XML 255 R5.htm IDEA: XBRL DOCUMENT v2.4.1.9
Consolidated statements of changes in equity (CHF)
In Millions, unless otherwise specified
Total
Total shareholders' equity
Common shares
Additional paid-in capital
Retained earnings
Treasury shares, at cost
Accumulated other comprehensive income
Noncontrolling interests
Bank
Bank
Total shareholders' equity
Bank
Common shares and participation certificates
Bank
Additional paid-in capital
Bank
Retained earnings
Bank
Treasury shares, at cost
Bank
Accumulated other comprehensive income
Bank
Noncontrolling interests
Balance at Dec. 31, 2011 41,085us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 33,674us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
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49us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
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= us-gaap_CommonStockMember
21,796us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
27,053us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(90)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(15,134)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
7,411us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
39,334us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
30,386us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
4,400us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= cs_CommonSharesAndParticipationCertificatesMember
24,813us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
12,328us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(11,155)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
8,948us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Increase (decrease) in shareholders' equity                                
Purchase of subsidiary shares from noncontrolling interests, changing ownership 40cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership 44cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  44cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      (4)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
162cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
252cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  252cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      (90)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Purchase of subsidiary shares from noncontrolling interests, not changing ownership (809)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership             (809)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(875)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            (875)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Sale of subsidiary shares to noncontrolling interests, not changing ownership 116cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership             116cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
240cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            240cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Net income/(loss) 1,696cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest 1,349cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    1,349cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    347cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
1,385cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
1,041cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    1,041cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    344cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Total other comprehensive income/(loss), net of tax (894)us-gaap_OtherComprehensiveIncomeLossNetOfTax (769)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
        (769)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(125)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(1,230)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(992)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
        (992)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(238)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Issuance of common shares 1,930us-gaap_StockIssuedDuringPeriodValueNewIssues 1,930us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
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4us-gaap_StockIssuedDuringPeriodValueNewIssues
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1,926us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Sale of treasury shares 8,355us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued 8,355us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
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  (3)us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
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  8,358us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
                   
Repurchase of treasury shares (8,859)us-gaap_TreasuryStockValueAcquiredCostMethod (8,859)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
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      (8,859)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
                   
Share-based compensation, net of tax 1,064us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation 1,064us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  932us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  132us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
    889us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
889us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  889us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Financial instruments indexed to own shares (9)cs_FinancialInstrumentsIndexedToOwnShares (9)cs_FinancialInstrumentsIndexedToOwnShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (9)cs_FinancialInstrumentsIndexedToOwnShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Dividends on share-based compensation, net of tax                 (50)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(50)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (50)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Dividends paid (1,296)us-gaap_DividendsCommonStock (1,242)us-gaap_DividendsCommonStock
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= us-gaap_ParentMember
    (231)us-gaap_DividendsCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
      (321)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(267)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    (267)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
     
Dividends paid out of reserves from capital contributions       (1,011)cs_DividendsCommonStockPaidOutOfReservesFromCapitalContributions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Cash dividends paid to noncontrolling interest holders               (54)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
              (54)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Changes in redeemable noncontrolling interests, decrease (7)us-gaap_MinorityInterestDecreaseFromRedemptions (7)us-gaap_MinorityInterestDecreaseFromRedemptions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (7)us-gaap_MinorityInterestDecreaseFromRedemptions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
        (7)us-gaap_MinorityInterestDecreaseFromRedemptions
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(7)us-gaap_MinorityInterestDecreaseFromRedemptions
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (7)us-gaap_MinorityInterestDecreaseFromRedemptions
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Change in scope of consolidation, net (96)cs_ChangeInScopeOfConsolidation             (96)cs_ChangeInScopeOfConsolidation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(96)cs_ChangeInScopeOfConsolidation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            (96)cs_ChangeInScopeOfConsolidation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Other (32)us-gaap_StockholdersEquityOther (32)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (32)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
        3,452us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
3,452us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  3,468us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(16)us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
     
