Variable Interest Entities (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 5,184	$ 5,424
Property, plant, and equipment, net	29,681	30,209
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	15,298	16,802
Debt and finance lease obligations, less current portion	9,790	10,118
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents	218	260
Other current assets	1,500	1,577
Property, plant, and equipment, net	4,541	4,512
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	725	1,443
Debt and finance lease obligations, less current portion	649	669
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents	196	237
Other current assets	1,453	1,520
Property, plant, and equipment, net	3,823	3,772
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	369	616
Debt and finance lease obligations, less current portion	649	669
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents	0	0
Other current assets	9	11
Property, plant, and equipment, net	651	665
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	352	808
Debt and finance lease obligations, less current portion	0	0
Other VIEs [Member]
Assets
Cash and cash equivalents	22	23
Other current assets	38	46
Property, plant, and equipment, net	67	75
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	4	19
Debt and finance lease obligations, less current portion	$ 0	$ 0