Business acquisition, acquisition of remaining noncontrolling interest

No definition available.

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Namespace Prefix:	bhe_
Data Type:	xbrli:monetaryItemType
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- Definition

Ownership Percentage Acquired

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Amount of assets acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of liabilities assumed at the acquisition date.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

+ Details

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- Details

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- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=bhe_RealestatebrokeragefranchisebusinessMember
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Business Acquisitions (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
Business Acquisitions (Details) - USD ($) $ in Millions	Apr. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Acquisition, net of cash acquired		$ (27)	$ (106)	$ (1,113)
Goodwill		9,722	9,595	9,678
Business acquisition, acquisition of remaining noncontrolling interest		0	131	$ 0
Other acquisitions [Member]
Business Acquisition [Line Items]
Acquisition, net of cash acquired		$ (100)	(1,100)
Total assets assumed			1,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			487
Goodwill			$ 508
HomeServices [Member] \| Real estate brokerage franchise business [Member]
Business Acquisition [Line Items]
Ownership Percentage Acquired	33.30%
Business acquisition, acquisition of remaining noncontrolling interest	$ 131