Represents the amount of eligible property that was subject to lien of mortgage (based on original cost).

No definition available.

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Namespace Prefix:	bhe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Data Type:	dtr-types:percentItemType
Balance Type:	na
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

+ Details

Name:	us-gaap_LongTermDebtPercentageBearingVariableInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of long-term debt classified as other.

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- Details

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Balance Type:
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Subsidiary Debt - PacifiCorp (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Par value	$ 49,746
PAC
Debt Instrument [Line Items]
Eligible property subject to lien of mortgages	$ 31,000
2.95% to 8.53%, due through 2026 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	2.95%
2.95% to 8.53%, due through 2026 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	8.53%
2.70% to 7.70%, due 2027 to 2031 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	2.70%
2.70% to 7.70%, due 2027 to 2031 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	7.70%
5.25% to 6.10%, due 2032 to 2036 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	5.25%
5.25% to 6.10%, due 2032 to 2036 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	6.10%
5.75% to 6.35%, due 2037 to 2041 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	5.75%
5.75% to 6.35%, due 2037 to 2041 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	6.35%
4.10%, due 2042 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	4.10%
2.90% to 4.15%, due 2049 to 2052 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	2.90%
2.90% to 4.15%, due 2049 to 2052 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	4.15%
Subsidiary debt
Debt Instrument [Line Items]
Par value	$ 36,545
Subsidiary debt	36,659	$ 36,319
Subsidiary debt \| PAC
Debt Instrument [Line Items]
Par value	8,797
Subsidiary debt	$ 8,730	$ 8,612
Subsidiary debt \| Minimum \| PAC
Debt Instrument [Line Items]
Variable rate	0.12%	0.14%
Subsidiary debt \| Maximum \| PAC
Debt Instrument [Line Items]
Variable rate	0.13%	0.16%
Subsidiary debt \| 2.95% to 8.53%, due through 2026 \| PAC
Debt Instrument [Line Items]
Par value	$ 1,379
Subsidiary debt	$ 1,378	$ 2,245
Subsidiary debt \| 2.95% to 8.53%, due through 2026 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	2.95%
Subsidiary debt \| 2.95% to 8.53%, due through 2026 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	8.53%
Subsidiary debt \| 2.70% to 7.70%, due 2027 to 2031 \| PAC
Debt Instrument [Line Items]
Par value	$ 1,100
Subsidiary debt	$ 1,094	1,094
Subsidiary debt \| 2.70% to 7.70%, due 2027 to 2031 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	2.70%
Subsidiary debt \| 2.70% to 7.70%, due 2027 to 2031 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	7.70%
Subsidiary debt \| 5.25% to 6.10%, due 2032 to 2036 \| PAC
Debt Instrument [Line Items]
Par value	$ 850
Subsidiary debt	$ 845	845
Subsidiary debt \| 5.25% to 6.10%, due 2032 to 2036 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	5.25%
Subsidiary debt \| 5.25% to 6.10%, due 2032 to 2036 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	6.10%
Subsidiary debt \| 5.75% to 6.35%, due 2037 to 2041 \| PAC
Debt Instrument [Line Items]
Par value	$ 2,150
Subsidiary debt	$ 2,137	2,137
Subsidiary debt \| 5.75% to 6.35%, due 2037 to 2041 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	5.75%
Subsidiary debt \| 5.75% to 6.35%, due 2037 to 2041 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	6.35%
Subsidiary debt \| 4.10%, due 2042 \| PAC
Debt Instrument [Line Items]
Par value	$ 300
Subsidiary debt	$ 297	297
Subsidiary debt \| 4.10%, due 2042 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	4.10%
Subsidiary debt \| 2.90% to 4.15%, due 2049 to 2052 \| PAC
Debt Instrument [Line Items]
Par value	$ 2,800
Subsidiary debt	$ 2,761	1,776
Subsidiary debt \| 2.90% to 4.15%, due 2049 to 2052 \| Minimum \| PAC
Debt Instrument [Line Items]
Stated rate	2.90%
Subsidiary debt \| 2.90% to 4.15%, due 2049 to 2052 \| Maximum \| PAC
Debt Instrument [Line Items]
Stated rate	4.15%
Subsidiary debt \| Due 2025 \| PAC
Debt Instrument [Line Items]
Par value	$ 25
Subsidiary debt	25	25
Subsidiary debt \| Due 2024 to 2025 \| PAC
Debt Instrument [Line Items]
Par value	193
Subsidiary debt	$ 193	$ 193