Debt Table (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Debt	$ 12,120	$ 11,588
Automotive Segment [Member]
Debt Instrument [Line Items]
Debt	2,925	2,690
Energy Segment [Member]
Debt Instrument [Line Items]
Debt	674	675
Gaming Segment [Member]
Debt Instrument [Line Items]
Debt	294	295
Railcar Segment [Member]
Debt Instrument [Line Items]
Debt	2,391	2,133
Food Packaging Segment [Member]
Debt Instrument [Line Items]
Debt	272	274
Home Fashion Segment [Member]
Debt Instrument [Line Items]
Debt	0	0
Senior unsecured notes [Member] | 2022 Notes [Member]
Debt Instrument [Line Items]
Debt	1,338	1,337
Senior unsecured notes [Member] | 2020 Notes [Member]
Debt Instrument [Line Items]
Debt	1,708	1,708
Senior unsecured notes [Member] | 2019 Notes [Member]
Debt Instrument [Line Items]
Debt	1,270	1,270
Senior unsecured notes [Member] | 2017 Notes [Member]
Debt Instrument [Line Items]
Debt	1,172	1,171
Senior unsecured notes [Member] | Railcar Segment [Member]
Debt Instrument [Line Items]
Debt	2,391	2,133
Debt facilities [Member] | Automotive Segment [Member]
Debt Instrument [Line Items]
Debt	2,801	2,584
Debt facilities [Member] | Energy Segment [Member]
Debt Instrument [Line Items]
Debt	625	625
Secured credit facilities [Member] | Gaming Segment [Member]
Debt Instrument [Line Items]
Debt	294	295
Secured credit facilities [Member] | Food Packaging Segment [Member]
Debt Instrument [Line Items]
Debt	270	272
Other Debt Obligations [Member]
Debt Instrument [Line Items]
Debt	$ 251	$ 193