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Segment Information (Tables)
 12 Months Ended
Dec. 31, 2020
Segment Reporting Information [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block] Information related to the Company's reportable segments is shown below (in millions):
Years Ended December 31,
202020192018
Operating revenue:
PacifiCorp$5,341 $5,068 $5,026 
MidAmerican Funding2,728 2,927 3,053 
NV Energy2,854 3,037 3,039 
Northern Powergrid1,022 1,013 1,020 
BHE Pipeline Group1,578 1,131 1,203 
BHE Transmission659 707 710 
BHE Renewables936 932 908 
HomeServices5,396 4,473 4,214 
BHE and Other(1)
438 556 614 
Total operating revenue$20,952 $19,844 $19,787 
   
Depreciation and amortization:   
PacifiCorp$1,209 $954 $979 
MidAmerican Funding716 638 609 
NV Energy502 482 456 
Northern Powergrid266 254 250 
BHE Pipeline Group231 115 126 
BHE Transmission201 240 247 
BHE Renewables284 282 268 
HomeServices45 47 51 
BHE and Other(1)
1 (1)(2)
Total depreciation and amortization$3,455 $3,011 $2,984 
   
Operating income:   
PacifiCorp$924 $1,072 $1,051 
MidAmerican Funding454 549 550 
NV Energy649 655 607 
Northern Powergrid421 472 486 
BHE Pipeline Group779 572 525 
BHE Transmission316 323 313 
BHE Renewables291 336 325 
HomeServices511 222 214 
BHE and Other(1)
(54)(51)1 
Total operating income4,291 4,150 4,072 
Interest expense(2,021)(1,912)(1,838)
Capitalized interest80 77 61 
Allowance for equity funds165 173 104 
Interest and dividend income71 117 113 
Gains (losses) on marketable securities, net4,797 (288)(538)
Other, net88 97 (9)
Total income before income tax expense (benefit) and equity (loss) income$7,471 $2,414 $1,965 
Years Ended December 31,
202020192018
Interest expense:
PacifiCorp$426 $401 $384 
MidAmerican Funding322 302 247 
NV Energy227 229 224 
Northern Powergrid130 139 141 
BHE Pipeline Group74 52 43 
BHE Transmission148 157 167 
BHE Renewables166 174 201 
HomeServices11 25 23 
BHE and Other(1)
517 433 408 
Total interest expense$2,021 $1,912 $1,838 
Income tax expense (benefit):
PacifiCorp$(75)$61 $5 
MidAmerican Funding(574)(377)(262)
NV Energy61 98 100 
Northern Powergrid96 59 61 
BHE Pipeline Group162 138 119 
BHE Transmission13 11 7 
BHE Renewables(2)
(602)(325)(158)
HomeServices138 51 52 
BHE and Other(1)
1,089 (314)(507)
Total income tax expense (benefit) $308 $(598)$(583)
Net income attributable to BHE shareholders:
PacifiCorp$741 $773 $739 
MidAmerican Funding818 781 669 
NV Energy410 365 317 
Northern Powergrid201 256 239 
BHE Pipeline Group528 422 387 
BHE Transmission231 229 210 
BHE Renewables(2)
521 431 329 
HomeServices375 160 145 
BHE and Other3,118 (467)(467)
Total net income attributable to BHE shareholders$6,943 $2,950 $2,568 
Capital expenditures:
PacifiCorp$2,540 $2,175 $1,257 
MidAmerican Funding1,836 2,810 2,332 
NV Energy675 657 503 
Northern Powergrid682 602 566 
BHE Pipeline Group659 687 427 
BHE Transmission372 247 270 
BHE Renewables95 122 817 
HomeServices36 54 47 
BHE and Other(130)10 22 
Total capital expenditures$6,765 $7,364 $6,241 
As of December 31,
202020192018
Property, plant and equipment, net:
PacifiCorp$22,430 $20,973 $19,570 
MidAmerican Funding19,279 18,377 16,169 
NV Energy9,865 9,613 9,367 
Northern Powergrid7,230 6,606 6,007 
BHE Pipeline Group15,097 5,482 4,904 
BHE Transmission6,445 6,157 5,824 
BHE Renewables5,645 5,976 6,155 
HomeServices159 161 141 
BHE and Other(22)(40)(50)
Total property, plant and equipment, net$86,128 $73,305 $68,087 
Total assets:
PacifiCorp$26,862 $24,861 $23,478 
MidAmerican Funding23,530 22,664 20,029 
NV Energy14,501 14,128 14,119 
Northern Powergrid8,782 8,385 7,427 
BHE Pipeline Group19,541 6,100 5,511 
BHE Transmission9,208 8,776 8,424 
BHE Renewables12,004 9,961 8,666 
HomeServices4,955 3,846 2,797 
BHE and Other7,933 1,330 1,738 
Total assets$127,316 $100,051 $92,189 
Years Ended December 31,
202020192018
Operating revenue by country:
United States$19,254 $18,108 $18,014 
United Kingdom1,022 1,011 1,017 
Canada653 706 710 
Philippines and other23 19 46 
Total operating revenue by country$20,952 $19,844 $19,787 
Income before income tax expense (benefit) and equity (loss) income by country:
United States$6,954 $1,866 $1,425 
United Kingdom338 326 307 
Canada173 178 155 
Philippines and other6 44 78 
Total income before income tax expense (benefit) and equity (loss) income by country:$7,471 $2,414 $1,965 
As of December 31,
202020192018
Property, plant and equipment, net by country:
United States$72,583 $60,634 $56,362 
United Kingdom7,134 6,504 5,895 
Canada6,401 6,157 5,817 
Philippines and other10 10 13 
Total property, plant and equipment, net by country$86,128 $73,305 $68,087 

(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 expense (benefit) 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.
Schedule of Goodwill [Table Text Block]
The following table shows the change in the carrying amount of goodwill by reportable segment for the years ended December 31, 2020 and 2019 (in millions):
BHEBHE
MidAmericanNVNorthernPipelineBHEBHEHome-and
PacifiCorpFundingEnergyPowergridGroupTransmissionRenewablesServicesOtherTotal
December 31, 2018$1,129 $2,102 $2,369 $952 $73 $1,448 $95 $1,427 $— $9,595 
Acquisitions— — — — — — — 29 — 29 
Foreign currency translation
— — — 26 — 72 — — — 98 
December 31, 20191,129 2,102 2,369 978 73 1,520 95 1,456 — 9,722 
Acquisitions— — — — 1,730 — — 1 — 1,731 
Foreign currency translation
— — — 22 — 31 — — — 53 
December 31, 2020$1,129 $2,102 $2,369 $1,000 $1,803 $1,551 $95 $1,457 $— $11,506 
MidAmerican Energy Company [Member]  
Segment Reporting Information [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
The following tables provide information on a reportable segment basis (in millions):
Years Ended December 31,
202020192018
Operating revenue:
Regulated electric$2,139 $2,237 $2,283 
Regulated natural gas573 660 754 
Other8 28 12 
Total operating revenue$2,720 $2,925 $3,049 
Depreciation and amortization:
Regulated electric$667 $593 $565 
Regulated natural gas49 46 44 
Total depreciation and amortization$716 $639 $609 
Operating income:
Regulated electric$384 $473 $469 
Regulated natural gas64 71 81 
Other— 4 1 
Total operating income$448 $548 $551 
Interest expense:
Regulated electric$281 $259 $208 
Regulated natural gas23 22 19 
Total interest expense$304 $281 $227 
Years Ended December 31,
202020192018
Income tax (benefit) expense:
Regulated electric$(584)$(384)$(273)
Regulated natural gas14 12 16 
Other— 1 2 
Total income tax (benefit) expense$(570)$(371)$(255)
Net income:
Regulated electric$780 $739 $628 
Regulated natural gas45 52 54 
Other1 2 — 
Net income$826 $793 $682 
Capital expenditures:
Regulated electric$1,704 $2,684 $2,223 
Regulated natural gas132 126 109 
Total capital expenditures$1,836 $2,810 $2,332 
As of December 31,
202020192018
Total assets:
Regulated electric$19,892 $19,093 $16,511 
Regulated natural gas1,544 1,468 1,406 
Other1 3 3 
Total assets$21,437 $20,564 $17,920 
MidAmerican Funding, LLC and Subsidiaries [Member]  
Segment Reporting Information [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
The following tables provide information on a reportable segment basis (in millions):
Years Ended December 31,
202020192018
Operating revenue:
Regulated electric$2,139 $2,237 $2,283 
Regulated natural gas573 660 754 
Other16 30 16 
Total operating revenue$2,728 $2,927 $3,053 
Depreciation and amortization:
Regulated electric$667 $593 $565 
Regulated natural gas49 46 44 
Total depreciation and amortization$716 $639 $609 
Operating income:
Regulated electric$384 $473 $469 
Regulated natural gas64 71 81 
Other6 5 — 
Total operating income$454 $549 $550 
Interest expense:
Regulated electric$281 $259 $208 
Regulated natural gas23 22 19 
Other18 21 20 
Total interest expense$322 $302 $247 
Income tax (benefit) expense:
Regulated electric$(584)$(384)$(273)
Regulated natural gas14 12 16 
Other(4)(5)(5)
Total income tax (benefit) expense$(574)$(377)$(262)
Net income:
Regulated electric$780 $739 $628 
Regulated natural gas45 52 54 
Other(7)(10)(13)
Net income$818 $781 $669 
Years Ended December 31,
202020192018
Capital expenditures:
Regulated electric$1,704 $2,684 $2,223 
Regulated natural gas132 126 109 
Total capital expenditures$1,836 $2,810 $2,332 
As of December 31,
202020192018
Total assets:
Regulated electric$21,083 $20,284 $17,702 
Regulated natural gas1,623 1,547 1,485 
Other5 9 15 
Total assets$22,711 $21,840 $19,202 
Schedule of Goodwill [Table Text Block]
Goodwill by reportable segment as of December 31, 2020 and 2019, was as follows (in millions):
Regulated electric$1,191 
Regulated natural gas79 
Total$1,270 
Sierra Pacific Power Company [Member]  
Segment Reporting Information [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
The following tables provide information on a reportable segment basis (in millions):
Years Ended December 31,
202020192018
Operating revenue:
Regulated electric$738 $770 $752 
Regulated natural gas116 119 103 
Total operating revenue$854 $889 $855 
Operating income:
Regulated electric$147 $150 $136 
Regulated natural gas18 21 16 
Total operating income165 171 152 
Interest expense(56)(48)(44)
Allowance for borrowed funds2 1 1 
Allowance for equity funds4 3 4 
Other, net11 4 9 
Income before income tax expense$126 $131 $122 

As of December 31,
202020192018
Assets
Regulated electric$3,540 $3,319 $3,177 
Regulated natural gas342 308 314 
Regulated common assets(1)
37 44 78 
Total assets$3,919 $3,671 $3,569 

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