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Represents the aggregate value of shares reacquired through the net settlement of options during the period to cover the strike price and the holders' income tax obligation on vested shares.

No definition available.

Name:	amp_StockReacquiredThroughNetSettlementOfOptionsAggregateValue
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Data Type:	xbrli:monetaryItemType
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Represents the number of shares reacquired through the net settlement of options during the period to cover the strike price and the holders income tax obligation on vested shares.

No definition available.

Name:	amp_StockReacquiredThroughNetSettlementOfOptionsNumber
Namespace Prefix:	amp_
Data Type:	xbrli:sharesItemType
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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

No definition available.

Name:	us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
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Data Type:	xbrli:monetaryItemType
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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_EquityClassOfTreasuryStockLineItems
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Data Type:	xbrli:stringItemType
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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

No definition available.

Name:	us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
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Amount of stock repurchase plan authorized.

No definition available.

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount remaining of a stock repurchase plan authorized.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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