Acres of land

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Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries, Percentage

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- Definition

Nnumber of Manufacturing Facilities

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- Definition

Number of Distribution Centers

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- Definition

Number of Units of Residential Housing in Future Development

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- Definition

The number of real estate properties owned as of the balance sheet date.

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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- Definition

The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 50

-Paragraph 1A

-Subparagraph (b)(1)(i)

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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 22

-Article 12

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Operating Units Other Segments and Other Information (Details) (USD $) In Millions, unless otherwise specified				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Real Estate Segment [Member] real_estate_properties	Dec. 31, 2012 Real Estate Segment [Member]	Dec. 31, 2013 Viskase [Member] distribution_centers manufacturing_facilities	Dec. 31, 2013 ARI [Member]	Dec. 31, 2013 MASSACHUSETTS Real Estate Segment [Member] real_estate_property_units	Dec. 31, 2013 FLORIDA Real Estate Segment [Member] real_estate_property_units	Dec. 31, 2013 Las Vegas, Nevada [Member] [Member] Real Estate Segment [Member]
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary				73.50%	55.60%
Number of manufacturing facilities				9
Number of distribution centers				10
Percentage of revenues from foreign countries				70.00%
Number of Real Estate Properties		29
Number of residential units for future development						271	1,325
Acres of land								23
Real estate assets pledged to collateralize mortgages		$ 56	$ 73
Operating Leases, Future Minimum Payments Receivable, Due in 2014	434
Operating Leases, Future Minimum Payments Receivable, Due in 2015	353
Operating Leases, Future Minimum Payments Receivable, Due in 2016	311
Operating Leases, Future Minimum Payments Receivable, Due in 2017	264
Operating Leases, Future Minimum Payments Receivable, Due in 2018	189
Operating Leases, Future Minimum Payments Receivable, Thereafter	216
Operating Leases, Future Minimum Payments Receivable	$ 1,767