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Variable Interest Entities (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 4,917	$ 5,424
Property, plant, and equipment, net	30,072	30,209
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	16,149	16,802
Debt and finance lease obligations, less current portion	10,044	10,118
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents	205	260
Other current assets	1,631	1,577
Property, plant, and equipment, net	4,536	4,512
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	754	1,443
Debt and finance lease obligations, less current portion	662	669
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents	170	237
Other current assets	1,582	1,520
Property, plant, and equipment, net	3,805	3,772
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	385	616
Debt and finance lease obligations, less current portion	662	669
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents	0	0
Other current assets	9	11
Property, plant, and equipment, net	660	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	35	23
Other current assets	40	46
Property, plant, and equipment, net	71	75
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	17	19
Debt and finance lease obligations, less current portion	$ 0	$ 0

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