Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Debt, Public Debt (Details) - USD ($)					1 Months Ended
Debt, Public Debt (Details) - USD ($)	Sep. 15, 2026	Jul. 01, 2026	Apr. 15, 2025	Mar. 15, 2025	Mar. 31, 2026	Feb. 28, 2025
Senior Notes [Member] \| 5.150% Valero Senior Notes Due 2036 [Member]
Public Debt (Textual)
Face amount of long-term debt issuance					$ 850,000,000
Interest rate of notes (percent)					5.15%
Proceeds from issuance of senior long-term debt					$ 850,000,000
Senior Notes [Member] \| 3.400% Valero Senior Notes Due 2026 [Member]
Public Debt (Textual)
Interest rate of notes (percent)	3.40%
Repayments of senior debt	$ 426,000,000
Senior Notes [Member] \| 5.150% Valero Senior Notes Due 2030 [Member]
Public Debt (Textual)
Face amount of long-term debt issuance						$ 650,000,000
Interest rate of notes (percent)						5.15%
Proceeds from issuance of senior long-term debt						$ 649,000,000
Senior Notes [Member] \| 3.65% Valero Senior Notes Due 2025 [Member]
Public Debt (Textual)
Interest rate of notes (percent)				3.65%
Repayments of senior debt				$ 189,000,000
Senior Notes [Member] \| 2.850% Valero Senior Notes Due 2025 [Member]
Public Debt (Textual)
Interest rate of notes (percent)			2.85%
Repayments of senior debt			$ 251,000,000
Unsecured Debt [Member] \| Debenture, 7.65% Due 2026 [Member]
Public Debt (Textual)
Interest rate of notes (percent)		7.65%
Repayments of unsecured debt		$ 100,000,000