Customer Deposits (Details) (Ameriprise Financial, USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Ameriprise Financial
Fixed rate certificates	$ 2,083	$ 2,313
Stock market based certificates	753	790
Stock market embedded derivative reserve	10	14
Other	39	43
Less: accrued interest classified in other liabilities	(11)	(19)
Total investment certificate reserves	2,874	3,141
Brokerage deposits	2,164	2,116
Banking deposits	4,392	3,522
Total	$ 9,430	$ 8,779

The amount of interest accrued and included in the deposit total as of the balance sheet date but which is classified as part of other liabilities in the balance sheet.

Name:	amp_DepositsAccruedInterest
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total of all deposits held in bank accounts by the entity for the benefit of customers.

+ Details

Name:	amp_DepositsBanking
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total of all deposits held by brokerage accounts for the benefit of customers.

+ Details

Name:	amp_DepositsBrokerage
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

A type of deposit which pays interest at a fixed rate.

+ Details

Name:	amp_DepositsFixedRateCertificate
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total of all investment certificate deposits held by the entity.

+ Details

Name:	amp_DepositsInvestmentCertificate
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Other investment certificate deposits not separately identified.

+ Details

Name:	amp_DepositsOther
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

A type of deposit in which the certificate holder can choose to participate in a percentage increase in a stock market index or choose partial participation plus a fixed rate of interest.

+ Details

Name:	amp_DepositsStockMarketBasedCertificate
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The equity portion of the stock market based certificate deposit.

+ Details

Name:	amp_DepositsStockMarketEmbeddedDerivativeReserve
Namespace Prefix:	amp
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 12
-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 13
-Paragraph 37, 38, 39
-IssueDate 2006-05-01

+ Details

Name:	us-gaap_Deposits
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant