Fair Values of Assets and Liabilities - Changes in Level 3 Liabilities (Details) - Ameriprise Financial - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Changes in Level 3 liabilities measured at fair value on a recurring basis
Net increase (decrease) to pretax income from adjustment for nonperformance risk on fair value of embedded derivatives	$ (50)	$ (92)	$ 196
Policyholder account balances, future policy benefits and claims embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	2,853	3,370	1,687
Total (gains) included in Net income	(1,874)	(873)	1,323
Total gains (losses) included in Other comprehensive income (loss)	0
Issues	491	341	405
Settlements	(216)	15	(45)
Balance, ending	1,254	2,853	3,370
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	(1,836)	(1,231)	1,282
Fixed deferred indexed annuities embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	56	49	43
Total (gains) included in Net income	(9)	10	4
Total gains (losses) included in Other comprehensive income (loss)	0
Issues	0	0	3
Settlements	(3)	(3)	(1)
Balance, ending	44	56	49
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	$ 0	$ 0	$ 0
Gain (loss), location	Interest credited to fixed accounts	Interest credited to fixed accounts	Interest credited to fixed accounts
IUL embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	$ 905	$ 935	$ 881
Total (gains) included in Net income	(105)	68	76
Total gains (losses) included in Other comprehensive income (loss)	0
Issues	51	0	61
Settlements	(112)	(98)	(83)
Balance, ending	739	905	935
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	$ (105)	$ 68	$ 76
Gain (loss), location	Interest credited to fixed accounts	Interest credited to fixed accounts	Interest credited to fixed accounts
Changes in unrealized gains (losses), location	Interest credited to fixed accounts	Interest credited to fixed accounts	Interest credited to fixed accounts
GMWB and GMAB embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	$ 1,486	$ 2,316	$ 763
Total (gains) included in Net income	(1,127)	(1,344)	1,152
Total gains (losses) included in Other comprehensive income (loss)	0
Issues	350	369	362
Settlements	(101)	145	39
Balance, ending	608	1,486	2,316
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	$ (1,098)	$ (1,299)	$ 1,206
Gain (loss), location	Benefits, claims, losses and settlement expenses	Benefits, claims, losses and settlement expenses	Benefits, claims, losses and settlement expenses
Changes in unrealized gains (losses), location	Benefits, claims, losses and settlement expenses	Benefits, claims, losses and settlement expenses	Benefits, claims, losses and settlement expenses
Structured variable annuity embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	$ 406	$ 70	$ 0
Total (gains) included in Net income	(633)	393	91
Total gains (losses) included in Other comprehensive income (loss)	0
Issues	90	(28)	(21)
Settlements	0	(29)	0
Balance, ending	(137)	406	70
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	(633)	0	0
Other liabilities
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	61	43	44
Total (gains) included in Net income	0	(13)	(12)
Total gains (losses) included in Other comprehensive income (loss)	(3)
Issues	37	45	20
Settlements	(33)	(14)	(9)
Balance, ending	62	61	43
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	$ 0	$ 0	$ 0