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Memorandum items - Additional information (Details) £ in Millions, $ in Millions, $ in Millions | 1 Months Ended | 6 Months Ended | 12 Months Ended | 36 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2021 action item | Dec. 31, 2020 GBP (£) | Oct. 31, 2020 GBP (£) | May 31, 2019 AUD ($) | Jan. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2022 GBP (£) action item | Dec. 31, 2022 USD ($) action item | Dec. 31, 2021 GBP (£) | Dec. 31, 2020 GBP (£) | Dec. 31, 2018 GBP (£) | Dec. 31, 2015 USD ($) company | Dec. 31, 2009 | Dec. 31, 2011 USD ($)
Trustee and other fiduciary activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fee income | £ |  |  |  |  |  |  | £ 266 |  | £ 280 | £ 245 |  |  |  |
US investigations relating to fixed-income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period during which entity is suspected of fraudulent trading |  |  |  |  |  |  |  |  |  |  | 3 months |  |  |
Number of wire fraud | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of securities frauds | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of years probation | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
FDIC | Litigation and regulatory matters |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Financial Services Compensation Scheme |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of banks for which claims have been dropped |  |  |  |  |  |  | 20 | 20 |  |  |  |  |  |
Number of remaining claimant banks |  |  |  |  |  |  | 19 | 19 |  |  |  |  |  |
Other IBOR cases |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Financial Services Compensation Scheme |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of class action lawsuits |  |  |  |  | 2 |  |  |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Financial Services Compensation Scheme |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of non-class action | action |  |  |  |  |  |  | 24 | 24 |  |  |  |  |  |
JPY LIBOR and Euroyen TIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Financial Services Compensation Scheme |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of class action lawsuits |  |  |  |  |  |  | 2 | 2 |  |  |  |  |  |
FX antitrust litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement amount paid | $ |  |  |  |  |  |  |  |  |  |  |  | $ 255 |  |
Federal Court of Australia FX antitrust litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other parties subject to lawsuit or legal investigation |  |  |  | 4 |  |  |  |  |  |  |  |  |  |
Maximum total transaction value | $ |  |  |  | $ 0.5 |  |  |  |  |  |  |  |  |  |
UK Competition Appeal Tribunal |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of applications for opt-out collective proceedings |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Tel Aviv District Court FX antitrust litigations | NatWest Markets Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of pending motions |  |  |  |  |  |  | 1 | 1 |  |  |  |  |  |
Swaps antitrust litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of swap execution facilities |  |  |  |  |  |  | 3 | 3 |  |  |  |  |  |
Spoofing litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Financial Services Compensation Scheme |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of class action lawsuits | action | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
Madoff |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Financial Services Compensation Scheme |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of class action lawsuits | action |  |  |  |  |  |  | 2 | 2 |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages claimed | $ |  |  |  |  |  |  |  | $ 298 |  |  |  |  |  |
EUA trading litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of claimants | company |  |  |  |  |  |  |  |  |  |  |  | 10 |  |
Period during which entity is suspected of fraudulent trading |  |  |  |  |  |  |  |  |  |  |  |  | 7 days |
Damages quantified | £ |  |  | £ 45 |  |  |  |  |  |  |  |  |  |  |
1MDB litigation | Coutts & Co Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contested amount received and paid out | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000
Offshoring VAT assessments | HMRC |  |  |  |  |  |  |  |  |  |  |  |  |  |
FX litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claimed unpaid VAT after tax assessment | £ |  |  |  |  |  |  |  |  |  |  | £ 143 |  |  |
Payments for tax assessments | £ |  | £ 143 |  |  |  |  |  |  |  |  |  |  |  |

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