XML 101 R87.htm IDEA: XBRL DOCUMENT v3.8.0.1
Commitments and Contingencies Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Loss Contingencies [Line Items]      
Environmental loss contingency accrual $ 50 $ 50  
Funded status of the plan and amounts recognized in the consolidated balance sheets (424) (613)  
2018 237    
2019 222    
2020 198    
2021 170    
2022 142    
Thereafter 388    
Future minimum payments due on operating leases 1,357    
Rent expense 264 237 $ 145
Automotive Segment      
Loss Contingencies [Line Items]      
Environmental loss contingency accrual 16 16  
Estimate of additional remediation costs 24    
Asset retirement obligations 15 15  
Energy Segment      
Loss Contingencies [Line Items]      
Purchase commitments 209 151 136
Environmental loss contingency accrual 4 5  
Environmental remediation costs 16 17 36
Price of RINs 249 206 $ 124
Biofuel blending obligation 28 186  
Railcar Segment      
Loss Contingencies [Line Items]      
Railcar loss contingency accrual 9    
Metals Segment      
Loss Contingencies [Line Items]      
Environmental loss contingency accrual $ 28 $ 28  
Mr. Icahn and affiliates      
Loss Contingencies [Line Items]      
Affiliate ownership interest 91.00%    
Mr. Icahn and affiliates | Icahn Enterprises G.P.      
Loss Contingencies [Line Items]      
Affiliate ownership in parent company general partner 100.00%    
Starfire Holding Corporation [Member]      
Loss Contingencies [Line Items]      
Ownership percentage by principal owner 99.40%    
Pension funding indemnity agreement with subsidiary $ 250