Financial instruments - classification - Reverse repos and repos (Details) - GBP (£) £ in Millions	Dec. 31, 2022	Dec. 31, 2021
Bank deposits
Financial instruments
Repos	£ 1,446	£ 7,912
Customer deposits
Financial instruments
Repos	9,829	14,541
Trading liabilities
Financial instruments
Repos	23,740	19,389
Trading assets
Financial instruments
Reverse repos	21,537	20,742
Loans to banks - amortised cost
Financial instruments
Reverse repos	277	189
Loans to customers - amortised cost
Financial instruments
Reverse repos	£ 19,750	£ 25,962

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- Definition

The amount of instruments sold with the intent to reacquire in repurchase agreements and cash collateral on securities lent.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of instruments purchased for resale in reverse repurchase agreements and cash collateral on securities borrowed. [Refer: Repurchase agreements and cash collateral on securities lent]

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