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Revenue from Contracts with Customers
 9 Months Ended
Sep. 30, 2021
Disaggregation of Revenue [Line Items]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
Energy Products and Services

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 13 (in millions):
For the Three-Month Period Ended September 30, 2021
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$1,352 $736 $1,008 $— $— $— $— $— $3,096 
Retail gas— 84 16 — — — — — 100 
Wholesale58 113 19 — 14 — — (1)203 
Transmission and
   distribution		55 15 35 241 — 175 — — 521 
Interstate pipeline— — — — 514 — — (28)486 
Other26 — — — (2)— — — 24 
Total Regulated1,491 948 1,078 241 526 175 — (29)4,430 
Nonregulated— 2 — 8 257 12 288 141 708 
Total Customer Revenue1,491 950 1,078 249 783 187 288 112 5,138 
Other revenue— 16 7 28 2 (2)28 8 87 
Total$1,491 $966 $1,085 $277 $785 $185 $316 $120 $5,225 
For the Nine-Month Period Ended September 30, 2021
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$3,685 $1,704 $2,227 $— $— $— $— $(1)$7,615 
Retail gas— 633 74 — — — — — 707 
Wholesale124 307 44 — 31 — — (2)504 
Transmission and
   distribution		117 45 78 747 — 525 — — 1,512 
Interstate pipeline— — — — 1,787 — — (94)1,693 
Other80 — 1 — (1)— — — 80 
Total Regulated4,006 2,689 2,424 747 1,817 525 — (97)12,111 
Nonregulated— 13 1 26 726 27 693 452 1,938 
Total Customer Revenue4,006 2,702 2,425 773 2,543 552 693 355 14,049 
Other revenue25 24 18 84 41 (5)80 59 326 
Total$4,031 $2,726 $2,443 $857 $2,584 $547 $773 $414 $14,375 
For the Three-Month Period Ended September 30, 2020
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$1,344 $661 $977 $— $— $— $— $(1)$2,981 
Retail gas— 70 14 — — — — — 84 
Wholesale59 56 14 — — — — 1 130 
Transmission and
   distribution		33 15 30 208 — 169 — — 455 
Interstate pipeline— — — — 264 — — (29)235 
Other42 — — — — — — — 42 
Total Regulated1,478 802 1,035 208 264 169 — (29)3,927 
Nonregulated— 4 (1)6 — 6 270 145 430 
Total Customer Revenue1,478 806 1,034 214 264 175 270 116 4,357 
Other revenue1 6 8 32 — — 39 8 94 
Total$1,479 $812 $1,042 $246 $264 $175 $309 $124 $4,451 
For the Nine-Month Period Ended September 30, 2020
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$3,532 $1,539 $2,144 $— $— $— $— $(1)$7,214 
Retail gas— 341 81 — — — — — 422 
Wholesale76 157 34 — — — — (1)266 
Transmission and
   distribution		79 48 75 632 — 502 — — 1,336 
Interstate pipeline— — — — 885 — — (103)782 
Other88 — 1 — — — — — 89 
Total Regulated3,775 2,085 2,335 632 885 502 — (105)10,109 
Nonregulated— 13 1 18 — 14 641 394 1,081 
Total Customer Revenue3,775 2,098 2,336 650 885 516 641 289 11,190 
Other revenue54 16 23 83 5 — 90 43 314 
Total$3,829 $2,114 $2,359 $733 $890 $516 $731 $332 $11,504 

(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 PeriodsNine-Month Periods
Ended September 30,Ended September 30,
2021202020212020
Customer Revenue:
Brokerage$1,563 $1,449 $4,154 $3,183 
Franchise23 23 65 54 
Total Customer Revenue1,586 1,472 4,219 3,237 
Mortgage and other revenue157 270 519 591 
Total$1,743 $1,742 $4,738 $3,828 
Remaining Performance Obligations

The following table summarizes the Company's revenue it expects to recognize in future periods related to significant unsatisfied remaining performance obligations for fixed contracts with expected durations in excess of one year as of September 30, 2021, by reportable segment (in millions):
Performance obligations expected to be satisfied:
Less than 12 monthsMore than 12 monthsTotal
BHE Pipeline Group$2,586 $21,377 $23,963 
BHE Transmission175 — 175 
Total$2,761 $21,377 $24,138 
PAC  
Disaggregation of Revenue [Line Items]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
The following table summarizes PacifiCorp's revenue from contracts with customers ("Customer Revenue") by line of business, with further disaggregation of retail by customer class (in millions):
Three-Month PeriodsNine-Month Periods
Ended September 30,Ended September 30,
2021202020212020
Customer Revenue:
Retail:
Residential
$530 $519 $1,442 $1,363 
Commercial
428 418 1,180 1,122 
Industrial
296 293 849 838 
Other retail
98 114 214 209 
Total retail
1,352 1,344 3,685 3,532 
Wholesale
58 59 124 76 
Transmission55 33 117 79 
Other Customer Revenue26 42 80 88 
Total Customer Revenue
1,491 1,478 4,006 3,775 
Other revenue— 1 25 54 
Total operating revenue
$1,491 $1,479 $4,031 $3,829 
MEC  
Disaggregation of Revenue [Line Items]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
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 11 (in millions):
For the Three-Month Period Ended September 30, 2021For the Nine-Month Period Ended September 30, 2021
ElectricNatural GasOtherTotalElectricNatural GasOtherTotal
Customer Revenue:
Retail:
Residential$255 $52 $— $307 $586 $419 $— $1,005 
Commercial107 17 — 124 258 164 — 422 
Industrial321 5 — 326 741 20 — 761 
Natural gas transportation services— 9 — 9 — 28 — 28 
Other retail(1)
53 1 — 54 119 2 — 121 
Total retail736 84 — 820 1,704 633 — 2,337 
Wholesale88 25 — 113 214 93 — 307 
Multi-value transmission projects15 — — 15 45 — — 45 
Other Customer Revenue— — 2 2 — — 13 13 
Total Customer Revenue839 109 2 950 1,963 726 13 2,702 
Other revenue15 1 — 16 22 2 — 24 
Total operating revenue$854 $110 $2 $966 $1,985 $728 $13 $2,726 

