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Litigation (Details) $ in Thousands, € in Millions, £ in Millions, SFr in Millions | 6 Months Ended
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Jun. 30, 2023 CHF (SFr) | Jun. 30, 2023 USD ($) | Jun. 30, 2023 EUR (€) | Jun. 30, 2023 GBP (£)
Pending Litigation |  |  |  |
Litigation disclosures |  |  |  |
Net litigation provisions recorded | SFr | SFr 1,480 |  |  |
Pending Litigation | Minimum |  |  |  |
Litigation provisions |  |  |  |
Range of possible losses that are not covered by existing provisions | SFr | 0 |  |  |
Pending Litigation | Maximum |  |  |  |
Litigation provisions |  |  |  |
Range of possible losses that are not covered by existing provisions | SFr | SFr 2,700 |  |  |
Mozambique matter | United States Department of Justice (DOJ) | Penalty, basic [Member] |  |  |  |
Litigation disclosures |  |  |  |
of which fines |  | $ 175,500 |  |
Mozambique matter | United States Department of Justice (DOJ) | Penalty, disgorgement [Member] |  |  |  |
Litigation disclosures |  |  |  |
of which fines |  | 34,000 |  |
Mozambique matter | United States Department of Justice (DOJ) | Penalty, pre-judgment interest [Member] |  |  |  |
Litigation disclosures |  |  |  |
of which fines |  | 65,000 |  |
Mozambique matter | United States Department of Justice (DOJ) | Minimum | Penalty, basic [Member] |  |  |  |
Litigation disclosures |  |  |  |
Loss contingency, damages paid, value |  | 175,600 |  |
Mozambique matter | US District Court for the Eastern District of New York (EDNY) | Penalty, final [Member] |  |  |  |
Litigation disclosures |  |  |  |
of which restitution |  | 22,600 |  |
Mozambique matter | US Department of Justice (DOJ) and Securities and Exchange Commission (SEC) |  |  |  |
Litigation disclosures |  |  |  |
of which fines |  | $ 275,000 |  |
Credit Suisse Securities (USA) LLC | Mortgage-related matters - Government and regulatory related | United States Department of Justice (DOJ) |  |  |  |
Litigation disclosures |  |  |  |
Litigation, Increase of Consumer Relief per Annum | 5.00% | 5.00% | 5.00% | 5.00%
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Mortgage Trust Series 2006-5 | New York state court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | $ 500,000 |  |
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Mortgage Trust Series 2006-1, 2006-3 and 2006-4 | New York state court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 730,000 |  |
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Loan Trust Series 2006-HE7 | New York state court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 374,000 |  |
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Asset Trust Series 2006-8 | New York state court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 436,000 |  |
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Asset Trust Series 2007-1 | New York state court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 420,000 |  |
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Asset Trust Series 2007-2 | New York state court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 495,000 |  |
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Asset Trust Series 2007-3 | Minnesota state court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 206,000 |  |
DLJ Mortgage Capital, Inc. | Mortgage-related matters - Repurchase litigations | Home Equity Mortgage Trust Series 2006-1, 2006-3, 2006-4 and 2006-5 | New York state court |  |  |  |
Litigation disclosures |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  | 500,000 |  |
Credit Suisse AG | Customer acount matters, against former relationship manager | Geneva Prosecutor's Office |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 130,000 |  |
Credit Suisse AG | Litigation Bulgarian former clients matter | Swiss Federal Criminal Court |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages | SFr | SFr 19 |  |  |
of which fines | SFr | 2 |  |  |
Seized client assets | SFr | SFr 12 |  |  |
Credit Suisse AG and certain affiliates | Mortgage-related matters | Litigation, Plaintiff, Loreley | English Court | Minimum |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 100,000 |  |
Credit Suisse Group AG, Credit Suisse AG, Credit Suisse Securities (Europe) Limited | Rates Related Matters - regulatory matters - foreign exchange trading business | European Commission |  |  |  |
Litigation disclosures |  |  |  |
of which fines | € |  |  | € 83.3 |
Credit Suisse Group AG, Credit Suisse Securities (Europe) Limited | Rates Related Matters - regulatory matters - SSA bonds trading business | European Commission |  |  |  |
Litigation disclosures |  |  |  |
of which fines | € |  |  | € 11.9 |
CSSEL, CSI, Credit Suisse AG, London Branch | Mozambique matter | UK Financial Services Authority |  |  |  |
Litigation disclosures |  |  |  |
Debt Relief |  | 200,000 |  |
CSSEL, CSI, Credit Suisse AG, London Branch | Mozambique matter | UK Financial Services Authority | Minimum | Penalty, basic [Member] |  |  |  |
Litigation disclosures |  |  |  |
Loss contingency, damages paid, value |  | 200,000 |  |
Credit Suisse Life Bermuda Ltd [Member] | Customer acount matters, against former relationship manager | Supreme Court of Bermuda |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | $ 607,350 |  |
Bermuda Statutory Rate Of Interest | 3.50% | 3.50% | 3.50% | 3.50%
UBS Group, Credit Suisse AG, Credit Suisse Holdings (USA) and Credit Suisse AG, New York Branch | Archegos Capital Management | Board of Governors of the Federal Reserve System (Fed) | Penalty, final [Member] |  |  |  |
Litigation disclosures |  |  |  |
of which fines |  | $ 269,000 |  |
Credit Suisse Trust Limited, a Credit Suisse AG affiliate | Customer acount matters, against former relationship manager | Signapore International Commercial Court |  |  |  |
Litigation disclosures |  |  |  |
Estimated damages |  | 742,730 |  |
Credit Suisse Securities LLC and certain of its affiliates | Bank loan litigation | Highland Capital Management LP | Texas State Court | Original [Member] |  |  |  |
Litigation disclosures |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  | 287,000 |  |
Credit Suisse Securities LLC and certain of its affiliates | Bank loan litigation | Highland Capital Management LP | Texas State Court | Revised [Member] |  |  |  |
Litigation disclosures |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  | 121,000 |  |
Credit Suisse Securities LLC and certain of its affiliates | Bank loan litigation | Highland Capital Management LP | Texas supreme court | Reversed [Member] |  |  |  |
Litigation disclosures |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  | $ 212,000 |  |
Credit Suisse International and Credit Suisse Securities (Europe) Limited | Archegos Capital Management | Prudential Regulation Authority (PRA) | Penalty, final [Member] |  |  |  |
Litigation disclosures |  |  |  |
of which fines | £ |  |  |  | £ 87

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