Post balance sheet events	12 Months Ended
Mar. 31, 2024
Disclosure of non-adjusting events after reporting period [abstract]
Post balance sheet events	36. Post balance sheet events On 22 May 2024, the Board resolved to offer a fully underwritten Rights Issue to raise gross proceeds of £7 billion.

The entire disclosure for events after the reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 10
-IssueDate 2023-01-01
-Section Disclosure
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI
-URIDate 2023-03-23

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