Dividends (Details) £ / shares in Units, £ in Millions	6 Months Ended
Jun. 30, 2026 GBP (£) £ / shares
Dividends
Dividend announced or proposed \| £	£ 955
Dividend announced or proposed, per share \| £ / shares	£ 0.12

The amount of dividends proposed or declared after the reporting period but before financial statements are authorised for issue. Such dividends are not recognised as a liability at the end of the reporting period because no obligation exists at that time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration