Investments - Summary of Net Investment Income (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022		Jun. 30, 2023	Jun. 30, 2022
Summary of Net investment income
Net investment income	$ 811	$ 287	[1]	$ 1,509	$ 548	[1]
Ameriprise Financial
Summary of Net investment income
Investment income on fixed maturities	645	259		1,216	473
Net realized gains (losses)	6	(15)		10	5
Affordable housing partnerships	6	(11)		(3)	(26)
Other	109	36		199	59
Consolidated investment entities
Summary of Net investment income
Net investment income	$ 45	$ 18		$ 87	$ 37

[1] Certain prior period amounts have been restated. See Note 3 for more information.