Related Party Transactions - Schedule of Distributions to CVR Partners' Unitholders (Details) - CVR Partners LP - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Related Party Transaction [Line Items]
Total distributions paid	$ 42	$ 24	$ 46	$ 42
Distributions per common unit (in dollars per share)	$ 4.00	$ 2.26	$ 4.37	$ 4.01
CVR Energy
Related Party Transaction [Line Items]
Total distributions paid	$ 16	$ 9	$ 17	$ 16
Public unitholders
Related Party Transaction [Line Items]
Total distributions paid	26	14	29	26
IEP
Related Party Transaction [Line Items]
Total distributions paid	$ 1	$ 1	$ 1	$ 1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details