DESCRIPTION OF THE PLAN (Details) - EBP 010 [Member]	12 Months Ended
Dec. 31, 2025 USD ($) year	Dec. 31, 2024 USD ($)
EBP, Description of the Plan [Line Items]
Requisite service period	6 months
Participant contribution, pre-tax contribution, percent of eligible compensation, minimum	1.00%
Participant contribution, pre-tax contribution, percent of eligible compensation, maximum	50.00%
Participant contribution, after-tax contribution, percent of eligible compensation, maximum	5.00%
Participant contribution, percent of eligible compensation, maximum	50.00%
Rollover contributions	$ 169,023	$ 315,025
Employer contribution, matching percentage	200.00%
Employer contribution, percentage of participant compensation matched	3.00%
Participant contribution, vesting percentage	100.00%
Employer contribution, annual vesting percentage	20.00%
Employer contribution, vesting percentage	100.00%
Employer contribution, vesting service period	5 years
Retirement age \| year	60
Forfeited nonvested account, decrease from employer contribution	$ 84,000	120,000
Forfeited nonvested account	$ 137,296	$ 62,998
Participant and employer contribution, investment direction percentage	100.00%
After-tax contribution account withdrawal, percentage	100.00%
Rollover or Roth rollover account withdrawal, percentage	100.00%
Pre-tax contribution or designated roth contribution account withdrawal, percentage	100.00%
Vested matching contribution account withdrawal, percentage	100.00%
Involuntary cash-out limit	$ 1,000
Maximum borrowing amount	$ 50,000
Maximum borrowing, highest outstanding balance period	1 year
Maximum borrowing to total account, percentage	50.00%
General loan, maximum borrowing term	5 years
Primary residence, maximum borrowing term	15 years
Basis spread on variable rate	1.00%
Valero Common Stock [Member]
EBP, Description of the Plan [Line Items]
Participant and employer contribution, investment direction percentage	20.00%
Participant and employer contribution, investment, percent of aggregate value in Valero common stock, threshold	50.00%
Port Arthur Refinery [Member]
EBP, Description of the Plan [Line Items]
Employer contribution, matching percentage	100.00%
Port Arthur Refinery [Member] \| Minimum [Member]
EBP, Description of the Plan [Line Items]
Employer contribution, percentage of participant compensation matched	3.00%
Port Arthur Refinery [Member] \| Maximum [Member]
EBP, Description of the Plan [Line Items]
Employer contribution, percentage of participant compensation matched	6.00%

Amount of increase in net asset available for benefit from contribution transferred from another qualified plan or from individual retirement account of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes contribution for participant transmitted by employer of participant in EBP.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 7
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477063/962-205-45-7

Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 50
-Paragraph 2B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477783/962-325-50-2B

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-04(4)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-04(4)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 6: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule III))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1