Finance income and charges - Narrative (Details) - Bs. / £	6 Months Ended
Dec. 31, 2022	Dec. 31, 2021
TURKEY
Disclosure of geographical areas [line items]
Movement in Price Index in hyperinflationary economy	15.00%
Venezuela
Disclosure of geographical areas [line items]
Movement in Price Index in hyperinflationary economy	105.00%	158.00%
Venezuelan Bolivar Soberano \| Venezuela
Disclosure of geographical areas [line items]
Closing foreign exchange rate	1,540	593

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 112
-Subparagraph c
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-URIDate 2022-03-24

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Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant