Variable Interest Entities (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 5,075	$ 4,862
Property, plant, and equipment, net	30,570	30,978
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	14,948	17,461
Debt and finance lease obligations, less current portion	10,130	10,526
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents	344	149
Other current assets	1,241	1,145
Property, plant, and equipment, net	4,494	4,545
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	1,232	1,384
Debt and finance lease obligations, less current portion	680	693
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents	318	133
Other current assets	1,204	1,106
Property, plant, and equipment, net	3,748	3,785
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	432	626
Debt and finance lease obligations, less current portion	680	693
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents	0	0
Other current assets	6	7
Property, plant, and equipment, net	672	681
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	782	737
Debt and finance lease obligations, less current portion	0	0
Other VIEs [Member]
Assets
Cash and cash equivalents	26	16
Other current assets	31	32
Property, plant, and equipment, net	74	79
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	18	21
Debt and finance lease obligations, less current portion	$ 0	$ 0