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Debt and Finance Lease Obligations, Credit Facilities (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Nov. 30, 2023 CAD ($)
Credit Facilities (Textual) |  |  |  |
Increase in noncontrolling interest, conversion of IEnova Revolver debt to equity |  | $ 732,000,000 |  |
Valero Revolver [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | 4,000,000,000 |  |
Outstanding borrowings, long term |  | 0 |  |
Availability |  | 3,998,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount |  | 4,000,000,000 |  |
Option to increase aggregate commitments under line of credit facility, increase limit, subject to certain restrictions |  | 5,500,000,000 |  |
Outstanding borrowings, long term |  | 0 |  |
Valero Revolver Letter of Credit [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | 2,400,000,000 |  |
Letters of credit issued | [1] | 2,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount |  | 2,400,000,000 |  |
Canadian Revolver [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  |  |  | $ 150,000,000
Credit Facilities (Textual) |  |  |  |
Facility amount |  |  |  | $ 150,000,000
Accounts Receivable Sales Facility [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | 1,300,000,000 |  |
Outstanding borrowings, short-term |  | 0 |  |
Availability |  | 1,300,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount |  | 1,300,000,000 |  |
Designated pool of accounts receivable |  | 2,500,000,000 | $ 2,600,000,000 |
DGD Revolver [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount | [2] | 400,000,000 |  |
Outstanding borrowings, long term | [2] | 0 |  |
Availability | [2] | 386,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount | [2] | 400,000,000 |  |
Option to increase aggregate commitments under line of credit facility, increase limit, subject to certain restrictions |  | 550,000,000 |  |
Outstanding borrowings, long term | [2] | 0 |  |
Interest rate at period end (percent) |  |  | 7.201% |
DGD Revolver Letter of Credit [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | 150,000,000 |  |
Letters of credit issued | [1],[2] | 14,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount |  | 150,000,000 |  |
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Darling Ingredients Inc. [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | 100,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount |  | 100,000,000 |  |
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | 200,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount |  | 200,000,000 |  |
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Valero Energy Corporation [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount | [2],[3] | 100,000,000 |  |
Outstanding borrowings, long term | [2],[3] | 0 |  |
Availability | [2],[3] | 100,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount | [2],[3] | 100,000,000 |  |
Outstanding borrowings, long term | [2],[3] | 0 |  |
IEnova Revolver [Member] | Credit Facilities [Member] | Central Mexico Terminals [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount | [2] | 830,000,000 |  |
Outstanding borrowings, long term | [2] | 58,000,000 |  |
Availability | [2] | 772,000,000 |  |
Credit Facilities (Textual) |  |  |  |
Facility amount | [2] | 830,000,000 |  |
Outstanding borrowings, long term | [2] | $ 58,000,000 |  |
Interest rate at period end (percent) |  | 8.443% | 9.245% |
Debt conversion, debt amount converted |  | $ 732,000,000 |  |
Uncommitted Letter of Credit Facility [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Letters of credit issued | [1] | $ 71,000,000 |  |
[1] | Letters of credit issued as of December 31, 2024 expire at various times in 2025 through 2026.
[2] | Creditors of the VIEs do not have recourse against us.
[3] | The amounts shown for this facility represent the facility amount available from, and borrowings outstanding to, the noncontrolling member as any transactions between DGD and us under this facility are eliminated in consolidation.

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- Definition The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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