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Unaudited Condensed Consolidated Statement of Changes in Equity (Parentheticals)	5 Months Ended
	Dec. 31, 2020 shares
AJAX I [Member]
Sale of units	80,499,090

X

- Definition

Sale of units issued.

+ References

No definition available.

+ Details

Name:	czoo_SaleOfUnits
Namespace Prefix:	czoo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ConsolidatedStructuredEntitiesAxis=czoo_AJAXIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: