Business Acquisition, Accounting Revision Period, Twelve Months

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Regulatory Liabilities

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Business acquisition, acquisition of remaining noncontrolling interest

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Liquefied natural gas storage capacity (billion cubic feet)

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Natural gas company-owned working storage capacity (billion cubic feet)

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Natural gas operated storage capacity (billion cubic feet)

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Natural gas transmission line miles

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Natural gas transmission lines transportation per day capacity (billion cubic feet)

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- Definition

Ownership Percentage Acquired

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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.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount of deferred income tax expense (benefit) and income tax credits.

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The aggregate direct operating costs incurred during the reporting period.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of increase in noncontrolling interest from a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The percentage rate used to calculate dividend payments on preferred stock.

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The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Business Acquisitions (Details) $ in Millions				2 Months Ended	10 Months Ended	12 Months Ended
Business Acquisitions (Details) $ in Millions	Nov. 02, 2020 USD ($)	Nov. 01, 2020 USD ($) mi Bcf	Oct. 29, 2020 USD ($)	Dec. 31, 2020 USD ($)	Oct. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jul. 03, 2020 USD ($)
Business Acquisition [Line Items]
Acquisition, net of cash acquired							$ (2,397)	$ (27)	$ (106)
Goodwill				$ 11,506			11,506	9,722	9,595
Regulatory Assets				3,440			3,440	2,881
Deferred income taxes and amortization of investment tax credits							1,880	290	8
Increase in noncontrolling interests							3,916
Business acquisition, acquisition of remaining noncontrolling interest							33	0	131
Preferred Stock, Value, Issued				3,750			3,750	0
Revenues							20,952	19,844	19,787
Net income attributable to BHE shareholders							6,943	2,950	2,568
PacifiCorp [Member]
Business Acquisition [Line Items]
Goodwill				$ 1,129			1,129	1,129	1,129
Revenues							5,341	5,068	5,026
Net income attributable to BHE shareholders							$ 741	773	739
Iroquois Gas Transmission System L.P. [Member]
Business Acquisition [Line Items]
Equity method investment, ownership percentage				50.00%			50.00%
Natural Gas Transmission and Storage Transaction [Member]
Business Acquisition [Line Items]
Natural gas transmission line miles \| mi		5,400
Natural gas transmission lines transportation per day capacity \| Bcf		12.5
Natural gas operated storage capacity \| Bcf		420
Natural gas company-owned working storage capacity \| Bcf		306
Liquefied natural gas storage capacity \| Bcf		14.6
Natural Gas Transmission and Storage Business Acquisition [Member]
Business Acquisition [Line Items]
Total assets assumed		$ 13,362
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt		1,200
Goodwill		1,732
Regulatory Assets		108
Deferred income taxes and amortization of investment tax credits					$ 275
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		1,424
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities		1,567
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		289
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities		6,932
Increase in noncontrolling interests					$ 3,916
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		2,514
Payments to Acquire Businesses, Gross		2,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt		4,415								$ 5,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Regulatory Liabilities		661
Preferred Stock, Value, Issued			$ 3,750
Preferred Stock, Dividend Rate, Percentage			4.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets		569
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		9,254
Business Acquisition, Pro Forma Revenue							$ 22,581	21,979
Business Acquisition, Pro Forma Net Income (Loss)							$ 6,800	3,271
Direct Operating Costs				$ 9
Net income attributable to BHE shareholders				73
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents		104
Business Acquisition, Accounting Revision Period, Twelve Months							12 months
Natural Gas Transmission and Storage Business Acquisition [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Cove Point LNG, LP [Member] \| Limited Partner [Member]
Business Acquisition [Line Items]
Variable interest entity, ownership percentage							25.00%
Natural Gas Transmission and Storage Business Acquisition [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Cove Point LNG, LP [Member] \| General Partner [Member]
Business Acquisition [Line Items]
Variable interest entity, ownership percentage							100.00%
Natural Gas Transmission and Storage Business Acquisition [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Cove Point LNG, LP [Member] \| Other Ownership Interest
Business Acquisition [Line Items]
Variable interest entity, ownership percentage							25.00%
Natural Gas Transmission and Storage Business Acquisition [Member] \| Domestic Tax Authority and State and Local Jurisdiction
Business Acquisition [Line Items]
Goodwill		$ 900
Natural Gas Transmission and Storage Business Acquisition [Member] \| Goodwill [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life							15 years
Natural Gas Transmission and Storage Business Acquisition [Member] \| Natural Gas
Business Acquisition [Line Items]
Revenues				331
Natural Gas Transmission and Storage Business Acquisition [Member] \| Iroquois Gas Transmission System L.P. [Member]
Business Acquisition [Line Items]
Equity method investment, ownership percentage		50.00%
Questar Pipeline Group and Dominion Questar Transaction [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 1,300
Questar Pipeline Group and Dominion Questar Transaction [Member] \| Forecast [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross						$ 1,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt						$ 430
Eastern Gas Transmission, Inc. [Member] \| Natural Gas Transmission and Storage Business Acquisition [Member]
Business Acquisition [Line Items]
Ownership Percentage Acquired		100.00%
Carolina Gas Transmission, LLC [Member] \| Natural Gas Transmission and Storage Business Acquisition [Member]
Business Acquisition [Line Items]
Ownership Percentage Acquired		100.00%
Eastern Energy Gas Holdings, LLC [Member]
Business Acquisition [Line Items]
Goodwill				1,286			$ 1,286	1,471
Regulatory Assets				$ 82			82	48
Deferred income taxes and amortization of investment tax credits							(5)	(3)	380
Revenues							2,090	2,169	1,996
Net income attributable to BHE shareholders							$ 109	$ 721	$ 481
Eastern Energy Gas Holdings, LLC [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Cove Point LNG, LP [Member] \| Limited Partner [Member]
Business Acquisition [Line Items]
Variable interest entity, ownership percentage							25.00%
Eastern Energy Gas Holdings, LLC [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Cove Point LNG, LP [Member] \| General Partner [Member]
Business Acquisition [Line Items]
Variable interest entity, ownership percentage							100.00%
Eastern Energy Gas Holdings, LLC [Member] \| Iroquois Gas Transmission System L.P. [Member]
Business Acquisition [Line Items]
Equity method investment, ownership percentage				50.00%			50.00%
Variable interest entity, ownership percentage							50.00%