XML 85 R74.htm IDEA: XBRL DOCUMENT
v3.23.3

Other investments (Details) - CHF (SFr) SFr in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Other investments |  |  |
Other investments | SFr 4,667 |  | SFr 5,463
Accumulated depreciation, real estate held for investment | 25 |  | 24
Impairment charges | 0 | SFr 0 |
Foreclosed or Repossessed, Real Estate [Member] |  |  |
Other investments |  |  |
Other investments | 21 |  | 20
Equity method investments |  |  |
Other investments |  |  |
Other investments | 2,151 |  | 1,618
Equity securities (without a readily determinable fair value) |  |  |
Other investments |  |  |
Other investments | 1,959 |  | 3,212
of which at net asset value |  |  |
Other investments |  |  |
Other investments | 112 |  | 72
of which at measurement alternative |  |  |
Other investments |  |  |
Other investments | 375 |  | 366
of which at fair value |  |  |
Other investments |  |  |
Other investments | 1,430 |  | 2,727
of which at cost less impairment |  |  |
Other investments |  |  |
Other investments | 42 |  | 47
Real estate held for investment |  |  |
Other investments |  |  |
Other investments | 47 |  | 46
Real estate held for investment | Foreclosed or Repossessed, Real Estate [Member] |  |  |
Other investments |  |  |
Other investments | 21 |  | 20
Life finance instruments |  |  |
Other investments |  |  |
Other investments | SFr 510 |  | SFr 587

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. This element represents information relating to other investments. + References No definition available. + Details
Name: | cs_InvestmentOtherLineItems
Namespace Prefix: | cs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
Name: | us-gaap_ImpairmentOfRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of investments classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f,g)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
Name: | us-gaap_OtherInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column F)) -URI https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
Name: | us-gaap_RealEstateAccumulatedDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | cs_RealEstateHeldForInvestmentTypeAxis=cs_ForeclosedOrRepossessedRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=us-gaap_EquityMethodInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=cs_EquitySecuritiesWithoutAReadilyDeterminableFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=cs_EquitySecuritiesNetAssetValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=cs_EquitySecuritiesMeasurementAlternativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=cs_EquitySecuritiesFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=cs_EquitySecuritiesCostLessImpairmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=cs_RealEstateHeldForInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cs_FundsInOtherInvestmentsCategoriesAxis=us-gaap_LifeAndAnnuityInsuranceProductLineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |