Restatement Goodwill Impairment Loss (Details) (USD $)	3 Months Ended	9 Months Ended	6 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2012	Jun. 30, 2012 Individual Life [Member]	Sep. 30, 2012 Individual Life [Member]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Asset Impairment				$ 342,000,000
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 342,000,000	$ (342,000,000)	$ 0

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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+ Details