Regulatory Requirements (Narrative) (Details) $ in Millions	Dec. 31, 2016 USD ($) subsidiary	Dec. 31, 2015 USD ($)
Regulatory Requirements
Aggregate amount of unrestricted net assets	$ 1,400
Number of broker-dealer subsidiaries \| subsidiary	4
Ameriprise Certificate Company [Member]
Regulatory Requirements
Requirement of qualified assets under Investment Company Act of 1940	$ 5,900	$ 4,800
Actual amount of qualified assets	6,300	5,100
RiverSource Life [Member]
Regulatory Requirements
Statutory unassigned surplus	$ 275	954
Percentage of previous year-end statutory capital and surplus (as a percent)	10.00%
Statutory capital and surplus	$ 3,000	3,700
Government debt securities on deposit with states under legal requirements	4	5
IDS Property Casualty [Member]
Regulatory Requirements
Statutory capital and surplus	800	$ 684
Ameriprise Certificate Company [Member] \| Ameriprise Financial, Inc
Regulatory Requirements
Maximum commitment under Capital Support Agreement	$ 50

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

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Represents the aggregate amount of unrestricted net assets.

+ References

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Represents the amount of maximum commitment under Capital Support Agreement.

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

+ References

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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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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.

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No definition available.

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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.

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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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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(a)(23)(c))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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

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