Percentage of investment acquired by members or limited partners of limited liability company (LLC).

No definition available.

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- Definition

Number of places retail locations located.

+ References

No definition available.

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- Definition

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(10))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-03(12))
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21D
-URI https://asc.fasb.org/extlink&oid=126954810&loc=SL94080555-108585

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Represents the number of stores.

+ 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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Equity method investments - Narrative (Detail)	3 Months Ended			9 Months Ended
Equity method investments - Narrative (Detail)	Mar. 31, 2023	Sep. 30, 2022 USD ($) Location Store	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) Location Store	Sep. 30, 2021 USD ($)
Schedule Of Equity Method Investments [Line Items]
Equity method investment special distribution		$ 225,000,000	$ 186,000,000	$ 622,000,000	$ 1,428,000,000
The Kraft Heinz Company [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage		26.50%		26.50%
Equity method investment special distribution		$ 131,000,000	$ 131,000,000	$ 391,000,000	391,000,000
Occidental Petroleum Corporation [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage		20.90%		20.90%
Berkadia Commercial Mortgage LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage		50.00%		50.00%
Berkadia Commercial Mortgage LLC [Member] \| Jefferies Financial Group Inc. [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage		50.00%		50.00%
Berkadia Commercial Mortgage LLC [Member] \| Commercial Paper [Member]
Schedule Of Equity Method Investments [Line Items]
Maximum outstanding balance of commercial paper borrowings		$ 1,500,000,000		$ 1,500,000,000
Electric Transmission Texas, LLC [Member] \| Berkshire Hathaway Energy Company Subsidiary [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage		50.00%		50.00%
Pilot Travel Centers LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage		38.60%		38.60%
Equity method investment special distribution					$ 849,000,000
Number of retail \| Store		800		800
Pilot Travel Centers LLC [Member] \| U.S. States [Member]
Schedule Of Equity Method Investments [Line Items]
Number of places retail locations located \| Location		44		44
Pilot Travel Centers LLC [Member] \| Canadian Provinces [Member]
Schedule Of Equity Method Investments [Line Items]
Number of places retail locations located \| Location		6		6
Pilot Travel Centers LLC [Member] \| Berkshire Hathaway Inc. (Parent) [Member] \| Agreement to Acquire Additional Interest in 2023 [Member] \| Forecast [Member]
Schedule Of Equity Method Investments [Line Items]
Percentage of additional interest to be acquired	41.40%