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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2020
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
The Company has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2020 are as follows (in millions):
2026 and
20212022202320242025ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$2,122 $1,559 $1,307 $1,285 $1,047 $12,985 $20,305 
Construction commitments783 372 148 — — 4 1,307 
Easements72 74 74 73 73 2,229 2,595 
Maintenance, service and other contracts
413 366 313 257 210 1,435 2,994 
$3,390 $2,371 $1,842 $1,615 $1,330 $16,653 $27,201 
PacifiCorp [Member]  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
PacifiCorp has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2020 are as follows (in millions):
202120222023202420252026 and ThereafterTotal
Contract type:
Purchased electricity contracts -
commercially operable$223 $201 $195 $192 $172 $2,028 $3,011 
Purchased electricity contracts -
non-commercially operable25 25 25 26 28 456 585 
Fuel contracts636 426 368 320 137 611 2,498 
Construction commitments90 — — — — — 90 
Transmission104 97 90 74 49 409 823 
Easements14 14 13 13 13 278 345 
Maintenance, service and
other contracts100 69 40 35 36 214 494 
Total commitments$1,192 $832 $731 $660 $435 $3,996 $7,846 
MidAmerican Energy Company [Member]  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
MidAmerican Energy had the following firm commitments that are not reflected on the Balance Sheet. Minimum payments as of December 31, 2020, are as follows (in millions):
2026 and
20212022202320242025ThereafterTotal
Contract type:
Coal and natural gas for generation$86 $55 $43 $— $— $— $184 
Electric capacity and transmission29 18 9 9 9 25 99 
Natural gas contracts for gas operations121 79 51 21 13 23 308 
Construction commitments442 287 2 — — 4 735 
Easements38 39 40 41 41 1,542 1,741 
Maintenance, services and other156 159 159 123 92 358 1,047 
$872 $637 $304 $194 $155 $1,952 $4,114 
Nevada Power Company [Member]  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
Nevada Power has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2020 are as follows (in millions):
202120222023202420252026 and ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$570 $409 $328 $328 $331 $3,197 $5,163 
Fuel and capacity contract commitments (not commercially operable)
— 35 74 197 229 4,965 5,500 
Construction commitments72 85 146 — — — 303 
Easements4 5 5 2 2 43 61 
Maintenance, service and other contracts48 44 32 23 12 6 165 
Total commitments$694 $578 $585 $550 $574 $8,211 $11,192 
Sierra Pacific Power Company [Member]  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
Sierra Pacific has the following firm commitments that are not reflected on the Balance Sheet. Minimum payments as of December 31, 2020 are as follows (in millions):
2026 and
20212022202320242025ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$327 $186 $98 $95 $96 $940 $1,742 
Fuel and capacity contract commitments (not commercially operable)
6 35 36 36 36 637 786 
Easements2 2 2 2 2 30 40 
Maintenance, service and other contracts9 7 2 1 1 — 20 
Total commitments$344 $230 $138 $134 $135 $1,607 $2,588