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Revenue - Deferred Revenue (Details) $ in Millions	9 Months Ended
	Sep. 30, 2018 USD ($)
Less:
Balance at September 30, 2018	$ 32
CVR Partners
Change in Contract with Customer, Liability [Roll Forward]
Balance at January 1, 2018	34
Add:
New prepay contracts entered into during the period	36
Less:
Revenue recognized that was included in the contract liability balance at the beginning of the period	34
Revenue recognized related to contracts entered into during the period	4
Balance at September 30, 2018	$ 32

X

- Definition

Change in Contract with Customer, Liability [Roll Forward]

+ References

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- Definition

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+ References

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- Definition

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- Definition

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

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- Definition

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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.

+ References

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