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v3.20.1

Debt, Narrative (Details) - USD ($) |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 29, 2020 | Apr. 16, 2020 | Apr. 13, 2020 | Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Accounts Receivable Sales Facility [Member] | Credit Facilities [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Amount of eligible receivables sold under accounts receivable sales facility |  |  |  | $ 300,000,000 |  |
Variable interest rate (percent) |  |  |  | 2.1619% |  | 2.3866%
Line of credit facility, available capacity |  |  |  | $ 900,000,000 |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 1,300,000,000 |  |
Subsequent Event [Member] | Accounts Receivable Sales Facility [Member] | Credit Facilities [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Repayments on lines of credit | $ 400,000,000 |  |  |  |  |
Line of credit facility, available capacity | $ 512,000,000 |  |  |  |  |
Subsequent Event [Member] | 364-Day Revolving Credit Facility [Member] | Credit Facilities [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 875,000,000 |  |  |
Line of credit facility, term |  |  | 364 days |  |  |
Subsequent Event [Member] | 364-Day Revolving Credit Facility [Member] | Credit Facilities [Member] | Minimum [Member] | Base Rate [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.15% |  |  |
Subsequent Event [Member] | 364-Day Revolving Credit Facility [Member] | Credit Facilities [Member] | Minimum [Member] | Eurodollar Rate [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.15% |  |  |
Subsequent Event [Member] | 364-Day Revolving Credit Facility [Member] | Credit Facilities [Member] | Maximum [Member] | Base Rate [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.70% |  |  |
Subsequent Event [Member] | 364-Day Revolving Credit Facility [Member] | Credit Facilities [Member] | Maximum [Member] | Eurodollar Rate [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.70% |  |  |
Senior Notes [Member] | Subsequent Event [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from issuance of senior long-term debt |  | $ 1,499,000,000 |  |  |  |
Senior Notes [Member] | Senior Notes Due April 1, 2029 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Face amount of long-term debt issuance |  |  |  |  | $ 1,000,000,000.0 |
Stated rate on debt instrument (percent) |  |  |  |  | 4.00% |
Proceeds from issuance of senior long-term debt |  |  |  |  | $ 992,000,000 |
Senior Notes [Member] | Senior Notes Due February 1, 2020 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated rate on debt instrument (percent) |  |  |  |  | 6.125% |
Early repayment of senior debt |  |  |  |  | $ 871,000,000 |
Debt instrument, redemption price, percentage of principal amount redeemed (percent) |  |  |  |  | 102.48% |
Early redemption fee |  |  |  |  | $ 21,000,000 |
Senior Notes [Member] | VLP Senior Notes Due December 15, 2026 [Member] | Valero Energy Partners LP [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated rate on debt instrument (percent) |  |  |  | 4.375% |  |
Senior Notes [Member] | VLP Senior Notes Due March 15, 2028 [Member] | Valero Energy Partners LP [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated rate on debt instrument (percent) |  |  |  | 4.50% |  |
Senior Notes [Member] | Senior Notes Due April 15, 2023 [Member] | Subsequent Event [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Face amount of long-term debt issuance |  | $ 850,000,000 |  |  |  |
Stated rate on debt instrument (percent) |  | 2.70% |  |  |  |
Senior Notes [Member] | Senior Notes Due April 15, 2025 [Member] | Subsequent Event [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Face amount of long-term debt issuance |  | $ 650,000,000 |  |  |  |
Stated rate on debt instrument (percent) |  | 2.85% |  |  |  |
Credit Facilities [Member] | Central Mexico Terminals [Member] | IEnova Revolver [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Variable interest rate (percent) |  |  |  | 5.595% |  | 5.749%
Repayments on lines of credit |  |  |  | $ 0 | 0 |
Amount borrowed on lines of credit |  |  |  | 70,000,000 | $ 23,000,000 |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 510,000,000 |  |

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