Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2022
Statement of Stockholders' Equity [Abstract]
Common stock dividends per share (USD per share)	$ 0.40	$ 0.40
Purchase of Delek common stock from IEP Energy Holding LLC	$ (40.0)	$ (40.0)

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration