Amount of cash to be acquired in a potential business acquisition.

No definition available.

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- Definition

Current value of investment shares agreed to be transferred in a potential business acquisition.

+ References

No definition available.

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- Definition

The aggregate cash committed to be paid for a potential business acquisition.

+ References

No definition available.

+ Details

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- Definition

For a pending business acquisition, the agreed upon price per share of the target entity's outstanding shares.

+ References

No definition available.

+ Details

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- Definition

The recovery percentage of the entity's surety bond claim losses that its joint venture partner is obligated to pay.

+ References

No definition available.

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- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a)(3))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13(2))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

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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://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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- Definition

Balance held at close of period in number of shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

-Section S99

-Paragraph 4

-Subparagraph (SX 210.12-12C.Column B)

-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

-Section S99

-Paragraph 6

-Subparagraph (SX 210.12-14.Column B)

-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-12.Column B)

-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010

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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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Contingencies and Commitments - Narrative (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2015	Aug. 08, 2015	Nov. 13, 2014
Duracell Company [Member] \| Procter & Gamble Company [Member] \| Purchase Agreement [Member]
Commitments and Contingencies [Line Items]
Cash to be acquired at closing			$ 1,700
Value of shares agreed to exchange in business acquisition			$ 3,800
Precision Castparts Corp [Member] \| Purchase Agreement [Member]
Commitments and Contingencies [Line Items]
Potential business acquisition, cash price per share		$ 235
Investment, number of shares owned		2.7
Percentage of shares owned prior to acquisition		1.96%
Cash committed to be paid for a potential business acquisition		$ 31,700
Berkadia Commercial Mortgage (investee) [Member]
Commitments and Contingencies [Line Items]
Voting interest in investee	50.00%
Commercial paper outstanding	$ 2,470
Berkadia Commercial Mortgage (investee) [Member] \| Leucadia National Corporation (venture partner) [Member]
Commitments and Contingencies [Line Items]
Voting interest in investee	50.00%
Berkshire Hathaway Insurance Group [Member]
Commitments and Contingencies [Line Items]
Reimbursement rate from joint venture partner of Company's surety bond claim losses	50.00%
Surety bonds [Member] \| Berkshire Hathaway Insurance Group [Member]
Commitments and Contingencies [Line Items]
Guarantee obligation, maximum amount of exposure	$ 2,500