Post balance sheet events	12 Months Ended
Jun. 30, 2019
Disclosure of non-adjusting events after reporting period [abstract]
Post balance sheet events	22. Post balance sheet events Share buyback On 25 July 2019, the Board approved plans for a further return of capital up to £4.5 billion to shareholders for the three year period to 30 June 2022.

The entire disclosure for events after the reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 10
-IssueDate 2018-01-01
-Section Disclosure
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=10&date=2018-03-01&anchor=sect_Disclosure&doctype=Standard
-URIDate 2018-03-16

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