v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
Apr. 30, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
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 1615 Locust Street  
Entity Address, City or Town Des Moines  
Entity Address, State or Province IA  
Entity Address, Postal Zip Code 50309-3037  
City Area Code 515  
Local Phone Number 242-4300  
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
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001081316  
Current Fiscal Year End Date --12-31  
PAC    
Document Information [Line Items]    
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, 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 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  
MidAmerican Funding, LLC    
Document Information [Line Items]    
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 1615 Locust Street  
Entity Address, City or Town Des Moines  
Entity Address, State or Province IA  
Entity Address, Postal Zip Code 50309-3037  
City Area Code 515  
Local Phone Number 242-4300  
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  
MEC    
Document Information [Line Items]    
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 1615 Locust Street  
Entity Address, City or Town Des Moines  
Entity Address, State or Province IA  
Entity Address, Postal Zip Code 50309-3037  
City Area Code 515  
Local Phone Number 242-4300  
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  
NPC    
Document Information [Line Items]    
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  
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  
SPPC    
Document Information [Line Items]    
Entity File Number 000-00508  
Entity Registrant Name SIERRA PACIFIC POWER COMPANY  
Entity Tax Identification Number 88-0044418  
Entity Incorporation, State or Country Code NV  
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  
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  
EEGH    
Document Information [Line Items]    
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 10700 Energy Way  
Entity Address, City or Town Glen Allen  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 23060  
City Area Code 804  
Local Phone Number 613-5100  
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  
EGTS    
Document Information [Line Items]    
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 10700 Energy Way  
Entity Address, City or Town Glen Allen  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 23060  
City Area Code 804  
Local Phone Number 613-5100  
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