)$308 
Years Ended December 31,
202220212020
Earnings on common shares:
PacifiCorp$921 $889 $741 
MidAmerican Funding947 883 818 
NV Energy427 439 410 
Northern Powergrid385 247 201 
BHE Pipeline Group1,040 807 528 
BHE Transmission247 247 231 
BHE Renewables(2)
625 451 521 
HomeServices100 387 375 
BHE and Other(1)
(2,017)1,319 3,092 
Total earnings on common shares$2,675 $5,669 $6,917 
Capital expenditures:
PacifiCorp$2,166 $1,513 $2,540 
MidAmerican Funding1,869 1,912 1,836 
NV Energy1,113 749 675 
Northern Powergrid768 742 682 
BHE Pipeline Group1,157 1,128 659 
BHE Transmission200 279 372 
BHE Renewables138 225 95 
HomeServices48 42 36 
BHE and Other46 21 (130)
Total capital expenditures$7,505 $6,611 $6,765 
As of December 31,
202220212020
Property, plant and equipment, net:
PacifiCorp$24,430 $22,914 $22,430 
MidAmerican Funding21,092 20,302 19,279 
NV Energy10,993 10,231 9,865 
Northern Powergrid7,445 7,572 7,230 
BHE Pipeline Group16,216 15,692 15,097 
BHE Transmission6,209 6,590 6,445 
BHE Renewables6,231 6,103 5,645 
HomeServices188 169 159 
BHE and Other239 243 (22)
Total property, plant and equipment, net$93,043 $89,816 $86,128 
As of December 31,
202220212020
Total assets:
PacifiCorp$30,559 $27,615 $26,862 
MidAmerican Funding26,077 25,352 23,530 
NV Energy16,676 15,239 14,501 
Northern Powergrid9,005 9,326 8,782 
BHE Pipeline Group21,005 20,434 19,541 
BHE Transmission9,334 9,476 9,208 
BHE Renewables11,458 11,829 12,004 
HomeServices3,436 4,574 4,955 
BHE and Other6,290 8,220 7,933 
Total assets$133,840 $132,065 $127,316 
Years Ended December 31,
202220212020
Operating revenue by country:
U.S.$24,263 $23,215 $19,254 
United Kingdom1,345 1,188 1,022 
Canada709 719 653 
Australia20 — — 
Other— 28 23 
Total operating revenue by country$26,337 $25,150 $20,952 
Income before income tax (benefit) expense and equity loss by country:
U.S.$771 $4,650 $6,954 
United Kingdom447 454 338 
Canada181 181 173 
Australia15 (8)— 
Other(1)17 6 
Total income before income tax (benefit) expense and equity loss by country$1,413 $5,294 $7,471 
As of December 31,
202220212020
Property, plant and equipment, net by country:
U.S.$79,578 $75,774 $72,583 
United Kingdom6,959 7,487 7,134 
Canada6,091 6,547 6,401 
Australia415 8 10 
Total property, plant and equipment, net by country$93,043 $89,816 $86,128 

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

(2)Income tax (benefit) expense includes the tax attributes of disregarded entities that are not required to pay income taxes and the earnings of which are taxable directly to BHE.
The following table shows the change in the carrying amount of goodwill by reportable segment for the years ended December 31, 2022 and 2021 (in millions):
BHE
MidAmericanNVNorthernPipelineBHEBHE
PacifiCorpFundingEnergyPowergridGroupTransmissionRenewablesHomeServicesTotal
December 31, 2020$1,129 $2,102 $2,369 $1,000 $1,803 $1,551 $95 $1,457 $11,506 
Acquisitions— — — — 11 — — 129 140 
Foreign currency translation
— — — (8)— 12 — — 4 
December 31, 20211,129 2,102 2,369 992 1,814 1,563 95 1,586 11,650 
Acquisitions— — — — — — — 16 16 
Foreign currency translation
— — — (75)— (102)— — (177)
December 31, 2022$1,129 $2,102 $2,369 $917 $1,814 $1,461 $95 $1,602 $11,489 
MEC  
Segment Reporting Information [Line Items]  
Segment Information Segment InformationMidAmerican Energy has identified two reportable operating segments: regulated electric and regulated natural gas. The regulated electric segment derives most of its revenue from regulated retail sales of electricity to residential, commercial, and industrial customers and from wholesale sales. The regulated natural gas segment derives most of its revenue from regulated retail sales of natural gas to residential, commercial, and industrial customers and also obtains revenue by transporting natural gas owned by others through its distribution system. Pricing for regulated electric and regulated natural gas sales are established separately by regulatory agencies; therefore, management also reviews each segment separately to make decisions regarding allocation of resources and in evaluating performance. Common operating costs, interest income, interest expense and income tax expense are allocated to each segment based on certain factors, which primarily relate to the nature of the cost. Refer to Note 9 for a discussion of items affecting income tax (benefit) expense for the regulated electric and natural gas operating segments.
The following tables provide information on a reportable segment basis (in millions):
Years Ended December 31,
202220212020
Operating revenue:
Regulated electric$2,988 $2,529 $2,139 
Regulated natural gas1,030 1,003 573 
Other7 15 8 
Total operating revenue$4,025 $3,547 $2,720 
Depreciation and amortization:
Regulated electric$1,112 $861 $667 
Regulated natural gas56 53 49 
Total depreciation and amortization$1,168 $914 $716 
Operating income:
Regulated electric$372 $358 $384 
Regulated natural gas66 58 64 
Total operating income$438 $416 $448 
Interest expense:
Regulated electric$290 $279 $281 
Regulated natural gas23 23 23 
Total interest expense$313 $302 $304 
Years Ended December 31,
202220212020
Income tax (benefit) expense:
Regulated electric$(779)$(677)$(584)
Regulated natural gas9 3 14 
Other— (1)— 
Total income tax (benefit) expense$(770)$(675)$(570)
Net income:
Regulated electric$931 $844 $780 
Regulated natural gas30 50 45 
Other— — 1 
Net income$961 $894 $826 
Capital expenditures:
Regulated electric$1,742 $1,806 $1,704 
Regulated natural gas127 106 132 
Total capital expenditures$1,869 $1,912 $1,836 
As of December 31,
202220212020
Total assets:
Regulated electric$22,092 $21,385 $19,892 
Regulated natural gas1,885 1,871 1,544 
Other1 1 1 
Total assets$23,978 $23,257 $21,437 
MidAmerican Funding, LLC  
Segment Reporting Information [Line Items]  
Segment Information Segment Information
MidAmerican Funding has identified two reportable operating segments: regulated electric and regulated natural gas. The regulated electric segment derives most of its revenue from regulated retail sales of electricity to residential, commercial, and industrial customers and from wholesale sales. The regulated natural gas segment derives most of its revenue from regulated retail sales of natural gas to residential, commercial, and industrial customers and also obtains revenue by transporting natural gas owned by others through its distribution system. Pricing for regulated electric and regulated natural gas sales are established separately by regulatory agencies; therefore, management also reviews each segment separately to make decisions regarding allocation of resources and in evaluating performance. Common operating costs, interest income, interest expense and income tax expense are allocated to each segment based on certain factors, which primarily relate to the nature of the cost. "Other" in the tables below consists of the nonregulated subsidiaries of MidAmerican Funding not engaged in the energy business and parent company interest expense. Refer to Note 9 for a discussion of items affecting income tax (benefit) expense for the regulated electric and natural gas operating segments.

