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Description of the business and summary of significant accounting policies - Intangible assets (Details)	12 Months Ended
	Dec. 31, 2018
Software
Intangible assets
Useful life of intangible assets	5 years

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

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- Definition

The useful life of definite-lived intangible assets other than goodwill.

+ References

No definition available.

+ Details

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Namespace Prefix:	vlrs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: