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Debt - Schedule of Tender Offer (Details) - Senior Notes $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($)
Tender Offer
Debt Instrument [Line Items]
Aggregate Principal Amount Accepted	$ 647
Purchase Price Including Premium	654
Interest Paid	13
HF Sinclair Senior Notes:
Debt Instrument [Line Items]
Aggregate Principal Amount Accepted	599
Purchase Price Including Premium	605
Interest Paid	$ 12
5.875% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	5.875%
Aggregate Principal Amount Accepted	$ 449
Purchase Price Including Premium	452
Interest Paid	$ 9
6.375% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	6.375%
Aggregate Principal Amount Accepted	$ 150
Purchase Price Including Premium	153
Interest Paid	$ 3
HollyFrontier Senior Notes:
Debt Instrument [Line Items]
Stated interest rate	5.875%
Aggregate Principal Amount Accepted	$ 48
Purchase Price Including Premium	49
Interest Paid	$ 1

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