OLDWICK, N.J.--(BUSINESS WIRE)-- A.M. Best Co. has affirmed the financial strength rating (FSR) of A+ (Superior) and issuer credit ratings (ICR) of “aa-” of RiverSource Life Insurance Company (Minneapolis, MN) and its wholly owned subsidiary, RiverSource Life Insurance Co. of New York (Albany, NY). A.M. Best also has affirmed the FSR of A (Excellent) and ICRs of “a+” of IDS Property Casualty Insurance Company (IDS) and its wholly owned, fully reinsured subsidiary, Ameriprise Insurance Company (both domiciled in De Pere, WI). Together, these companies represent the key life insurance and property/casualty subsidiaries of Ameriprise Financial, Inc. (Ameriprise) (headquartered in Minneapolis, MN) [NYSE: AMP].

Concurrently, A.M. Best has affirmed the ICR of “a-” and the existing debt ratings of Ameriprise. The outlook for all ratings is stable. (Please see below for a detailed listing of the debt ratings.)