Property, Plant, and Equipment (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant, and Equipment, Net
Finance lease ROU assets (see Note 5)		$ 3,062	$ 2,906
Property, plant, and equipment, at cost		51,668	50,576
Accumulated depreciation		(21,459)	(19,598)
Property, plant, and equipment, net		30,209	30,978
Property, Plant, and Equipment (Textual)
Depreciation expense		1,900	1,700	$ 1,700
Asset impairment loss		0	61	0
Land [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		505	499
Crude Oil Processing Facilities [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		34,043	32,699
Transportation and Terminaling Facilities [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		5,978	5,900
Waste And Renewable Feedstocks Processing Facilities [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		3,243	3,215
Corn Processing Facilities [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		1,069	1,052
Administrative Buildings [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		1,137	1,095
Other [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		1,942	1,886
Construction in Progress [Member]
Property, Plant, and Equipment, Net
Property, plant, and equipment, at cost		$ 689	1,324
Ethanol Plants, Lakota, Iowa [Member]
Property, Plant, and Equipment (Textual)
Asset impairment loss			$ 61
Ethanol Plants, Jefferson, Wisconsin [Member]
Property, Plant, and Equipment (Textual)
Depreciation expense				$ 48
Proceeds from sale of ethanol plant	$ 32
Gain on sale of ethanol plant	$ 23