Commitments and Contingencies - Affiliate Pension Obligations (Details) $ in Millions |
6 Months Ended | |
---|---|---|
Jun. 30, 2016
USD ($)
sponsor
|
Dec. 31, 2015
USD ($)
|
|
Loss Contingencies [Line Items] | ||
Minimum ownership interest in CVR Energy by Mr. Icahn's affiliates (as a percent) | 80.00% | |
Number of sponsors of pension plans | sponsor | 2 | |
Affiliate Pension Obligations | ||
Loss Contingencies [Line Items] | ||
Underfunded pension obligation, if ACF and Federal-Mogul plans were voluntarily terminated | $ | $ 533.3 | $ 589.2 |
Majority Shareholder | ||
Loss Contingencies [Line Items] | ||
Ownership percentage held by controlling stockholder | 82.00% |