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CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
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) 335,320,837 334,828,117
Treasury shares (in shares) 225,174,867 223,967,107
Ameriprise Financial    
Assets    
Investments, allowance for credit losses $ 18 $ 18
Receivables, allowance for credit loss $ 51 $ 55