Revenues from Contracts with Customers - Schedule of Disaggregated Revenues (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 4,782,615,000	$ 4,471,236,000	$ 8,679,862,000	$ 8,599,663,000
Mid-Continent
Disaggregation of Revenue [Line Items]
Sales and other revenues		2,361,969,000	2,231,700,000	4,092,474,000	4,121,246,000
Southwest
Disaggregation of Revenue [Line Items]
Sales and other revenues		1,008,806,000	1,002,075,000	1,858,955,000	1,848,553,000
Rocky Mountains
Disaggregation of Revenue [Line Items]
Sales and other revenues		613,063,000	610,970,000	1,128,398,000	1,241,872,000
Northeast
Disaggregation of Revenue [Line Items]
Sales and other revenues		148,116,000	93,179,000	276,007,000	176,036,000
Canada
Disaggregation of Revenue [Line Items]
Sales and other revenues		174,772,000	191,939,000	352,127,000	372,361,000
Europe and Asia
Disaggregation of Revenue [Line Items]
Sales and other revenues		83,284,000	50,724,000	152,689,000	101,703,000
Transportation fuels
Disaggregation of Revenue [Line Items]
Sales and other revenues	[1]	3,633,966,000	3,520,014,000	6,441,407,000	6,594,402,000
Specialty lubricant products
Disaggregation of Revenue [Line Items]
Sales and other revenues	[2]	507,183,000	417,177,000	951,525,000	816,216,000
Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[3]	248,861,000	243,396,000	467,718,000	451,153,000
Total refined product revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues		4,390,010,000	4,180,587,000	7,860,650,000	7,861,771,000
Excess crude oil revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues	[4]	350,683,000	256,090,000	733,313,000	652,806,000
Transportation and logistic services
Disaggregation of Revenue [Line Items]
Sales and other revenues		28,382,000	24,746,000	59,520,000	52,203,000
Other revenues (5)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[5]	13,540,000	9,813,000	26,379,000	32,883,000
Refining
Disaggregation of Revenue [Line Items]
Sales and other revenues		4,208,776,000	3,987,115,000	7,581,442,000	7,645,262,000
Refining | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		210,700,000	192,884	380,600,000	354,840
Lubricants and other specialty products
Disaggregation of Revenue [Line Items]
Sales and other revenues		545,346,000	459,405,000	1,038,680,000	902,271,000
Lubricants and other specialty products | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 38,200,000	$ 50,512	$ 87,200,000	$ 96,313

[1] Transportation fuels consist of gasoline, diesel and jet fuel.

[2] Specialty lubricant products consist of base oil, waxes, finished lubricants and other specialty fluids.

[3] Asphalt, fuel oil and other products revenue include revenues attributable to our Refining and Lubricants and Specialty Products segments of $210.7 million and $38.2 million, respectively, for the three months ended June 30, 2019, $380.6 million and $87.2 million, respectively, for the six months ended June 30, 2019, $192,884 and $50,512, respectively, for the three months ended June 30, 2018, and $354,840 and $96,313, respectively, for the six months ended June 30, 2018.

[4] Excess crude oil revenues represent sales of purchased crude oil inventory that at times exceeds the supply needs of our refineries.

[5] Other revenues are principally attributable to our Refining segment.