CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Net income (loss)	$ 405	$ (74)	$ 613	$ 396
Other comprehensive income (loss):
Foreign currency translation adjustments	(9)	10	27	(7)
Hedging instruments:
Change in fair value of cash flow hedging instruments	1	0	1	(5)
Reclassifications to net income on settlement of cash flow hedging instruments	0	1	0	5
Net unrealized gain on hedging instruments	1	1	1	0
Pension and other post-retirement benefit obligations:
Net change in pension and other post-retirement benefit obligations	(1)	0	(3)	(2)
Other comprehensive income (loss) before income taxes	(9)	11	25	(9)
Income tax expense (benefit)	(2)	2	5	(2)
Other comprehensive income (loss)	(7)	9	20	(7)
Total comprehensive income (loss)	398	(65)	633	389
Less: noncontrolling interest in comprehensive income	2	2	6	5
Comprehensive income (loss) attributable to HF Sinclair stockholders	396	(67)	627	384
Pension obligations
Pension and other post-retirement benefit obligations:
Pension and other post-retirement benefit obligation (gain) loss reclassified to net income	0	1	0	1
Post-retirement healthcare obligations
Pension and other post-retirement benefit obligations:
Pension and other post-retirement benefit obligation (gain) loss reclassified to net income	$ (1)	$ (1)	$ (3)	$ (3)