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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 ($)	1 Months Ended				9 Months Ended
Debt, Public Debt (Details) - USD ($)	Sep. 30, 2022	Jun. 30, 2022	Feb. 28, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Public Debt (Textual)
Gain (loss) on early retirement of debt					$ (24,000,000)	$ 0
Premiums paid					$ 48,000,000	$ 0
Senior Notes [Member]
Debt Purchased and Retired
Debt purchased and retired amount	$ 1,250,000,000		$ 1,400,000,000
Public Debt (Textual)
Gain (loss) on early retirement of debt	26,000,000		(50,000,000)
Discount on debt repayments	$ 36,000,000
Premiums paid			$ 48,000,000
Senior Notes [Member] \| 3.65% Valero Senior Notes Due in 2025 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	3.65%		3.65%		3.65%
Debt purchased and retired amount	$ 48,000,000		$ 72,000,000
Senior Notes [Member] \| 2.850% Valero Senior Notes Due in 2025 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	2.85%		2.85%		2.85%
Debt purchased and retired amount	$ 291,000,000		$ 507,000,000
Senior Notes [Member] \| 4.375% VLP Senior Notes Due in 2026 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	4.375%		4.375%		4.375%
Debt purchased and retired amount	$ 62,000,000		$ 168,000,000
Senior Notes [Member] \| 3.400% Valero Senior Notes Due in 2026 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	3.40%		3.40%		3.40%
Debt purchased and retired amount	$ 166,000,000		$ 653,000,000
Senior Notes [Member] \| 4.350% Valero Senior Notes Due in 2028 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	4.35%				4.35%
Debt purchased and retired amount	$ 131,000,000
Senior Notes [Member] \| 4.000% Valero Senior Notes Due in 2029 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)	4.00%				4.00%
Debt purchased and retired amount	$ 552,000,000
Senior Notes [Member] \| 4.000% Valero Senior Notes Due June 1, 2052 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)			4.00%
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] \| Floating Rate Senior Notes Due September 15, 2023 [Member]
Debt Purchased and Retired
Debt purchased and retired amount				$ 575,000,000
Bonds [Member] \| Gulf Opportunity Zone Revenue Bonds Series 2010 Due in 2040 [Member]
Debt Purchased and Retired
Interest rate of notes (percent)		4.00%
Public Debt (Textual)
Repayments of long-term debt		$ 300,000,000