Balance at Dec. 31, 2012 42,284us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 35,498us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
53us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
23,636us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
28,171us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(459)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(15,903)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
6,786us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
42,883us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
34,704us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
4,400us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= cs_CommonSharesAndParticipationCertificatesMember
29,365us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
13,086us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(12,147)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
8,179us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Increase (decrease) in shareholders' equity                                
Purchase of subsidiary shares from noncontrolling interests, changing ownership (22)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership             (22)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(22)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            (22)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Purchase of subsidiary shares from noncontrolling interests, not changing ownership (2,251)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership 216cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  216cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      (2,467)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(5,060)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            (5,060)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Sale of subsidiary shares to noncontrolling interests, not changing ownership 438cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership             438cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
693cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            693cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Net income/(loss) 2,977cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest 2,326cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    2,326cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    651cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
2,642cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
1,960cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    1,960cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    682cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Total other comprehensive income/(loss), net of tax (86)us-gaap_OtherComprehensiveIncomeLossNetOfTax 28us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
        28us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(114)us-gaap_OtherComprehensiveIncomeLossNetOfTax
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= us-gaap_NoncontrollingInterestMember
(2,293)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(2,258)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
        (2,258)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(35)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Cancellation of repurchased shares                 (445)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(445)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (445)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Issuance of common shares 4,233us-gaap_StockIssuedDuringPeriodValueNewIssues 4,233us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
11us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
4,222us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Sale of treasury shares 10,310us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued 10,310us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (50)us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  10,360us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
                   
Repurchase of treasury shares (10,202)us-gaap_TreasuryStockValueAcquiredCostMethod (10,202)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
      (10,202)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
                   
Share-based compensation, net of tax 375us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation 375us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  213us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  162us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
    196us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
196us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  196us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Financial instruments indexed to own shares (93)cs_FinancialInstrumentsIndexedToOwnShares (93)cs_FinancialInstrumentsIndexedToOwnShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (93)cs_FinancialInstrumentsIndexedToOwnShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Dividends on share-based compensation, net of tax                 (87)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(87)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (87)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Dividends paid (564)us-gaap_DividendsCommonStock (505)us-gaap_DividendsCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    (236)us-gaap_DividendsCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
      (483)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(424)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    (424)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
     
Dividends paid out of reserves from capital contributions       (269)cs_DividendsCommonStockPaidOutOfReservesFromCapitalContributions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Cash dividends paid to noncontrolling interest holders               (59)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
              (59)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Changes in redeemable noncontrolling interests, decrease (13)us-gaap_MinorityInterestDecreaseFromRedemptions (13)us-gaap_MinorityInterestDecreaseFromRedemptions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (13)us-gaap_MinorityInterestDecreaseFromRedemptions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
        (13)us-gaap_MinorityInterestDecreaseFromRedemptions
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(13)us-gaap_MinorityInterestDecreaseFromRedemptions
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (13)us-gaap_MinorityInterestDecreaseFromRedemptions
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Change in scope of consolidation, net (211)cs_ChangeInScopeOfConsolidation             (211)cs_ChangeInScopeOfConsolidation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(211)cs_ChangeInScopeOfConsolidation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            (211)cs_ChangeInScopeOfConsolidation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Other (9)us-gaap_StockholdersEquityOther (9)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (9)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
        5,832us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
5,834us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  5,835us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(1)us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    (2)us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Balance at Dec. 31, 2013 47,166us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 42,164us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
64us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
27,853us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
30,261us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(139)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(15,875)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
5,002us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
43,632us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
39,467us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
4,400us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= cs_CommonSharesAndParticipationCertificatesMember
34,851us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
14,621us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
[1] (14,405)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
4,165us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Increase (decrease) in shareholders' equity                                
Purchase of subsidiary shares from noncontrolling interests, changing ownership                 26cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
26cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  26cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Purchase of subsidiary shares from noncontrolling interests, not changing ownership [2],[3] (1,905)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership 238cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  238cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      (2,143)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(578)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            (578)cs_PurchaseOfSubsidiarySharesFromNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Sale of subsidiary shares to noncontrolling interests, not changing ownership [3] 39cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership             39cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
40cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            40cs_SaleOfSubsidiarySharesToNoncontrollingInterestsNotChangingOwnership
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Net income/(loss) 2,324cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest 1,875cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    1,875cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    449cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
1,764cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
1,319cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    1,319cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    445cs_ProfitLossNetOfIncomeAttributableToRedeemableNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Total other comprehensive income/(loss), net of tax 963us-gaap_OtherComprehensiveIncomeLossNetOfTax 872us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
        872us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
91us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
2,350us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
2,181us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
        2,181us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
169us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Issuance of common shares 297us-gaap_StockIssuedDuringPeriodValueNewIssues 297us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  297us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Sale of treasury shares 9,394us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued 9,394us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (15)us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  9,409us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
                   