For the Three-Month Period Ended September 30, 2020For the Nine-Month Period Ended September 30, 2020
ElectricNatural GasOtherTotalElectricNatural GasOtherTotal
Customer Revenue:
Retail:
Residential$241 $46 $— $287 $555 $233 $— $788 
Commercial99 13 — 112 242 71 — 313 
Industrial280 2 — 282 640 9 — 649 
Natural gas transportation services— 8 — 8 — 26 — 26 
Other retail(1)
42 1 — 43 103 2 — 105 
Total retail662 70 — 732 1,540 341 — 1,881 
Wholesale46 10 — 56 116 41 — 157 
Multi-value transmission projects14 — — 14 47 — — 47 
Other Customer Revenue— — 4 4 — — 5 5 
Total Customer Revenue722 80 4 806 1,703 382 5 2,090 
Other revenue6 — — 6 14 2 — 16 
Total operating revenue$728 $80 $4 $812 $1,717 $384 $5 $2,106 

(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  
Disaggregation of Revenue [Line Items]  
Revenue from Contracts with Customers Revenue from Contracts with CustomersRefer to Note 10 of MidAmerican Energy's Notes to Financial Statements. Additionally, MidAmerican Funding had other Accounting Standards Codification Topic 606 revenue of $— million for the three-month periods ended September 30, 2021 and 2020, respectively, and $— million and $8 million for the nine-month periods ended September 30, 2021 and 2020, respectively.
NPC  
Disaggregation of Revenue [Line Items]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
The following table summarizes Nevada Power's revenue from contracts with customers ("Customer Revenue") by line of business, with further disaggregation of retail by customer class (in millions):
Three-Month PeriodsNine-Month Periods
Ended September 30,Ended September 30,
2021202020212020
Customer Revenue:
Retail:
Residential$477 $495 $998 $993 
Commercial129 127 323 317 
Industrial152 147 310 300 
Other4 3 10 8 
Total fully bundled762 772 1,641 1,618 
Distribution only service6 8 17 20 
Total retail768 780 1,658 1,638 
Wholesale, transmission and other28 21 57 48 
Total Customer Revenue796 801 1,715 1,686 
Other revenue6 7 16 20 
Total revenue$802 $808 $1,731 $1,706 
SPPC  
Disaggregation of Revenue [Line Items]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
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 10 (in millions):
Three-Month Periods
Ended September 30,
20212020
ElectricNatural GasTotalElectricNatural GasTotal
Customer Revenue:
Retail:
Residential$91 $11 $102 $76 $11 $87 
Commercial84 3 87 71 3 74 
Industrial71 2 73 57 1 58 
Other1 — 1 1 — 1 
Total fully bundled247 16 263 205 15 220 
Distribution only service1 — 1 1 — 1 
Total retail248 16 264 206 15 221 
Wholesale, transmission and other18 — 18 13 — 13 
Total Customer Revenue266 16 282 219 15 234 
Other revenue— — — 1 — 1 
Total revenue$266 $16 $282 $220 $15 $235 
Nine-Month Periods
Ended September 30,
20212020
ElectricNatural GasTotalElectricNatural GasTotal
Customer Revenue:
Retail:
Residential$229 $50 $279 $208 $54 $262 
Commercial202 18 220 183 20 203 
Industrial151 6 157 132 8 140 
Other4 — 4 3 — 3 
Total fully bundled586 74 660 526 82 608 
Distribution only service2 — 2 3 — 3 
Total retail588 74 662 529 82 611 
Wholesale, transmission and other46 — 46 37 — 37 
Total Customer Revenue634 74 708 566 82 648 
Other revenue2 1 3 3 1 4 
Total revenue$636 $75 $711 $569 $83 $652 
EEGH  
Disaggregation of Revenue [Line Items]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
The following table summarizes Eastern Energy Gas' revenue from contracts with customers ("Customer Revenue") by regulated and nonregulated, with further disaggregation of regulated by line of business (in millions):
Three-Month PeriodsNine-Month Periods
Ended September 30,Ended September 30,
2021202020212020
Customer Revenue:
Regulated:
Gas transportation and storage$249 $311 $774 $957 
Wholesale14 25 31 27 
Other1 1 (1)4 
Total regulated264 337 804 988 
Nonregulated193 193 573 606 
Total Customer Revenue457 530 1,377 1,594 
Other revenue(1)1 2 3 
Total operating revenue$456 $531 $1,379 $1,597 
Remaining Performance Obligations

The following table summarizes Eastern Energy Gas' revenue it expects to recognize in future periods related to significant unsatisfied remaining performance obligations for fixed contracts with expected durations in excess of one year as of September 30, 2021 (in millions):
Performance obligations expected to be satisfied
Less than 12 monthsMore than 12 monthsTotal
Eastern Energy Gas$1,574 $16,413 $17,987