CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Sales and other revenues (Note 3)		$ 7,251	$ 7,207	$ 20,405	$ 22,080
Cost of sales:
Cost of materials and other	[1]	5,692	6,158	16,608	18,835
Lower of cost or market inventory valuation adjustments (Note 8)		66	202	97	(20)
Operating expenses		590	630	1,758	1,828
Total cost of sales	[2]	6,348	6,990	18,463	20,643
Selling, general and administrative expenses	[2]	105	118	323	327
Depreciation and amortization		230	210	681	613
Other operating expenses, net		4	10	18	10
Total operating costs and expenses		6,687	7,328	19,485	21,593
Income (loss) from operations		564	(121)	920	487
Other income (expense):
Earnings of equity method investments		6	8	27	24
Interest income		11	18	27	59
Interest expense		(51)	(40)	(153)	(127)
Other income (expense), net (Note 4)		(2)	4	(48)	5
Total other income (expense)		(36)	(10)	(147)	(39)
Income (loss) before income taxes		528	(131)	773	448
Income tax expense (benefit) (Note 10):
Current		74	8	106	106
Deferred		49	(65)	54	(54)
Total income tax expense		123	(57)	160	52
Net income (loss)		405	(74)	613	396
Less: net income attributable to noncontrolling interest		2	2	6	5
Net income (loss) attributable to HF Sinclair stockholders		$ 403	$ (76)	$ 607	$ 391
Earnings (loss) per share attributable to HF Sinclair stockholders:
Basic (in USD per share)		$ 2.15	$ (0.40)	$ 3.21	$ 2.01
Diluted (in USD per share)		$ 2.15	$ (0.40)	$ 3.21	$ 2.01
Average number of common shares outstanding (in thousands):
Basic (in shares)		186,499	189,840	187,688	193,341
Diluted (in shares)		186,499	189,840	187,688	193,341

[1] Exclusive of Lower of cost or market inventory valuation adjustments.

[2] Exclusive of Depreciation and amortization.