Variable Interest Entities (Details) $ in Millions		12 Months Ended
	Apr. 19, 2021 USD ($)	Dec. 31, 2023 USD ($) subsidiary terminal plant	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Assets
Cash and cash equivalents		$ 5,424	$ 4,862
Property, plant, and equipment, net		30,209	30,978
Liabilities
Current liabilities, including current portion of debt and finance lease obligations		16,802	17,461
Debt and finance lease obligations, less current portion		10,118	10,526
Variable Interest Entity (Textual)
Gain on sale of partial interest in MVP Terminalling, LLC (MVP)		0	0	$ 62
MVP Terminalling, LLC (MVP) [Member]
Variable Interest Entity (Textual)
Ownership interest (percent)	25.01%
Percent membership interest in unconsolidated joint venture sold (percent)	24.99%
Proceeds from sale of membership interest in unconsolidated joint venture	$ 270
Gain on sale of partial interest in MVP Terminalling, LLC (MVP)	$ 62
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents		260	149
Other current assets		1,577	1,145
Property, plant, and equipment, net		4,512	4,545
Liabilities
Current liabilities, including current portion of debt and finance lease obligations		1,443	1,384
Debt and finance lease obligations, less current portion		669	693
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents		237	133
Other current assets		1,520	1,106
Property, plant, and equipment, net		3,772	3,785
Liabilities
Current liabilities, including current portion of debt and finance lease obligations		616	626
Debt and finance lease obligations, less current portion		$ 669	693
Variable Interest Entity (Textual)
Number of renewable diesel plants owned by joint venture | plant		2
Ownership interest (percent)		50.00%
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents		$ 0	0
Other current assets		11	7
Property, plant, and equipment, net		665	681
Liabilities
Current liabilities, including current portion of debt and finance lease obligations		808	737
Debt and finance lease obligations, less current portion		$ 0	0
Variable Interest Entity (Textual)
Number of subsidiaries | subsidiary		3
Number of terminals | terminal		3
Other VIEs [Member]
Assets
Cash and cash equivalents		$ 23	16
Other current assets		46	32
Property, plant, and equipment, net		75	79
Liabilities
Current liabilities, including current portion of debt and finance lease obligations		19	21
Debt and finance lease obligations, less current portion		$ 0	$ 0
Variable Interest Entity (Textual)
Ownership interest (percent)		50.00%