Repurchase of treasury shares (10,197)us-gaap_TreasuryStockValueAcquiredCostMethod (10,197)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
      (10,197)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
                   
Share-based compensation, net of tax 630us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation 630us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (105)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
[4]   735us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
    (61)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(61)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (61)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
[5]        
Financial instruments indexed to own shares [6] (80)cs_FinancialInstrumentsIndexedToOwnShares (80)cs_FinancialInstrumentsIndexedToOwnShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (80)cs_FinancialInstrumentsIndexedToOwnShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Dividends on share-based compensation, net of tax                 (44)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(44)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (44)us-gaap_DividendsShareBasedCompensation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Dividends paid (1,252)us-gaap_DividendsCommonStock (1,230)us-gaap_DividendsCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    (53)us-gaap_DividendsCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
      (84)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
(63)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
    (63)us-gaap_DividendsCommonStock
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
     
Dividends paid out of reserves from capital contributions [7]       (1,177)cs_DividendsCommonStockPaidOutOfReservesFromCapitalContributions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
                       
Cash dividends paid to noncontrolling interest holders               (22)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
              (21)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Changes in redeemable noncontrolling interests, increase 2cs_NoncontrollingInterestIncreaseFromRedemptionsOrPurchaseOfInterests 2cs_NoncontrollingInterestIncreaseFromRedemptionsOrPurchaseOfInterests
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  2cs_NoncontrollingInterestIncreaseFromRedemptionsOrPurchaseOfInterests
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
        2cs_NoncontrollingInterestIncreaseFromRedemptionsOrPurchaseOfInterests
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
2cs_NoncontrollingInterestIncreaseFromRedemptionsOrPurchaseOfInterests
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  2cs_NoncontrollingInterestIncreaseFromRedemptionsOrPurchaseOfInterests
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Change in scope of consolidation, net (2,378)cs_ChangeInScopeOfConsolidation             (2,378)cs_ChangeInScopeOfConsolidation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(2,477)cs_ChangeInScopeOfConsolidation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
            (2,477)cs_ChangeInScopeOfConsolidation
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Other (2)us-gaap_StockholdersEquityOther (6)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  (6)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      4us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
71us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
68us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
  68us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      3us-gaap_StockholdersEquityOther
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Balance at Dec. 31, 2014 45,001us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 43,959us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
64us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
27,007us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
32,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(192)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(15,003)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
1,042us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
44,641us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
42,895us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
4,400us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= cs_CommonSharesAndParticipationCertificatesMember
34,842us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
15,877us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
[1] (12,224)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
1,746us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= cs_ConsolidatedBankMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
[1] Reflects Credit Suisse Group shares which are reported as treasury shares. Those shares are held to economically hedge share award obligations.
[2] Distributions to owners in funds include the return of original capital invested and any related dividends.
[3] Transactions with and without ownership changes related to fund activity are all displayed under "not changing ownership".
[4] Includes a net tax charge of CHF (70) million from the excess recognized compensation expense over fair value of shares delivered.
[5] Includes a net tax charge of CHF (69) million from the excess recognized compensation expense over fair value of shares delivered.
[6] The Group had purchased certain call options on its own shares to economically hedge share-based compensation awards. In accordance with US GAAP, these call options were designated as equity instruments and, as such, were initially recognized in shareholders' equity at their fair values and not subsequently remeasured.
[7] Paid out of reserves from capital contributions.