Financing Receivables - Allowance for Credit Losses (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Rollforward of allowance for credit losses
Beginning balance	$ 50	$ 68	$ 51
Provisions	13	(11)	21
Charge-offs	(4)	(10)	(9)
Recoveries		1
Other		2
Ending balance	59	50	68
Commercial Loans
Rollforward of allowance for credit losses
Beginning balance	47	66	51
Provisions	10	(13)	19
Charge-offs	(3)	(8)	(6)
Recoveries		0
Other		2
Ending balance	54	47	66
Commercial Loans \| Receivables
Financing receivables
Accrued interest on loans	17	13
Consumer Loans
Rollforward of allowance for credit losses
Beginning balance	3	2	0
Provisions	3	2	2
Charge-offs	(1)	(2)	(3)
Recoveries		1
Other		0
Ending balance	$ 5	$ 3	2
Cumulative Effect, Period of Adoption, Adjustment
Rollforward of allowance for credit losses
Beginning balance			5
Cumulative Effect, Period of Adoption, Adjustment \| Commercial Loans
Rollforward of allowance for credit losses
Beginning balance			2
Cumulative Effect, Period of Adoption, Adjustment \| Consumer Loans
Rollforward of allowance for credit losses
Beginning balance			3
Cumulative Effect, Period of Adoption, Adjusted Balance
Rollforward of allowance for credit losses
Beginning balance			56
Cumulative Effect, Period of Adoption, Adjusted Balance \| Commercial Loans
Rollforward of allowance for credit losses
Beginning balance			53
Cumulative Effect, Period of Adoption, Adjusted Balance \| Consumer Loans
Rollforward of allowance for credit losses
Beginning balance			$ 3

Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Other Increase (Decrease)

No definition available.

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Namespace Prefix:	amp_
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Balance Type:	credit
Period Type:	duration

- Definition

Amount, before allowance for credit loss, of accrued interest on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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