Name:	amp_FairValueAssumptionsElectiveContractholderStrategyAllocations
Namespace Prefix:	amp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

-- None. No documentation exists for this element. --

No definition available.

Name:	amp_FairValueInputsAssetsLiabilitiesQuantitativeInformationLineItems
Namespace Prefix:	amp_
Data Type:	xbrli:stringItemType
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Represents the expected rate of surrender on policies, used as an input to measure fair value.

No definition available.

Name:	amp_FairValueInputsSurrenderRate
Namespace Prefix:	amp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the expected rate at which policyholders will utilize the guaranteed withdrawal on policies.

No definition available.

Name:	amp_FairValueInputsUtilizationOfGuaranteedWithdrawals
Namespace Prefix:	amp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the yield or spread to treasury (i.e. the difference in yield between a U.S. Treasury security and any other fixed maturity security), used as an input to measure fair value.

No definition available.

Name:	amp_FairValueInputsYieldAndSpreadToTreasury
Namespace Prefix:	amp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Name:	us-gaap_FairValueAssumptionsExpectedVolatilityRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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Period Type:	duration

Risk that one party to the contract will default expressed as a percentage, used as an input to measure fair value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Name:	us-gaap_FairValueInputsCounterpartyCreditRisk
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Fair value of financial and nonfinancial obligations.

Name:	us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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Name:	us-gaap_FairValueByLiabilityClassAxis=amp_IndexedUniversalLifeEmbeddedDerivativesMember
Namespace Prefix:
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Name:	us-gaap_ValuationTechniqueAxis=amp_DiscountedCashFlowTechniqueMember
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Data Type:	na
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Name:	us-gaap_FairValueByLiabilityClassAxis=amp_GMWBAndGMABEmbeddedDerivativesMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
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Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
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Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
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