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Debt Narrative - Debt and Credit Facilities - Energy (Details) - USD ($) $ in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 23, 2012 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 01, 2012 | Apr. 13, 2011
Debt Instrument [Line Items] |  |  |  |  |  |
Loss on extinguishment of debt |  | $ (2) | $ (162) | $ 0 |  |
CVR 2022 Notes [Member] | Energy Segment [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term Loan Facility | $ 500 |  |  |  |  |
Interest rate, long-term debt | 6.50% |  |  |  |  |
Gross proceeds from sale of senior unsecured notes | $ 493 |  |  |  |  |
ABL Credit Facility [Member] | Energy Segment [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  |  | $ 400 |
Line of credit facility, incremental borrowing increase |  |  |  |  | $ 200 |
Letters of credit sublimit as a percentage of total facility commitment |  |  |  |  | 10.00% |
Availability under ABL credit facility |  | 290 |  |  |  |
Letters of Credit Outstanding, Amount |  | 28 |  |  |  |
Letters of credit outstanding |  | $ 0 |  |  |  |
CVR Partners Credit Facility [Member] | Energy Segment [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term Loan Facility |  |  |  |  |  | $ 125
Line of credit facility |  |  |  |  |  | 25
Line of credit facility, potential increase in maximum borrowing capacity if covenant requirements met |  |  |  |  |  | $ 50
Base Rate [Member] | CVR Partners Credit Facility [Member] | Energy Segment [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Percentage spread on debt |  | 2.50% |  |  |  |
EuroDollar [Member] | CVR Partners Credit Facility [Member] | Energy Segment [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Percentage spread on debt |  | 3.50% |  |  |  |

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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