Variable Interest Entities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 5,521	$ 4,862
Property, plant, and equipment, net	30,780	30,978
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	15,365	17,461
Debt and finance lease obligations, less current portion	10,173	10,526
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents	118	149
Other current assets	1,288	1,145
Property, plant, and equipment, net	4,512	4,545
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	1,198	1,384
Debt and finance lease obligations, less current portion	698	693
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents	92	133
Other current assets	1,246	1,106
Property, plant, and equipment, net	3,759	3,785
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	443	626
Debt and finance lease obligations, less current portion	686	693
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents	0	0
Other current assets	10	7
Property, plant, and equipment, net	676	681
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	748	737
Debt and finance lease obligations, less current portion	0	0
Other VIEs [Member]
Assets
Cash and cash equivalents	26	16
Other current assets	32	32
Property, plant, and equipment, net	77	79
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	7	21
Debt and finance lease obligations, less current portion	$ 12	$ 0