Variable Interest Entities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 5,831	$ 4,862
Property, plant, and equipment, net	30,253	30,978
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	17,592	17,461
Debt and finance lease obligations, less current portion	10,107	10,526
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents	223	149
Other current assets	1,425	1,145
Property, plant, and equipment, net	4,503	4,545
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	1,366	1,384
Debt and finance lease obligations, less current portion	676	693
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents	198	133
Other current assets	1,387	1,106
Property, plant, and equipment, net	3,764	3,785
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	549	626
Debt and finance lease obligations, less current portion	676	693
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents	0	0
Other current assets	8	7
Property, plant, and equipment, net	668	681
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	799	737
Debt and finance lease obligations, less current portion	0	0
Other VIEs [Member]
Assets
Cash and cash equivalents	25	16
Other current assets	30	32
Property, plant, and equipment, net	71	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