Principal amount of each Convertible debenture.

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- Definition

Debt Instrument, Convertible, Contingent Interest

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- Definition

Debt Instrument, Convertible, Contingent Interest, Threshold Trading Days

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- Definition

Debt Instrument, Convertible, Interest Period

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- Definition

Percentage of debt instrument convertible conversion ratio.

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No definition available.

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- Definition

Trading price before accruing contingent interest.

+ References

No definition available.

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- Definition

Trading days consider for lower range of stock price.

+ References

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

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-Name Accounting Standards Codification
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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.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Long-Term Debt - Additional Information (Detail)		9 Months Ended
Long-Term Debt - Additional Information (Detail)	Sep. 15, 2016 USD ($) $ / shares	Aug. 31, 2016 USD ($) Trading_day	Jan. 21, 2016 USD ($)	Nov. 30, 2015 USD ($)
Debt Instrument [Line Items]
Long-term borrowings matured or retired during period		$ 350,000,000
Long-term debt		5,482,738,000		$ 5,640,722,000
Leucadia [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Debenture principal amount	$ 1,000
Debt instrument convertible conversion ratio	22.7041
Conversion price of common stock (dollars per share) \| $ / shares	$ 44.04
3.875% Convertible Senior Debentures due 2029 [Member]
Debt Instrument [Line Items]
Debt principal amount		$ 345,000,000.0
Senior long-term debt, interest rate		3.875%
3.875% Convertible Senior Debentures due 2029 [Member] \| Leucadia [Member]
Debt Instrument [Line Items]
Senior long-term debt, interest rate		3.875%
Debt instrument convertible conversion ratio (greater than)		130.00%
Earliest period of conversion price \| Trading_day		20
Latest period of conversion price		30 days
Less than trading price per debenture related to common stock		95.00%
Consecutive trading days		10 days
Contingent interest		0.375%
Threshold trading days		5 days
Interest period		6 months
Trading price of contingent interest		$ 1,200
Euro Medium Term Note Program [Member]
Debt Instrument [Line Items]
Long-term debt		2,000,000,000.0
Class A Notes, Due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt			$ 15,000,000
Class B Notes, Due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt			$ 7,500,000
Structured Notes [Member]
Debt Instrument [Line Items]
Long-term debt		211,094,000		$ 0
Structured Notes [Member] \| Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt fair value		204,400,000
Debt principal amount		$ 218,600,000