Financing Agreements	12 Months Ended
Financing Agreements	Dec. 31, 2012
Debt Disclosure [Abstract]
Financing Agreements	Financing Agreements Windsor Property Loan On June 16, 2007, the State of Connecticut acting by the Department of Economic and Community Development (“DECD”) loaned ILIAC $9.9 (the “DECD Loan”) in connection with the development of the corporate office facility located at One Orange Way, Windsor, Connecticut that serves as the principal executive offices of the Company (the “Windsor Property”). The loan has a term of twenty years and bears an annual interest rate of 1.00%. As long as no defaults have occurred under the loan, no payments of principal or interest are due for the initial ten years of the loan. For the second ten years of the DECD Loan term, ILIAC is obligated to make monthly payments of principal and interest. The DECD Loan provided for loan forgiveness during the first five years of the term at varying amounts up to $5.0 if ILIAC and its affiliates met certain employment thresholds at the Windsor Property during that period. On December 1, 2008, the DECD determined that the Company had met the employment thresholds for loan forgiveness and, accordingly, forgave $5.0 of the DECD Loan to ILIAC in accordance with the terms of the DECD Loan. The DECD Loan provides additional loan forgiveness at varying amounts up to $4.9 if ILIAC and its ING affiliates meet certain employment thresholds at the Windsor Property during years five through ten of the loan. ILIAC's obligations under the DECD Loan are secured by an unlimited recourse guaranty from its affiliate, ING North America Insurance Corporation. At both December 31, 2011 and 2010, the amount of the loan outstanding was $4.9, which was reflected in Long-term debt on the Consolidated Balance Sheets. Also see Financing Agreements in the Related Party Transactions note to these Consolidated Financial Statements.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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