v3.25.4

Summary of Significant Accounting Policies - Investments and Financing Receivables (Details)	12 Months Ended
	Dec. 31, 2025
Available-for-Sale securities:
Period past due for nonaccrual status	90 days
Financing Receivables
Period past due for nonaccrual status	90 days
Commercial Loans \| Commercial mortgage loans
Financing Receivables
Period past due for nonaccrual status	90 days
Commercial Loans \| Syndicated loans
Financing Receivables
Period past due for nonaccrual status	90 days
Consumer Loans \| Credit card receivables
Financing Receivables
Period past due receivables are fully charged off	180 days

Threshold period for when the accrued balance of an investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) is placed on nonaccrual status, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes threshold period past due to write off as uncollectible.

+ References

No definition available.

+ Details

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- Definition

Threshold period for when past due financing receivable is placed on nonaccrual status, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes threshold period past due to write off as uncollectible.

+ References

No definition available.

+ Details

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Namespace Prefix:	amp_
Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Threshold period for when financing receivable is considered past due to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

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- Details

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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

AMERIPRISE FINANCIAL INC 10-K/A