Segment Data - Operating Performance (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	$ 4,459.1	$ 2,392.2
Operating costs and expenses:
Cost of materials and other	4,152.5	2,172.8	[1]
Operating expenses (excluding depreciation and amortization presented below)	166.9	155.3
Segment contribution margin	139.7	64.1
Income (loss)from equity method investment	10.9	4.8	[1],[2]
Depreciation and amortization	68.3	68.5	[2]
General and administrative expenses	53.1	41.1	[1]
Other operating (income) expense, net	(28.4)	1.9	[1]
Operating income (loss)	46.7	(47.4)	[1]
Capital spending (excluding business combinations)	32.9	67.0
Revision of Prior Period, Change in Accounting Principle, Adjustment
Operating costs and expenses:
Cost of materials and other	121.1	(32.7)
Refining
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	3,267.9	1,584.5
Logistics
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	82.8	56.7
Retail Segment
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	209.5	174.8
Operating Segments | Refining
Operating costs and expenses:
Operating expenses (excluding depreciation and amortization presented below)	119.9	114.7
Segment contribution margin	96.9	10.4
Income (loss)from equity method investment	0.2	0.2
Segment Contribution Margin And Income (Loss) From Equity Method Investments	97.1	10.6
Depreciation and amortization	52.8	52.1
Capital spending (excluding business combinations)	14.3	57.8
Operating Segments | Logistics
Operating costs and expenses:
Operating expenses (excluding depreciation and amortization presented below)	18.1	14.9
Segment contribution margin	62.3	56.9
Income (loss)from equity method investment	7.0	4.0
Segment Contribution Margin And Income (Loss) From Equity Method Investments	69.3	60.9
Depreciation and amortization	10.4	10.7
Capital spending (excluding business combinations)	9.1	7.8
Operating Segments | Retail Segment
Operating costs and expenses:
Operating expenses (excluding depreciation and amortization presented below)	22.7	21.6
Segment contribution margin	13.8	16.7
Income (loss)from equity method investment	0.0	0.0
Segment Contribution Margin And Income (Loss) From Equity Method Investments	13.8	16.7
Depreciation and amortization	3.5	3.2
Capital spending (excluding business combinations)	3.0	0.8
Corporate, Other and Eliminations
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	898.9	576.2
Operating costs and expenses:
Operating expenses (excluding depreciation and amortization presented below)	6.2	4.1
Segment contribution margin	(33.3)	(19.9)
Income (loss)from equity method investment	3.7	0.6
Segment Contribution Margin And Income (Loss) From Equity Method Investments	(29.6)	(19.3)
Depreciation and amortization	1.6	2.5
Capital spending (excluding business combinations)	6.5	0.6
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	(349.6)	(251.8)
Intersegment Eliminations | Refining
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	225.8	155.6
Intersegment Eliminations | Logistics
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	123.8	96.2
Intersegment Eliminations | Retail Segment
Segment Reporting Information [Line Items]
Net revenues (excluding inter-segment fees and revenues)	0.0	0.0
Product
Operating costs and expenses:
Cost of materials and other	4,152.5	2,172.8
Product | Operating Segments | Refining
Operating costs and expenses:
Cost of materials and other	3,276.9	1,615.0
Product | Operating Segments | Logistics
Operating costs and expenses:
Cost of materials and other	126.2	81.1
Product | Operating Segments | Retail Segment
Operating costs and expenses:
Cost of materials and other	173.0	136.5
Product | Corporate, Other and Eliminations
Operating costs and expenses:
Cost of materials and other	$ 576.4	$ 340.2

[1] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 6 for further discussion.

[2] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 6 for further discussion.