The following tables provide information on a reportable segment basis (in millions):
Years Ended December 31,
202220212020
Operating revenue:
Regulated electric$2,988 $2,529 $2,139 
Regulated natural gas1,030 1,003 573 
Other7 15 16 
Total operating revenue$4,025 $3,547 $2,728 
Depreciation and amortization:
Regulated electric$1,112 $861 $667 
Regulated natural gas56 53 49 
Total depreciation and amortization$1,168 $914 $716 
Years Ended December 31,
202220212020
Operating income:
Regulated electric$372 $358 $384 
Regulated natural gas66 58 64 
Other— — 6 
Total operating income$438 $416 $454 
Interest expense:
Regulated electric$290 $279 $281 
Regulated natural gas23 23 23 
Other20 17 18 
Total interest expense$333 $319 $322 
Income tax (benefit) expense:
Regulated electric$(779)$(677)$(584)
Regulated natural gas9 3 14 
Other(6)(6)(4)
Total income tax (benefit) expense$(776)$(680)$(574)
Net income:
Regulated electric$931 $844 $780 
Regulated natural gas30 50 45 
Other(14)(11)(7)
Net income$947 $883 $818 
Capital expenditures:
Regulated electric$1,742 $1,806 $1,704 
Regulated natural gas127 106 132 
Total capital expenditures$1,869 $1,912 $1,836 
As of December 31,
202220212020
Total assets:
Regulated electric$23,283 $22,576 $21,083 
Regulated natural gas1,963 1,950 1,623 
Other8 5 5 
Total assets$25,254 $24,531 $22,711 

Goodwill by reportable segment as of December 31, 2022 and 2021, was as follows (in millions):
Regulated electric$1,191 
Regulated natural gas79 
Total$1,270 
SPPC  
Segment Reporting Information [Line Items]  
Segment Information Segment Information
Sierra Pacific has identified two reportable operating segments: regulated electric and regulated natural gas. The regulated electric segment derives most of its revenue from regulated retail sales of electricity to residential, commercial, and industrial customers and from wholesale sales. The regulated natural gas segment derives most of its revenue from regulated retail sales of natural gas to residential, commercial, and industrial customers and also obtains revenue by transporting natural gas owned by others through its distribution system. Pricing for regulated electric and regulated natural gas sales are established separately by the PUCN; therefore, management also reviews each segment separately to make decisions regarding allocation of resources and in evaluating performance.

The following tables provide information on a reportable segment basis (in millions):
Years Ended December 31,
202220212020
Operating revenue:
Regulated electric$1,025 $848 $738 
Regulated natural gas168 117 116 
Total operating revenue$1,193 $965 $854 
Operating income:
Regulated electric$146 $148 $147 
Regulated natural gas19 19 18 
Total operating income165 167 165 
Interest expense(58)(54)(56)
Allowance for borrowed funds3 2 2 
Allowance for equity funds7 7 4 
Interest and dividend income18 9 4 
Other, net2 11 7 
Income before income tax expense$137 $142 $126 
As of December 31,
202220212020
Assets
Regulated electric$4,224 $3,829 $3,540 
Regulated natural gas441 365 342 
Regulated common assets(1)
67 29 37 
Total assets$4,732 $4,223 $3,919 

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