5. Demutualization and Closed Block (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Jun. 25, 2011	Dec. 31, 2011 As restated and amended [Member]
Debt securities	$ 6,424.1	$ 4,773.1	$ 6,323.5
Equity securities	9.4		12.6
Limited partnerships and other investments	342.3	399.0	338.0
Policy loans	1,249.6	1,380.0	1,280.4
Fair value investments	33.0		27.8
Total closed block investments	8,058.4	6,552.1	7,982.3
Cash and cash equivalents	30.8		15.1
Accrued investment income	91.1	106.8	94.2
Receivables	74.0	35.2	68.8
Deferred income taxes, net	231.2	389.4	226.8
Other closed block assets	49.3	6.2	39.2
Total closed block assets	8,534.8	7,089.7	8,426.4
Policy liabilities and accruals	8,487.2	8,301.7	8,680.4
Policyholder dividends payable	235.1	325.1	241.0
Policy dividend obligation	755.8		511.5
Other closed block liabilities	63.8	12.3	41.0
Total closed block liabilities	9,541.9	8,639.1	9,473.9
Excess of closed block liabilities over closed block assets(1)	1,007.0	1,549.4	1,047.5
Less: Excess of closed block assets over closed block liabilities attributable to noncontrolling interests	(4.1)		(1.4)
Excess of closed block liabilities over closed block assets attributable to The Phoenix Companies, Inc.	$ 1,011.2		$ 1,048.9