Name:	amp_FixedMaturityInvestmentsRatedInternally
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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
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Data Type:	num:percentItemType
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The percentage of fixed maturity securities compared to total investments of the entity.

No definition available.

Name:	amp_FixedMaturitySecuritiesAsPercentageOfTotalInvestments
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This item represents the concentration of holdings (greater than 10% of the entity's total shareholders' equity) in issuers other than GNMA, FNMA and FHLMC mortgage backed securities as of the balance sheet date, if any.

No definition available.

Name:	amp_HoldingsOfIssuerOtherThanGnmaFnmaAndFhlmcAsPercentageOfShareholdersEquityMaximum
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Data Type:	num:percentItemType
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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
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This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of debt securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-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

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-Subparagraph (b)-(g)
-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803

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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
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingAAMember
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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingBBBMember
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Name:	us-gaap_ExternalCreditRatingByGroupingAxis=amp_CreditRatingBelowInvestmentGradeMember
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Data Type:	na
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Name:	us-gaap_InvestmentTypeAxis=amp_CLOMember
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