Consolidated Statements Of Financial Condition (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 3,524,524		$ 4,276,775
Cash and securities segregated and on deposit for regulatory purposes or deposited with clearing and depository organizations	3,186,319	[1]	3,444,674	[1]
Financial instruments owned, including securities pledged of $14,407,276 and $14,794,488:
Trading assets, at fair value	20,971,087		19,612,490
Available for sale securities	974,430		1,608,769
Total financial instruments owned	21,945,517		21,221,259
Investments in managed funds	593,581		281,470
Loans to and investments in associated companies	1,762,711		1,712,568
Securities borrowed	6,566,376		6,853,103
Securities purchased under agreements to resell	3,745,688		3,926,858
Securities received as collateral	4,821		5,418
Receivables	4,354,707		3,934,825
Property, equipment and leasehold improvements, net	722,149		726,376
Intangible assets, net and goodwill	2,702,298		2,720,763
Deferred tax asset, net	1,506,968		1,712,535
Other assets	1,707,033		1,807,284
Total	52,322,692		52,623,908
LIABILITIES
Short-term borrowings	411,998		12,000
Trading liabilities, at fair value	7,945,501		8,904,592
Securities loaned	3,173,512		2,598,487
Securities sold under agreements to repurchase	11,323,367		10,672,157
Other secured financings	950,377		705,126
Obligation to return securities received as collateral	4,821		5,418
Payables, expense accruals and other liabilities	8,940,421		10,516,491
Long-term debt	8,558,783		8,527,929
Total liabilities	41,308,780		41,942,200
Commitments and contingencies
MEZZANINE EQUITY
Redeemable noncontrolling interests	168,541		186,686
Mandatorily redeemable convertible preferred shares	125,000		125,000
EQUITY
Common shares, par value $1 per share, authorized 600,000,000 shares; 366,721,455 and 367,498,615 shares issued and outstanding, after deducting 49,224,733 and 48,447,573 shares held in treasury	366,721		367,499
Additional paid-in capital	5,073,033		5,059,508
Accumulated other comprehensive income	427,118		447,082
Retained earnings	4,784,966		4,428,069
Total Leucadia National Corporation shareholders' equity	10,651,838		10,302,158
Noncontrolling interests	68,533		67,864
Total equity	10,720,371		10,370,022
Total	$ 52,322,692		$ 52,623,908

[1] Securities comprise U.S. government securities segregated for regulatory purposes with a fair value of $434.8 million and $453.7 million at March 31, 2015 and December 31, 2014, respectively, and Commodities Futures Trading Commission ("CFTC") approved money market funds with a fair value of $810.0 million and $545.0 million at March 31, 2015 and December 31, 2014, respectively.