XML 15 R54.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments (Details 14) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2012
Securities Posted as Collateral  
Fixed maturity securities posted as collateral for a reinsurance arrangement, derivative credit support annex (collateral) agreements and obligation under funding agreements with the Federal Home Loan Bank of Des Moines $ 1,371.0
Commercial mortgage loans posted as collateral associated with obligation under funding agreements with the Federal Home Loan Bank of Des Moines $ 1,672.5