Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

No definition available.

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

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Period Type:	duration

- Definition

Amount of consideration transferred related to working capital in connection with an acquisition of assets.

+ References

No definition available.

+ Details

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- Definition

Number of ethanol plants acquired in connection with an acquisition of assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	vlo_
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- Definition

Combined capacity of ethanol (gallons per year) in connection with an acquisition of assets (ethanol plants).

+ References

No definition available.

+ Details

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Namespace Prefix:	vlo_
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- Definition

Aggregate transaction value of cash consideration expected to be transferred related to business combination-plan of merger.

+ References

No definition available.

+ Details

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- Definition

Subsequent Events, Textual [Abstract]

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Subsequent Events (Details) $ / shares in Units, gal in Millions, $ in Millions		3 Months Ended	9 Months Ended
	Oct. 18, 2018 USD ($) $ / shares	Dec. 31, 2018 USD ($) plant gal	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)
Subsequent Events (Textual)
Acquisition agreement, total cash consideration			$ 1,168	$ 913
VLP [Member] \| Subsequent Event [Member]
Subsequent Events (Textual)
Merger Transaction, price per common unit (in dollars per unit) \| $ / shares	$ 42.25
Merger Transaction, aggregate transaction value	$ 950
Ethanol Plants [Member] \| Expected [Member]
Subsequent Events (Textual)
Acquisition agreement, number of ethanol plants \| plant		3
Acquisition agreement, total cash consideration		$ 300
Acquisition agreement, working capital		$ 28
Acquisition agreement, combined ethanol production capacity per year \| gal		280