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Segment Information (Tables)
 6 Months Ended
Jun. 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 PeriodsSix-Month Periods
Ended June 30,Ended June 30,
 2022202120222021
Operating revenue:
PacifiCorp$1,314 $1,298 $2,611 $2,540 
MidAmerican Funding897 693 1,902 1,760 
NV Energy899 767 1,592 1,358 
Northern Powergrid345 280 660 580 
BHE Pipeline Group856 706 1,891 1,799 
BHE Transmission183 182 366 362 
BHE Renewables294 267 461 457 
HomeServices1,672 1,763 2,879 2,995 
BHE and Other(1)
152 108 280 294 
Total operating revenue$6,612 $6,064 $12,642 $12,145 
Depreciation and amortization:
PacifiCorp$279 $275 $559 $539 
MidAmerican Funding277 209 527 416 
NV Energy139 137 279 273 
Northern Powergrid100 73 180 144 
BHE Pipeline Group125 121 256 239 
BHE Transmission60 60 118 118 
BHE Renewables66 61 131 121 
HomeServices14 12 29 23 
BHE and Other(1)
(1)(1)2 1 
Total depreciation and amortization$1,059 $947 $2,081 $1,874 
 Three-Month PeriodsSix-Month Periods
Ended June 30,Ended June 30,
 2022202120222021
Operating income:  
PacifiCorp$158 $283 $374 $517 
MidAmerican Funding90 103 190 151 
NV Energy140 145 202 215 
Northern Powergrid110 126 269 277 
BHE Pipeline Group352 245 890 863 
BHE Transmission84 85 167 166 
BHE Renewables134 97 132 130 
HomeServices117 179 145 291 
BHE and Other(1)
22 (55)74 (69)
Total operating income1,207 1,208 2,443 2,541 
Interest expense(550)(532)(1,082)(1,062)
Capitalized interest18 14 35 28 
Allowance for equity funds42 30 80 56 
Interest and dividend income30 26 53 47 
Gains on marketable securities, net2,528 1,966 1,271 848 
Other, net(26)48 (21)56 
Total income before income tax expense (benefit) and equity loss$3,249 $2,760 $2,779 $2,514 
Interest expense:
PacifiCorp$107 $105 $213 $212 
MidAmerican Funding83 78 165 156 
NV Energy52 51 103 103 
Northern Powergrid34 32 66 65 
BHE Pipeline Group36 40 73 78 
BHE Transmission38 40 76 78 
BHE Renewables45 40 86 80 
HomeServices2 1 3 2 
BHE and Other(1)
153 145 297 288 
Total interest expense$550 $532 $1,082 $1,062 
Earnings on common shares:
PacifiCorp$83 $226 $213 $395 
MidAmerican Funding204 211 445 355 
NV Energy93 100 122 134 
Northern Powergrid71 (25)182 79 
BHE Pipeline Group199 100 521 483 
BHE Transmission62 60 124 119 
BHE Renewables249 181 353 197 
HomeServices84 135 105 219 
BHE and Other(1)
1,839 1,256 674 229 
Total earnings on common shares$2,884 $2,244 $2,739 $2,210 
 As of
 June 30,December 31,
20222021
Assets:
PacifiCorp$28,596 $27,615 
MidAmerican Funding25,733 25,352 
NV Energy15,905 15,239 
Northern Powergrid9,343 9,326 
BHE Pipeline Group20,691 20,434 
BHE Transmission9,441 9,476 
BHE Renewables11,853 11,829 
HomeServices4,115 4,574 
BHE and Other(1)
9,618 8,220 
Total assets$135,295 $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 June 30, 2022
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$1,167 $594 $831 $— $— $— $— $(1)$2,591 
Retail gas— 136 28 — — — — — 164 
Wholesale55 119 15 — — — — (2)187 
Transmission and
   distribution		45 13 18 274 — 172 — — 522 
Interstate pipeline— — — — 524 — — (27)497 
Other28 — — — — — — — 28 
Total Regulated1,295 862 892 274 524 172 — (30)3,989 
Nonregulated— — 1 42 285 15 262 151 756 
Total Customer Revenue1,295 862 893 316 809 187 262 121 4,745 
Other revenue19 35 6 29 47 (4)32 31 195 
Total$1,314 $897 $899 $345 $856 $183 $294 $152 $4,940 
For the Six-Month Period Ended June 30, 2022
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE 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 
Wholesale110 280 35 — — — — (2)423 
Transmission and
   distribution		77 28 35 543 — 348 — — 1,031 
Interstate pipeline— — — — 1,269 — — (68)1,201 
Other48 — 1 — 1 — — — 50 
Total Regulated2,587 1,847 1,580 543 1,270 348 — (71)8,104 
Nonregulated— 2 1 57 563 22 431 284 1,360 
Total Customer Revenue2,587 1,849 1,581 600 1,833 370 431 213 9,464 
Other revenue24 53 11 60 58 (4)30 67 299 
Total$2,611 $1,902 $1,592 $660 $1,891 $366 $461 $280 $9,763 
For the Three-Month Period Ended June 30, 2021
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$1,188 $516 $708 $— $— $— $— $(1)$2,411 
Retail gas— 89 20 — — — — — 109 
Wholesale30 69 10 — — — — (1)108 
Transmission and
   distribution		37 15 22 243 — 178 — — 495 
Interstate pipeline— — — — 458 — — (25)433 
Other31 — 1 — (1)— — — 31 
Total Regulated1,286 689 761 243 457 178 — (27)3,587 
Nonregulated— 1 1 8 232 7 239 124 612 
Total Customer Revenue1,286 690 762 251 689 185 239 97 4,199 
Other revenue12 3 5 29 17 (3)28 11 102 
Total$1,298 $693 $767 $280 $706 $182 $267 $108 $4,301 
For the Six-Month Period Ended June 30, 2021
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$2,333 $968 $1,219 $— $— $— $— $(1)$4,519 
Retail gas— 549 58 — — — — — 607 
Wholesale66 194 25 — 17 — — (1)301 
Transmission and
   distribution		62 30 43 506 — 350 — — 991 
Interstate pipeline— — — — 1,273 — — (66)1,207 
Other54 — 1 — 1 — — — 56 
Total Regulated2,515 1,741 1,346 506 1,291 350 — (68)7,681 
Nonregulated— 11 1 18 469 15 405 311 1,230 
Total Customer Revenue2,515 1,752 1,347 524 1,760 365 405 243 8,911 
Other revenue25 8 11 56 39 (3)52 51 239 
Total$2,540 $1,760 $1,358 $580 $1,799 $362 $457 $294 $9,150 

(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 PeriodsSix-Month Periods
Ended June 30,Ended June 30,
2022202120222021
Customer Revenue:
Brokerage$1,544 $1,569 $2,636 $2,591 
Franchise17 24 37 42 
Total Customer Revenue1,561 1,593 2,673 2,633 
Mortgage and other revenue111 170 206 362 
Total$1,672 $1,763 $2,879 $2,995 
 Three-Month PeriodsSix-Month Periods
Ended June 30,Ended June 30,
 2022202120222021
Operating revenue by country:
U.S.$6,087 $5,604 $11,621 $11,201 
United Kingdom345 280 660 580 
Canada180 180 361 357 
Other— — — 7 
Total operating revenue by country$6,612 $6,064 $12,642 $12,145 
Income before income tax expense (benefit) and equity loss by country:
U.S.$3,117 $2,611 $2,463 $2,188 
United Kingdom87 104 226 236 
Canada46 46 92 85 
Other(1)(1)(2)5 
Total income before income tax expense (benefit) and equity loss by country$3,249 $2,760 $2,779 $2,514 
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, 2022 (in millions):
BHE Pipeline Group
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE TransmissionBHE RenewablesHomeServices
Total
 
December 31, 2021$1,129 $2,102 $2,369 $992 $1,814 $1,563 $95 $1,586 $11,650 
Acquisitions— — — — — — — 8 8 
Foreign currency translation
— — — (70)— (29)— — (99)
June 30, 2022$1,129 $2,102 $2,369 $922 $1,814 $1,534 $95 $1,594 $11,559 
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 PeriodsSix-Month Periods
 Ended June 30,Ended June 30,
2022202120222021
Operating revenue:
Regulated electric$725 $586 $1,333 $1,131 
Regulated natural gas171 106 567 618 
Other1 1 2 11 
Total operating revenue$897 $693 $1,902 $1,760 
Operating income:
Regulated electric$87 $103 $138 $112 
Regulated natural gas3 — 52 39 
Total operating income90 103 190 151 
Interest expense(78)(74)(156)(148)
Allowance for borrowed funds5 2 9 4 
Allowance for equity funds14 8 29 14 
Other, net(12)15 (15)26 
Income before income tax benefit$19 $54 $57 $47 

As of
June 30,
2022		December 31,
2021
Assets:
Regulated electric$21,967 $21,385 
Regulated natural gas1,667 1,871 
Other1 1 
Total assets$23,635 $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 June 30, 2022For the Six-Month Period Ended June 30, 2022
ElectricNatural GasOtherTotalElectricNatural GasOtherTotal
Customer Revenue:
Retail:
Residential$185 $87 $— $272 $353 $312 $— $665 
Commercial91 31 — 122 165 119 — 284 
Industrial277 9 — 286 475 18 — 493 
Natural gas transportation services— 9 — 9 — 23 — 23 
Other retail(1)
41 — — 41 73 1 — 74 
Total retail594 136 — 730 1,066 473 — 1,539 
Wholesale84 34 — 118 188 92 — 280 
Multi-value transmission projects13 — — 13 28 — — 28 
Other Customer Revenue— — 1 1 — — 2 2 
Total Customer Revenue691 170 1 862 1,282 565 2 1,849 
Other revenue34 1 — 35 51 2 — 53 
Total operating revenue$725 $171 $1 $897 $1,333 $567 $2 $1,902 

For the Three-Month Period Ended June 30, 2021For the Six-Month Period Ended June 30, 2021
ElectricNatural GasOtherTotalElectricNatural GasOtherTotal
Customer Revenue:
Retail:
Residential$170 $59 $— $229 $331 $367 $— $698 
Commercial80 18 — 98 151 147 — 298 
Industrial230 3 — 233 420 15 — 435 
Natural gas transportation services— 9 — 9 — 19 — 19 
Other retail(1)
36 — — 36 66 1 — 67 
Total retail516 89 — 605 968 549 — 1,517 
Wholesale52 17 — 69 126 68 — 194 
Multi-value transmission projects15 — — 15 30 — — 30 
Other Customer Revenue— — 1 1 — — 11 11 
Total Customer Revenue583 106 1 690 1,124 617 11 1,752 
Other revenue3 — — 3 7 1 — 8 
Total operating revenue$586 $106 $1 $693 $1,131 $618 $11 $1,760 

(1)    Other retail includes provisions for rate refunds, for which any actual refunds will be reflected in the applicable customer classes upon resolution of the related regulatory proceeding.
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 PeriodsSix-Month Periods
Ended June 30,Ended June 30,
2022202120222021
Operating revenue:
Regulated electric$725 $586 $1,333 $1,131 
Regulated natural gas171 106 567 618 
Other1 1 2 11 
Total operating revenue$897 $693 $1,902 $1,760 
Operating income:
Regulated electric$87 $103 $138 $112 
Regulated natural gas3 — 52 39 
Total operating income90 103 190 151 
Interest expense(83)(78)(165)(156)
Allowance for borrowed funds5 2 9 4 
Allowance for equity funds14 8 29 14 
Other, net(10)16 (14)26 
Income before income tax benefit$16 $51 $49 $39 

As of
June 30,
2022		December 31,
2021
Assets(1):
Regulated electric$23,158 $22,576 
Regulated natural gas1,746 1,950 
Other7 5 
Total assets$24,911 $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 PeriodsSix-Month Periods
Ended June 30,Ended June 30,
2022202120222021
Operating revenue:
Regulated electric$230 $189 $457 $370 
Regulated natural gas28 20 80 59 
Total operating revenue$258 $209 $537 $429 
Operating income:
Regulated electric$19 $21 $49 $52 
Regulated natural gas4 4 12 12 
Total operating income23 25 61 64 
Interest expense(14)(13)(27)(27)
Allowance for borrowed funds— 1 1 1 
Allowance for equity funds2 2 4 3 
Interest and dividend income4 1 7 3 
Other, net— 2 2 6 
Income before income tax expense$15 $18 $48 $50 

As of
June 30,December 31,
20222021
Assets:
Regulated electric$3,995 $3,829 
Regulated natural gas385 365 
Other(1)
35 29 
Total assets$4,415 $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 June 30,
20222021
ElectricNatural GasTotalElectricNatural GasTotal
Customer Revenue:
Retail:
Residential$79 $19 $98 $68 $13 $81 
Commercial82 6 88 64 5 69 
Industrial53 3 56 42 2 44 
Other1 — 1 1 — 1 
Total fully bundled215 28 243 175 20 195 
Distribution only service1 — 1 1 — 1 
Total retail216 28 244 176 20 196 
Wholesale, transmission and other14 — 14 12 — 12 
Total Customer Revenue230 28 258 188 20 208 
Other revenue— — — 1 — 1 
Total revenue$230 $28 $258 $189 $20 $209 

Six-Month Periods
Ended June 30,
20222021
ElectricNatural GasTotalElectricNatural GasTotal
Customer Revenue:
Retail:
Residential$162 $51 $213 $138 $38 $176 
Commercial151 21 172 117 15 132 
Industrial102 7 109 81 5 86 
Other3 — 3 3 — 3 
Total fully bundled418 79 497 339 58 397 
Distribution only service3 — 3 2 — 2 
Total retail421 79 500 341 58 399 
Wholesale, transmission and other35 — 35 28 — 28 
Total Customer Revenue456 79 535 369 58 427 
Other revenue1 1 2 1 1 2 
Total revenue$457 $80 $537 $370 $59 $429