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Investments (Rating info) (Details 4) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Investments    
Number of holdings other than GNMA, FNMA, and FHLMC having greater than 10% of total equity 0amp_NumberInvestmentHoldingsOfIssuerOtherThanGovernmentSponsoredEnterprisesAsPercentageOfShareholdersEquity  
Holdings of Issuer Other than GNMA, FNMA and FHLMC as Percentage of Shareholders Equity Maximum 10.00%amp_HoldingsOfIssuerOtherThanGnmaFnmaAndFhlmcAsPercentageOfShareholdersEquityMaximum  
Ameriprise Financial [Member]    
Investments    
Fixed maturity securities as percentage of the entity's total investments 84.00%amp_FixedMaturitySecuritiesAsPercentageOfTotalInvestments
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 85.00%amp_FixedMaturitySecuritiesAsPercentageOfTotalInvestments
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Amount of securities internally rated $ 1,400,000,000amp_FixedMaturityInvestmentsRatedInternally
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 $ 1,400,000,000amp_FixedMaturityInvestmentsRatedInternally
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Percentage of GNMA, FNMA and FHLMC securities rated AAA 52.00%amp_MortgageBackedSecuritiesIssuedByGovernmentSponsoredEnterprisesAsPercentageOfAAARatedSecurities
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 45.00%amp_MortgageBackedSecuritiesIssuedByGovernmentSponsoredEnterprisesAsPercentageOfAAARatedSecurities
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Ameriprise Financial [Member] | AAA [Member]    
Investments    
Amortized cost 7,500,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 7,562,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Fair value 7,776,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 7,746,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Percent of total fair value 26.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 25.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Ameriprise Financial [Member] | AA [Member]    
Investments    
Amortized cost 1,581,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 1,587,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Fair value 1,799,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 1,707,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Percent of total fair value 6.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 6.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Ameriprise Financial [Member] | A [Member]    
Investments    
Amortized cost 6,028,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 6,381,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Fair value 6,668,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 6,738,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Percent of total fair value 22.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 22.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingAMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Ameriprise Financial [Member] | BBB [Member]    
Investments    
Amortized cost 11,187,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBBBMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 11,427,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBBBMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Fair value 12,025,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBBBMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 12,272,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBBBMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Percent of total fair value 40.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBBBMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 41.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBBBMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Ameriprise Financial [Member] | Below investment grade [Member]    
Investments    
Amortized cost 1,762,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBelowInvestmentGradeMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 1,875,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBelowInvestmentGradeMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Fair value 1,741,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBelowInvestmentGradeMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 1,829,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBelowInvestmentGradeMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Percent of total fair value 6.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBelowInvestmentGradeMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember		 6.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ us-gaap_ExternalCreditRatingByGroupingAxis
= amp_CreditRatingBelowInvestmentGradeMember
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Ameriprise Financial [Member] | Fixed Maturities [Member]    
Investments    
Amortized cost 28,058,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedMaturitiesMember		 28,832,000,000us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedMaturitiesMember
Fair value $ 30,009,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedMaturitiesMember		 $ 30,292,000,000us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedMaturitiesMember
Percent of total fair value 100.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedMaturitiesMember		 100.00%amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedMaturitiesMember