v3.26.1
Revenue from Contracts with Customers - BHE - Remaining Performance Obligation Total (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied $ 23,825
BHE Pipeline Group  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied 22,815
BHE Transmission  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied 1,010
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied $ 4,184
Performance obligations expected to be satisfied, expected timing of satisfaction, period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01 | BHE Pipeline Group  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied $ 3,502
Performance obligations expected to be satisfied, expected timing of satisfaction, period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01 | BHE Transmission  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied $ 682
Performance obligations expected to be satisfied, expected timing of satisfaction, period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied $ 19,641
Performance obligations expected to be satisfied, expected timing of satisfaction, period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-01 | BHE Pipeline Group  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied $ 19,313
Performance obligations expected to be satisfied, expected timing of satisfaction, period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-01 | BHE Transmission  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligations expected to be satisfied $ 328
Performance obligations expected to be satisfied, expected timing of satisfaction, period