Basis of Presentation RiverSource Life Insurance Company is a stock life insurance company with one wholly owned stock life insurance company subsidiary, RiverSource Life Insurance Co. of New York (RiverSource Life of NY). RiverSource Life Insurance Company is a wholly owned subsidiary of Ameriprise Financial, Inc. (Ameriprise Financial).  RiverSource Life Insurance Company is domiciled in Minnesota and holds Certificates of Authority in American Samoa, the District of Columbia and all states except New York. RiverSource Life Insurance Company issues insurance and annuity products.  RiverSource Life of NY is domiciled and holds a Certificate of Authority in New York. RiverSource Life of NY issues insurance and annuity products. RiverSource Life Insurance Company also wholly owns RiverSource Tax Advantaged Investments, Inc. (RTA). RTA is a stock company domiciled in Delaware and is a limited partner in affordable housing partnership investments. The accompanying Consolidated Financial Statements include the accounts of RiverSource Life Insurance Company and companies in which it directly or indirectly has a controlling financial interest (collectively, the Company). All intercompany transactions and balances have been eliminated in consolidation. The interim financial information in this report has not been audited. In the opinion of management, all adjustments necessary for fair statement of the consolidated financial position and results of operations for the interim periods have been made. Except for the adjustment described below, all adjustments made were of a normal recurring nature. In the first quarter of 2017, the Company recorded a $20 million decrease to income tax provision related to an out-of-period correction for a reversal of a tax reserve. In the third quarter of 2017, the Company recorded a $14 million out-of-period correction related to a variable annuity model assumption that decreased amortization of deferred acquisition costs (DAC) by $10 million and decreased benefits, claims, lo