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Subsequent Events (Details) (USD $) | 0 Months Ended | 3 Months Ended |  |  |  |  |  |  | 0 Months Ended |  | 12 Months Ended | 1 Months Ended | 0 Months Ended | 3 Months Ended |  | 1 Months Ended | 0 Months Ended |  | 0 Months Ended | 12 Months Ended
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Feb. 11, 2013 Common Stock [Member] | Feb. 25, 2014 Dividend Declared [Member] Common Stock [Member] Limited partners | Nov. 01, 2013 Dividend Declared [Member] Common Stock [Member] Limited partners | Aug. 06, 2013 Dividend Declared [Member] Common Stock [Member] Limited partners | Apr. 29, 2013 Dividend Declared [Member] Common Stock [Member] Limited partners | Jan. 24, 2014 2010-2012 Notes [Member] Senior unsecured notes [Member] | Mar. 31, 2014 2010-2012 Notes [Member] Senior unsecured notes [Member] | Jan. 21, 2014 2017 Notes [Member] Senior unsecured notes [Member] | Jan. 15, 2010 2017 Notes [Member] Senior unsecured notes [Member] | Jan. 21, 2014 2019 Notes [Member] Senior unsecured notes [Member] | Jan. 15, 2010 2019 Notes [Member] Senior unsecured notes [Member] | Jan. 29, 2014 Additional 2020 Notes [Member] Senior unsecured notes [Member] | Jan. 21, 2014 Additional 2020 Notes [Member] Senior unsecured notes [Member] | Jan. 29, 2014 2022 Notes [Member] Senior unsecured notes [Member] | Feb. 28, 2007 Railcar Segment [Member] Senior unsecured notes [Member] | Dec. 31, 2013 Railcar Segment [Member] Term Loan [Member] | Jan. 31, 2014 Railcar Segment [Member] ARI Notes due 2020 [Member] Term Loan [Member] | Feb. 25, 2014 Railcar Segment [Member] NCI I Term Loan [Member] Term Loan [Member] | Feb. 21, 2014 Railcar Segment [Member] NCI I Term Loan [Member] Term Loan [Member] | Mar. 31, 2014 Food Packaging Segment [Member] Viskase Senior Secured Notes due 2021 [Member] Secured Debt [Member] | Jan. 30, 2014 Food Packaging Segment [Member] Viskase Senior Secured Notes due 2021 [Member] Secured Debt [Member] | Jan. 31, 2014 Honeywell [Member] Automotive Segment [Member] | Jan. 31, 2014 Affinia [Member] Automotive Segment [Member] | Feb. 24, 2014 New ARL [Member] [Member] Railcar Segment [Member] | Oct. 02, 2013 New ARL [Member] [Member] Railcar Segment [Member] | Jan. 31, 2014 New ARL [Member] [Member] Railcar Segment [Member] | Mar. 03, 2014 Limited partners Dividend Declared [Member] Depositary Units [Member] | Dec. 31, 2013 Limited partners Dividend Declared [Member] Depositary Units [Member]
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Facility |  |  |  |  |  |  |  | $ 1,175,000,000 |  | $ 1,275,000,000 |  |  | $ 1,200,000,000 | $ 1,350,000,000 | $ 275,000,000 |  |  |  |  |  | $ 275,000,000 |  |  |  |  | $ 385,000,000 |  |
Interest rate, long-term debt |  |  |  |  |  |  |  |  | 3.50% |  | 4.875% | 5.875% | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,340,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 1.00 | $ 1.50 | $ 1.25 | $ 1.25 | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution Made to Limited Partner, Distributions Declared, Per Unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5.00
Future distribution policy amount, annualized, per unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.00 |
Use of portion of debt proceeds |  |  |  |  |  | 3,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  | 108,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | 16,000,000 |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 155,000,000 | 150,000,000 |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 316,000,000 | 135,000,000 | 250,000,000 |  |  |  |  |  |  |  |  |
Proceeds from issuance of Long-term debt after proceeds used to refinance prior debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 122,000,000 |  |  |  |  |  |  |  |  |  |  |
Future cash expected to be distributed by newly capitalized entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 381,000,000 | 381,000,000 |  |  |
Business combination, potential earn out payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |  |  |  |
Additional borrowing availability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% | 2.00% | 3.70% | 2.00% |  |  |  |  |  |  |  |  |

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