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Debt, Credit Facilities (Details) | Mar. 31, 2022 USD ($) | Mar. 31, 2022 CAD ($) | Dec. 31, 2021
--- | --- | --- | ---
Valero Revolver [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | $ 4,000,000,000 |  |
Outstanding borrowings, long term |  | 0 |  |
Availability |  | 3,385,000,000 |  |
Valero Revolver Letter of Credit [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Letters of credit issued | [1] | 615,000,000 |  |
Canadian Revolver [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  |  | $ 150,000,000 |
Outstanding borrowings, short-term |  |  | 0 |
Availability |  |  | $ 145,000,000 |
Canadian Revolver Letter of Credit [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Letters of credit issued | [1] | 5,000,000 |  |
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 |  |
Committed Letter of Credit Facility [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  | 50,000,000 |  |
Letters of credit issued | [1] | 0 |  |
Availability |  | 50,000,000 |  |
DGD Revolver [Member] | Credit Facilities [Member] | Diamond Green Diesel Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount | [2],[3] | 400,000,000 |  |
Outstanding borrowings, long term | [2],[3] | 100,000,000 |  |
Availability | [2],[3] | $ 285,000,000 |  |
Interest rate at period end (percent) |  | 2.14% | 2.14% | 1.86%
DGD Revolver Letter Of Credit [Member] | Credit Facilities [Member] | Diamond Green Diesel Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Letters of credit issued | [1],[2],[3] | $ 15,000,000 |  |
DGD Loan Agreement [Member] | Credit Facilities [Member] | Diamond Green Diesel Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Valero Energy Corporation |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount | [2],[4] | 25,000,000 |  |
Outstanding borrowings, long term | [2],[4] | 25,000,000 |  |
Availability | [2],[4] | $ 0 |  |
Interest rate at period end (percent) |  | 2.735% | 2.735% | 2.603%
IEnova Revolver [Member] | Credit Facilities [Member] | Central Mexico Terminals [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount | [2],[5] | $ 830,000,000 |  |
Outstanding borrowings, long term | [2],[5] | 692,000,000 |  |
Availability | [2],[5] | $ 138,000,000 |  |
Interest rate at period end (percent) |  | 3.864% | 3.864% | 3.781%
Uncommitted Letter of Credit Facility [Member] | Credit Facilities [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Letters of credit issued | [1] | $ 834,000,000 |  |
[1] | Letters of credit issued as of March 31, 2022 expire at various times in 2022 through 2023.
[2] | Creditors of the VIEs do not have recourse against us.
[3] | The variable interest rate on the DGD Revolver was 2.140 percent and 1.860 percent as of March 31, 2022 and December 31, 2021, respectively.
[4] | In March 2022, the maturity date of this facility was extended to April 2023. 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. The variable interest rate on the DGD Loan Agreement was 2.735 percent and 2.603 percent as of March 31, 2022 and December 31, 2021, respectively.
[5] | The variable interest rate on the IEnova Revolver was 3.864 percent and 3.781 percent as of March 31, 2022 and December 31, 2021, respectively.

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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