8. Separate Accounts Death Benefits Other, Insurance Benefit Features and Embedded Product Derivatives (Details 4) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011 As restated and amended [Member]
GMWB	$ 14.3	$ 22.0
GMAB	14.3	24.7
GPAF	(0.3)	(0.3)
COMBO	$ 28.3	$ 46.4