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Long-Term Debt - Additional Information (Detail)
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0 Months Ended | 0 Months Ended | 0 Months Ended | 0 Months Ended | 0 Months Ended | 9 Months Ended | |||||||||||
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Jun. 26, 2014
USD ($)
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Aug. 31, 2014
USD ($)
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Feb. 28, 2013
USD ($)
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Aug. 26, 2011
USD ($)
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Sep. 11, 2014
Leucadia [Member]
Subsequent event [Member]
USD ($)
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Sep. 11, 2014
Leucadia [Member]
Subsequent event [Member]
USD ($)
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Jan. 15, 2013
New senior unsecured long-term debt [Member]
USD ($)
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Jan. 15, 2013
5.125% Senior Notes, due 2023 [Member]
USD ($)
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Jan. 15, 2013
5.125% Senior Notes, due 2023 [Member]
USD ($)
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Jan. 15, 2013
6.5% Senior Notes, due 2043 [Member]
USD ($)
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Jan. 15, 2013
6.5% Senior Notes, due 2043 [Member]
USD ($)
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May 20, 2014
Euro Medium Term Note Program [Member]
USD ($)
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May 20, 2014
2.375% Euro Medium Term Notes, due 2020 [Member]
EUR (€)
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Aug. 31, 2014
2.375% Euro Medium Term Notes, due 2020 [Member]
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May 20, 2014
2.375% Euro Medium Term Notes, due 2020 [Member]
EUR (€)
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Aug. 31, 2014
3.875% Convertible Senior Debentures due 2029 [Member]
USD ($)
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Aug. 31, 2014
3.875% Convertible Senior Debentures due 2029 [Member]
Leucadia [Member]
USD ($)
Trading_day
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| Debt Instrument [Line Items] | |||||||||||||||||
| Long-term debt at fair value | $ 6,100,000,000 | ||||||||||||||||
| Difference between fair value over the total principal amount | 536,500,000 | ||||||||||||||||
| Issuance of senior unsecured long-term debt | 1,000,000,000 | 600,000,000 | 400,000,000 | 2,000,000,000 | 500,000,000 | 345,000,000 | |||||||||||
| Proceeds, net of original issue discount amount | 595,600,000 | 391,700,000 | 498,700,000 | ||||||||||||||
| Senior long-term debt, interest rate | 5.125% | 6.50% | 2.375% | 2.375% | 3.875% | 3.875% | |||||||||||
| Senior long-term debt, due date | 2023 | 2043 | 2020 | ||||||||||||||
| Debenture principal amount | 1,000 | ||||||||||||||||
| Debt instrument convertible conversion ratio | 22.1312 | ||||||||||||||||
| Conversion price of common stock | $ 45.19 | ||||||||||||||||
| Debt instrument convertible conversion ratio | 130.00% | ||||||||||||||||
| Earliest period of conversion price | 20 | ||||||||||||||||
| Latest period of conversion price | 30 days | ||||||||||||||||
| Consecutive trading days | 10 days | ||||||||||||||||
| Trading price per debenture related to common stock | 95.00% | ||||||||||||||||
| Debentures convertible at holder's options | 1) Leucadia's common stock price is greater than or equal to 130% of the conversion price for at least 20 trading days in a period of 30 consecutive trading days; 2) if the trading price per debenture is less than 95% of the price of the common stock times the conversion ratio for any 10 consecutive trading days; 3) if the debentures are called for redemption; or 4) upon the occurrence of specific corporate actions. | ||||||||||||||||
| Description to redeem the debentures for par, plus accrued interest | On or after November 1, 2012 if the price of Leucadia's common stock is greater than 130% of the conversion price for at least 20 days in a period of 30 consecutive trading days and we may redeem the debentures for par, plus accrued interest, at our election any time on or after November 1, 2017. | ||||||||||||||||
| Description of contingent debenture interest payment | November 1, 2017, 2019 and 2024. In addition to ordinary interest, commencing November 1, 2017, contingent interest will accrue at 0.375% if the average trading price of a debenture for 5 trading days ending on and including the third trading day immediately preceding a six-month interest period equals or exceed $1,200 per $1,000 debenture | ||||||||||||||||
| Trading price of contingent interest | 1,200 | ||||||||||||||||
| Revolving credit facility | 950,000,000 | ||||||||||||||||
| Borrowed unsecured credit facility-JBL | 250,000,000 | 250,000,000 | |||||||||||||||
| Amended and restated credit facility period | 3 years | ||||||||||||||||
| Line of credit reduced borrowing capacity | $ 750,000,000 |