Variable Interest Entities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) terminal subsidiary plant	Dec. 31, 2024 USD ($)
Assets
Cash and cash equivalents	$ 4,688	$ 4,657
Property, plant, and equipment, net	27,617	29,314
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	14,109	15,495
Debt and finance lease obligations, less current portion	9,670	9,720
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents	228	374
Other current assets	1,173	1,027
Property, plant, and equipment, net	4,323	4,517
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	344	383
Debt and finance lease obligations, less current portion	616	642
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents	196	353
Other current assets	1,106	976
Property, plant, and equipment, net	3,643	3,806
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	297	304
Debt and finance lease obligations, less current portion	$ 616	642
Variable Interest Entity (Textual)
Number of plants owned by DGD joint venture | plant	2
Ownership interest (percent)	50.00%
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents	$ 2	0
Other current assets	18	9
Property, plant, and equipment, net	619	647
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	43	75
Debt and finance lease obligations, less current portion	$ 0	0
Variable Interest Entity (Textual)
Number of subsidiaries | subsidiary	3
Number of terminals | terminal	3
Other VIEs [Member]
Assets
Cash and cash equivalents	$ 30	21
Other current assets	49	42
Property, plant, and equipment, net	61	64
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	4	4
Debt and finance lease obligations, less current portion	$ 0	$ 0
Variable Interest Entity (Textual)
Ownership interest (percent)	50.00%