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Cover - USD ($)
12 Months Ended
Dec. 31, 2022
Jan. 31, 2023
Document Information [Line Items]    
Document Type 10-K  
Document Annual Report true  
Document Period End Date Dec. 31, 2022  
Current Fiscal Year End Date --12-31  
Document Transition Report false  
Entity File Number 001-14881  
Entity Registrant Name BERKSHIRE HATHAWAY ENERGY COMPANY  
Entity Tax Identification Number 94-2213782  
Entity Incorporation, State or Country Code IA  
Entity Address, Address Line One 666 Grand Avenue  
Entity Address, City or Town Des Moines  
Entity Address, State or Province IA  
Entity Address, Postal Zip Code 50309-2580  
City Area Code 515  
Local Phone Number 242-4300  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   75,627,913
Amendment Flag false  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus FY  
Entity Central Index Key 0001081316  
Entity Public Float $ 0  
PAC    
Document Information [Line Items]    
Current Fiscal Year End Date --12-31  
Entity File Number 001-05152  
Entity Registrant Name PACIFICORP  
Entity Tax Identification Number 93-0246090  
Entity Incorporation, State or Country Code OR  
Entity Address, Address Line One 825 N.E. Multnomah Street  
Entity Address, Address Line Two Suite 1900  
Entity Address, City or Town Portland  
Entity Address, State or Province OR  
Entity Address, Postal Zip Code 97232  
City Area Code 888  
Local Phone Number 221-7070  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   357,060,915
Entity Central Index Key 0000075594  
Entity Public Float $ 0  
MidAmerican Funding, LLC    
Document Information [Line Items]    
Current Fiscal Year End Date --12-31  
Entity File Number 333-90553  
Entity Registrant Name MIDAMERICAN FUNDING, LLC  
Entity Tax Identification Number 47-0819200  
Entity Incorporation, State or Country Code IA  
Entity Address, Address Line One 666 Grand Avenue  
Entity Address, City or Town Des Moines  
Entity Address, State or Province IA  
Entity Address, Postal Zip Code 50309-2580  
City Area Code 515  
Local Phone Number 242-4300  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers Yes  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001098296  
Entity Public Float $ 0  
MEC    
Document Information [Line Items]    
Current Fiscal Year End Date --12-31  
Entity File Number 333-15387  
Entity Registrant Name MIDAMERICAN ENERGY COMPANY  
Entity Tax Identification Number 42-1425214  
Entity Incorporation, State or Country Code IA  
Entity Address, Address Line One 666 Grand Avenue  
Entity Address, City or Town Des Moines  
Entity Address, State or Province IA  
Entity Address, Postal Zip Code 50309-2580  
City Area Code 515  
Local Phone Number 242-4300  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   70,980,203
Entity Central Index Key 0000928576  
Entity Public Float $ 0  
NPC    
Document Information [Line Items]    
Current Fiscal Year End Date --12-31  
Entity File Number 000-52378  
Entity Registrant Name NEVADA POWER COMPANY  
Entity Tax Identification Number 88-0420104  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 6226 West Sahara Avenue  
Entity Address, City or Town Las Vegas  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89146  
City Area Code 702  
Local Phone Number 402-5000  
Title of 12(g) Security Common Stock, $1.00 stated value  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,000
Entity Central Index Key 0000071180  
Entity Public Float $ 0  
SPPC    
Document Information [Line Items]    
Current Fiscal Year End Date --12-31  
Entity File Number 000-00508  
Entity Registrant Name SIERRA PACIFIC POWER COMPANY  
Entity Tax Identification Number 88-0044418  
Entity Address, Address Line One 6100 Neil Road  
Entity Address, City or Town Reno  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89511  
City Area Code 775  
Local Phone Number 834-4011  
Title of 12(g) Security Common Stock, $3.75 par value  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,000
Entity Central Index Key 0000090144  
Entity Public Float $ 0  
EEGH    
Document Information [Line Items]    
Current Fiscal Year End Date --12-31  
Entity File Number 001-37591  
Entity Registrant Name EASTERN ENERGY GAS HOLDINGS, LLC  
Entity Tax Identification Number 46-3639580  
Entity Incorporation, State or Country Code VA  
Entity Address, Address Line One 6603 West Broad Street  
Entity Address, City or Town Richmond  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 23230  
City Area Code 804  
Local Phone Number 613-5100  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001603291  
Entity Public Float $ 0  
EGTS    
Document Information [Line Items]    
Current Fiscal Year End Date --12-31  
Entity File Number 333-266049  
Entity Registrant Name EASTERN GAS TRANSMISSION AND STORAGE, INC.  
Entity Tax Identification Number 55-0629203  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 6603 West Broad Street  
Entity Address, City or Town Richmond  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 23230  
City Area Code 804  
Local Phone Number 613-5100  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   60,101
Entity Central Index Key 0001936737  
Entity Public Float $ 0