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

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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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Debt, Public Debt (Details) - USD ($)	1 Months Ended
Debt, Public Debt (Details) - USD ($)	Feb. 28, 2023	Jun. 30, 2022	Feb. 28, 2022
Senior Notes [Member]
Debt Purchased and Retired
Debt purchased and retired amount	$ 199,000,000		$ 1,400,000,000
Senior Notes [Member] \| 6.625% Valero Senior Notes due 2037 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	6.625%
Debt purchased and retired amount	$ 62,000,000
Senior Notes [Member] \| 3.650% Valero Senior Notes due 2051 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	3.65%
Debt purchased and retired amount	$ 26,000,000
Senior Notes [Member] \| 4.000% Valero Senior Notes due 2052 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	4.00%		4.00%
Debt purchased and retired amount	$ 45,000,000
Public Debt (Textual)
Face amount of long-term debt issuance			$ 650,000,000
Proceeds from issuance of senior long-term debt			$ 639,000,000
Senior Notes [Member] \| Various other Valero and Valero Energy Partners (VLP) Senior Notes [Member]
Debt Purchased and Retired
Debt purchased and retired amount	$ 66,000,000
Senior Notes [Member] \| 3.65% Valero Senior Notes due 2025 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)			3.65%
Debt purchased and retired amount			$ 72,000,000
Senior Notes [Member] \| 2.850% Valero Senior Notes due 2025 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)			2.85%
Debt purchased and retired amount			$ 507,000,000
Senior Notes [Member] \| 4.375% VLP Senior Notes due 2026 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)			4.375%
Debt purchased and retired amount			$ 168,000,000
Senior Notes [Member] \| 3.400% Valero Senior Notes due 2026 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)			3.40%
Debt purchased and retired amount			$ 653,000,000
Revenue Bonds [Member] \| Gulf Opportunity Zone Revenue Bonds Series 2010 due 2040 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)		4.00%
Public Debt (Textual)
Repayments of long-term debt		$ 300,000,000