Recent Financing Transactions - BHE (Details) - USD ($) $ in Millions	Mar. 31, 2026	Feb. 28, 2026
First Mortgage Bonds, 4.25%, Due 2029 \| PAC \| Subsidiary, senior debt
Debt Instrument [Line Items]
Debt, face amount		$ 400
Stated interest rate		4.25%
First Mortgage Bonds, 4.65%, Due 2029 \| PAC \| Subsidiary, senior debt
Debt Instrument [Line Items]
Debt, face amount	$ 300
Stated interest rate	4.65%
First Mortgage Bonds, 5.10%, Due 2031 \| PAC \| Subsidiary, senior debt
Debt Instrument [Line Items]
Debt, face amount	$ 550
Stated interest rate	5.10%
First Mortgage Bonds, 5.45%, Due 2033 \| PAC \| Subsidiary, senior debt
Debt Instrument [Line Items]
Debt, face amount	$ 800
Stated interest rate	5.45%
First Mortgage Bonds, 5.80%, Due 2036 \| PAC \| Subsidiary, senior debt
Debt Instrument [Line Items]
Debt, face amount	$ 850
Stated interest rate	5.80%
Junior Subordinated Debt, 7.125%, Due 2056 \| PAC \| Subsidiary, junior subordinated debt
Debt Instrument [Line Items]
Debt, face amount		$ 1,100
Stated interest rate		7.125%
Interest rate reset period		5 years
Junior Subordinated Debt, 6.375%, Due 2056 \| SPPC \| Subsidiary, junior subordinated debt
Debt Instrument [Line Items]
Debt, face amount	$ 600
Stated interest rate	6.375%
Interest rate reset period	5 years