Name:	amp_FixedMaturityInvestmentsRatedInternally
Namespace Prefix:	amp_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Represents the percentage of the total fair value of fixed maturity investments by credit rating classification as of the balance sheet date.

No definition available.

Name:	amp_FixedMaturityPercentageOfFairValueByCreditRatingClassification
Namespace Prefix:	amp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents mortgage backed securities issued by government sponsored enterprises expressed as a percentage of AAA rated securities as of the balance sheet date.

No definition available.

Name:	amp_MortgageBackedSecuritiesIssuedByGovernmentSponsoredEnterprisesAsPercentageOfAAARatedSecurities
Namespace Prefix:	amp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the number of investment holdings in issuers other than government sponsored enterprises as of the balance sheet date.

No definition available.

Name:	amp_NumberInvestmentHoldingsOfIssuerOtherThanGovernmentSponsoredEnterprisesAsPercentageOfShareholdersEquity
Namespace Prefix:	amp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecurities
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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.

No definition available.

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	srt_ConsolidatedEntitiesAxis=srt_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
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Data Type:	na
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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingAAAMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingAAMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingAMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingBBBMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingBelowInvestmentGradeMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_FinancialInstrumentAxis=us-gaap_FixedMaturitiesMember
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