Name:	amp_DefinedBenefitPlanEmployerContributionsVestingPeriod
Namespace Prefix:	amp_
Data Type:	xbrli:durationItemType
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Period Type:	duration

Represents the minimum fixed rate of interest credited to defined benefit plan participant account balances.

No definition available.

Name:	amp_DefinedBenefitPlanMinimumParticipantAccountBalanceInterestCreditingRate
Namespace Prefix:	amp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Maturity period on U.S. Treasury Note, the average daily yield of which is used as a basis for the fixed rate of interest credited to account balances of participants in the defined benefit plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	amp_DefinedBenefitPlanParticipantAccountBalanceInterestCreditingUnitedStatesTreasuryNoteMaturityPeriod
Namespace Prefix:	amp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of eligible compensation that is credited each pay period to participant account balances pursuant to the provisions of the defined benefit plan.

No definition available.

Name:	amp_DefinedBenefitPlanPercentageOfEligibleCompensation
Namespace Prefix:	amp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RetirementPlanNameAxis=amp_AmeripriseFinancialRetirementPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: