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Revenue - Deferred Revenue (Details) - CVR Partners $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Change in Contract with Customer, Liability [Roll Forward]
Balance at beginning of period	$ 69
Add:
New prepay contracts entered into during the period	9
Less:
Revenue recognized that was included in the contract liability balance at the beginning of the period	12
Revenue recognized related to contracts entered into during the period	1
Balance at end of period	$ 65

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- Definition

Change in Contract with Customer, Liability [Roll Forward]

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- Definition

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Contract With Customer, Liability, Increases During Period [Abstract]

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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