Related Party Transactions - Dividends to CVR Energy Stockholders (Details) $ / shares in Units, $ in Millions			3 Months Ended	12 Months Ended
	Jun. 10, 2021 USD ($) $ / shares shares	May 26, 2021 USD ($) $ / shares	Dec. 31, 2021 $ / shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($) $ / shares
Related Party Transaction [Line Items]
Dividends declared related to quarterly results (in dollars per share) | $ / shares			$ 0	$ 0
Dividends paid related to quarterly results (in dollars per share) | $ / shares				$ 0
Dividends paid				$ 241	$ 121	$ 306
Dividends declared per share (in dollars per share) | $ / shares		$ 4.89		$ 4.89	$ 1.20	$ 3.05
Dividend per share (in dollars per share) | $ / shares					$ 1.20	$ 3.05
Realized gain on investment	$ 112
IEP Energy LLC
Related Party Transaction [Line Items]
Proceeds from dividends received	171
IEP
Related Party Transaction [Line Items]
Dividends paid				$ 348	$ 85	$ 218
Delek US Holdings, Inc.
Related Party Transaction [Line Items]
Dividends paid	$ 241
Special dividend		$ 492
Dividend per share (in dollars per share) | $ / shares	$ 2.40
Dividends paid to CVR Energy stockholders (in shares) | shares	10,539,880
Outstanding shares of common stock, percent	0.143
Delek US Holdings, Inc. | IEP Energy LLC
Related Party Transaction [Line Items]
Common stock dividends, shares received (in shares) | shares	7,464,652