Dividends (Details) £ / shares in Units, £ in Millions	6 Months Ended
Jun. 30, 2022 GBP (£) £ / shares
Interim dividend [Member]
Dividends
Dividend announced or proposed \| £	£ 364
Dividend announced or proposed, per share \| £ / shares	£ 0.035
Special dividend [Member]
Dividends
Dividend announced or proposed \| £	£ 1,750
Dividend announced or proposed, per share \| £ / shares	£ 0.168

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
-Name IAS
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-IssueDate 2021-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2021-01-01
-Paragraph 13
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-URIDate 2021-03-24

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- Definition

The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners.

+ References

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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