CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Equity:
Common shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares, authorized (in shares)	1,250,000,000	1,250,000,000
Common shares, issued (in shares)	337,314,627	336,780,893
Treasury shares (in shares)	237,670,262	236,607,681
Ameriprise Financial
Assets
Investments, allowance for credit losses	$ 22	$ 22
Receivables, allowance for credit losses	$ 79	$ 81