Related Party Transactions - Distributions to CVR Energy Stockholders and Partners' Unitholders (Narrative) (Details) - Subsequent Event - USD ($) $ / shares in Units, $ in Millions	Nov. 23, 2026	Nov. 03, 2026
Related Party Transaction [Line Items]
Dividends declared per share (in dollars per share)		$ 0.10
Dividends, cash		$ 10
IEP \| Forecast
Related Party Transaction [Line Items]
Proceeds from dividends received	$ 7
Proceeds from distribution (less than for $1 million)	1
CVR Partners LP
Related Party Transaction [Line Items]
Distributions declared (in dollars per share)		$ 1.79
Distributions declared		$ 19
CVR Energy \| Forecast
Related Party Transaction [Line Items]
Proceeds from distribution (less than for $1 million)	$ 7

Aggregate dividends declared during the period for each share of common stock outstanding.

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