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Revenue from Contracts with Customers (Tables)
 3 Months Ended
Mar. 31, 2022
Disaggregation of Revenue [Line Items]  
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 11 (in millions):
For the Three-Month Period Ended March 31, 2022
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$1,185 $472 $599 $— $— $— $— $— $2,256 
Retail gas— 337 51 — — — — — 388 
Wholesale55 161 20 — — — — — 236 
Transmission and
   distribution		32 15 17 269 — 176 — — 509 
Interstate pipeline— — — — 745 — — (41)704 
Other20 — 1 — 1 — — — 22 
Total Regulated1,292 985 688 269 746 176 — (41)4,115 
Nonregulated— 2 — 15 278 7 169 133 604 
Total Customer Revenue1,292 987 688 284 1,024 183 169 92 4,719 
Other revenue5 18 5 31 11 — (2)36 104 
Total$1,297 $1,005 $693 $315 $1,035 $183 $167 $128 $4,823 
For the Three-Month Period Ended March 31, 2021
PacifiCorpMidAmerican FundingNV EnergyNorthern PowergridBHE Pipeline GroupBHE TransmissionBHE Renewables
BHE and
Other(1)
Total
Customer Revenue:
Regulated:
Retail electric$1,145 $452 $511 $— $— $— $— $— $2,108 
Retail gas— 460 38 — — — — — 498 
Wholesale36 125 15 — 17 — — — 193 
Transmission and
   distribution		25 15 21 263 — 172 — — 496 
Interstate pipeline— — — — 815 — — (41)774 
Other23 — — — 2 — — — 25 
Total Regulated1,229 1,052 585 263 834 172 — (41)4,094 
Nonregulated— 10 — 10 237 8 166 187 618 
Total Customer Revenue1,229 1,062 585 273 1,071 180 166 146 4,712 
Other revenue13 5 6 27 22 — 24 40 137 
Total$1,242 $1,067 $591 $300 $1,093 $180 $190 $186 $4,849 

(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 Periods
Ended March 31,
20222021
Customer Revenue:
Brokerage$1,092 $1,022 
Franchise20 18 
Total Customer Revenue1,112 1,040 
Mortgage and other revenue95 192 
Total$1,207 $1,232 
 Three-Month Periods
Ended March 31,
 20222021
Operating revenue by country:
U.S.$5,534 $5,597 
United Kingdom315 300 
Canada181 177 
Other— 7 
Total operating revenue by country$6,030 $6,081 
Loss before income tax benefit and equity loss by country:
U.S.$(654)$(423)
United Kingdom139 132 
Canada46 39 
Other(1)6 
Total loss before income tax benefit and equity loss by country$(470)$(246)
Summary of 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 March 31, 2022, by reportable segment (in millions):
Performance obligations expected to be satisfied:
Less than 12 monthsMore than 12 monthsTotal
BHE Pipeline Group$2,878 $22,103 $24,981 
PAC  
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue
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 Periods
Ended March 31,
20222021
Customer Revenue:
Retail:
Residential
$505 $483 
Commercial
370 359 
Industrial
273 271 
Other retail
37 32 
Total retail
1,185 1,145 
Wholesale
55 36 
Transmission32 25 
Other Customer Revenue20 23 
Total Customer Revenue
1,292 1,229 
Other revenue5 13 
Total operating revenue
$1,297 $1,242 
MEC  
Disaggregation of Revenue [Line Items]  
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 9 (in millions):
For the Three-Month Period Ended March 31, 2022
ElectricNatural GasOtherTotal
Customer Revenue:
Retail:
Residential$168 $225 $— $393 
Commercial74 88 — 162 
Industrial198 9 — 207 
Natural gas transportation services— 14 — 14 
Other retail(1)
32 1 — 33 
Total retail472 337 — 809 
Wholesale104 58 — 162 
Multi-value transmission projects15 — — 15 
Other Customer Revenue— — 1 1 
Total Customer Revenue591 395 1 987 
Other revenue17 1 — 18 
Total operating revenue$608 $396 $1 $1,005 

For the Three-Month Period Ended March 31, 2021
ElectricNatural GasOtherTotal
Customer Revenue:
Retail:
Residential$161 $308 $— $469 
Commercial71 129 — 200 
Industrial190 12 — 202 
Natural gas transportation services— 10 — 10 
Other retail(1)
30 1 — 31 
Total retail452 460 — 912 
Wholesale74 51 — 125 
Multi-value transmission projects15 — — 15 
Other Customer Revenue— — 10 10 
Total Customer Revenue541 511 10 1,062 
Other revenue4 1 — 5 
Total operating revenue$545 $512 $10 $1,067 

(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.
NPC  
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue
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 Periods
Ended March 31,
20222021
Customer Revenue:
Retail:
Residential$214 $196 
Commercial96 84 
Industrial78 63 
Other1 3 
Total fully bundled389 346 
Distribution only service5 5 
Total retail394 351 
Wholesale, transmission and other16 14 
Total Customer Revenue410 365 
Other revenue5 5 
Total revenue$415 $370 
SPPC  
Disaggregation of Revenue [Line Items]  
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 March 31,
20222021
ElectricNatural GasTotalElectricNatural GasTotal
Customer Revenue:
Retail:
Residential$85 $32 $117 $71 $25 $96 
Commercial70 15 85 54 10 64 
Industrial49 4 53 39 3 42 
Other1 — 1 1 — 1 
Total fully bundled205 51 256 165 38 203 
Distribution only service1 — 1 1 — 1 
Total retail206 51 257 166 38 204 
Wholesale, transmission and other21 — 21 15 — 15 
Total Customer Revenue227 51 278 181 38 219 
Other revenue— 1 1 — 1 1 
Total revenue$227 $52 $279 $181 $39 $220 
EEGH  
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue
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 Periods
Ended March 31,
20222021
Customer Revenue:
Regulated:
Gas transportation and storage$285 $279 
Wholesale— 17 
Total regulated285 296 
Nonregulated203 190 
Total Customer Revenue488 486 
Other revenue(6)— 
Total operating revenue$482 $486 
Summary of 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 March 31, 2022 (in millions):
Performance obligations expected to be satisfied
Less than 12 monthsMore than 12 monthsTotal
Eastern Energy Gas$1,832 $17,061 $18,893