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v3.2.0.727

Operating Units Other Segments (Details) $ / shares in Units, $ in Millions |  |  |  | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 08, 2015 USD ($) | Apr. 25, 2015 USD ($) $ / shares | Oct. 02, 2013 | Jun. 30, 2015 USD ($) real_estate_property_units real_estate_properties distribution_centers manufacturing_facilities | Jun. 30, 2014 USD ($) | Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Fair value of investment in Ferrous Resources prior to acquisition of controlling interest |  |  |  | $ 36 | $ 0 |
Real Estate Segment [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of Real Estate commercial rental properties | real_estate_properties |  |  |  | 27 |  |
Pledged assets |  |  |  | $ 28 |  | $ 31
Ferrous Resources [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Percentage of equity ownership in subsidiary | 14.10% |  |  | 77.20% |  |
Payments to subsidiary to acquire additional interest in subsidiary, rights offering |  |  |  | $ 29 |  |
ARI [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Percentage of equity ownership in subsidiary |  |  |  | 55.60% |  |
Viskase [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Percentage of equity ownership in subsidiary |  |  |  | 73.30% |  |
Nnumber of Manufacturing Facilities | manufacturing_facilities |  |  |  | 9 |  |
Number of Distribution Centers | distribution_centers |  |  |  | 6 |  |
Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries, Percentage |  |  |  | 69.00% |  |
ARL [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Percentage of equity ownership in subsidiary |  |  |  | 75.00% |  |
ARL [Member] | Railcar Segment [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Percentage of equity ownership in subsidiary |  |  | 75.00% |  |  |
MASSACHUSETTS | Real Estate Segment [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of units of residential housing in future development | real_estate_property_units |  |  |  | 244 |  |
FLORIDA | Real Estate Segment [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of units of residential housing in future development | real_estate_property_units |  |  |  | 1,128 |  |
Ferrous Resources [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Fair value of investment in Ferrous Resources prior to acquisition of controlling interest | $ 36 |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss | 4 |  |  |  |  |
Gross payments to acquire business | 180 |  |  |  |  |
business combinations, recognized identifiable assets, net tangible assets | $ 362 |  |  |  |  |
Ferrous Resources [Member] | Mining Segment [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Business combination, commitment to purchase, price per share | $ / shares |  | $ 0.36 |  |  |  |
Amount of backstop of rights offering |  | $ 40 |  |  |  |

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