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Debt, Activity Under Credit Facilities (Details) - USD ($) $ in Millions | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Accounts Receivable Sales Facility [Member] | Line of Credit [Member] |  |
Line of Credit Facility [Line Items] |  |
Borrowings | $ 0 | $ 300
Repayments | 0 | (400)
DGD Revolver [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Line of Credit [Member] |  |
Line of Credit Facility [Line Items] |  |
Borrowings | 100 | 0
IEnova Revolver [Member] | Line of Credit [Member] | Central Mexico Terminals [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |
Line of Credit Facility [Line Items] |  |
Borrowings | $ 29 | $ 202

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- Definition The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Details
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