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Investments - Available-for-Sale Securities by Contractual Maturity (Details) - Ameriprise Financial - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Amortized cost    
Due within one year $ 3,342  
Due after one year through five years 3,058  
Due after five years through 10 years 3,584  
Due after 10 years 4,693  
Total having single maturity dates 14,677  
Amortized Cost 50,029 $ 43,384
Fair value    
Due within one year 3,329  
Due after one year through five years 2,957  
Due after five years through 10 years 3,161  
Due after 10 years 4,751  
Total having single maturity dates 14,198  
Fair Value 47,587 40,811
Residential mortgage backed securities    
Amortized cost    
Without single maturity dates 20,435  
Amortized Cost 20,435 17,056
Fair value    
Without single maturity dates 19,029  
Fair Value 19,029 15,703
Commercial mortgage backed securities    
Amortized cost    
Without single maturity dates 6,716  
Amortized Cost 6,716 6,648
Fair value    
Without single maturity dates 6,275  
Fair Value 6,275 6,212
Asset backed securities    
Amortized cost    
Without single maturity dates 8,201  
Amortized Cost 8,201 6,408
Fair value    
Without single maturity dates 8,085  
Fair Value $ 8,085 $ 6,264