Regulatory Requirements (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Subsidiaries of entity
Regulatory Requirements
Aggregate amount of unrestricted net assets	$ 2,600,000,000
Number of broker-dealer subsidiaries	4
Property and casualty [Member]
Regulatory Requirements
Statutory capital and surplus	560,000,000	531,000,000
RiverSource Life [Member]
Regulatory Requirements
Statutory unassigned surplus (deficit)	638,000,000	(7,000,000)
Statutory capital and surplus	3,300,000,000	2,700,000,000
Percentage of previous year-end statutory capital and surplus (as a percent)	10.00%
Government debt securities on deposit with states under legal requirements	5,000,000	6,000,000
Ameriprise Certificate Company [Member]
Regulatory Requirements
Requirement of qualified assets under Investment Company Act of 1940	4,200,000,000	4,000,000,000
Actual amount of qualified assets	4,500,000,000	4,300,000,000
Maximum commitment by entity to Ameriprise Certificate Company under Capital Support Agreement	$ 50,000,000	$ 115,000,000

Represents the actual amount of qualified assets held by an investment company subsidiary of the entity.

No definition available.

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- Definition

Represents the aggregate amount of unrestricted net assets.

+ References

No definition available.

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- Definition

Represents the amount of maximum commitment under Capital Support Agreement.

+ References

No definition available.

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- Definition

Represents the number of broker-dealer subsidiaries of the entity.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of previous year-end statutory capital and surplus that dividends must exceed in the determination of extraordinary dividends.

+ References

No definition available.

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- Definition

Represents the minimum amount of qualified assets required to be held by an investment company subsidiary of the entity under the Investment Company Act.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of statutory unassigned surplus as of the balance sheet date.

+ References

No definition available.

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- Definition

Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 320

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=28366721&loc=d3e22002-158495

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- Definition

The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.23(c))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 505

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 24

-Subparagraph c

-Article 7

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