Variable Interest Entities (Tables)

3 Months Ended

Mar. 31, 2013

Variable Interest Entities

Carrying Amounts of Assets and Liabilities of Consolidated Variable Interest Entities (Table)

			Collateralized				Mandatory
			private investment				retirement
	Grantor trusts		vehicles		CMBS		savings		Total
	(in millions)
March 31, 2013
Fixed maturities, available-for-sale	$	220.3	$	—	$	—	$	—	$	220.3
Fixed maturities, trading	—		110.4		—		—		110.4
Other investments	—		—		77.2		—		77.2
Accrued investment income	0.5		—		0.5		—		1.0
Separate account assets	—		—		—		33,892.2		33,892.2
Total assets	$	220.8	$	110.4	$	77.7	$	33,892.2	$	34,301.1
Deferred income taxes	$	1.8	$	—	$	—	$	—	$	1.8
Separate account liabilities	—		—		—		33,892.2		33,892.2
Other liabilities (1)	175.3		100.4		42.6		—		318.3
Total liabilities	$	177.1	$	100.4	$	42.6	$	33,892.2	$	34,212.3
December 31, 2012
Fixed maturities, available-for-sale	$	194.6	$	—	$	—	$	—	$	194.6
Fixed maturities, trading	—		110.4		—		—		110.4
Other investments	—		—		80.3		—		80.3
Accrued investment income	0.5		—		0.6		—		1.1
Total assets	$	195.1	$	110.4	$	80.9	$	—	$	386.4
Deferred income taxes	$	1.8	$	—	$	—	$	—	$	1.8
Other liabilities (1)	152.4		104.8		45.7		—		302.9
Total liabilities	$	154.2	$	104.8	$	45.7	$	—	$	304.7

(1) Grantor trusts contain an embedded derivative of a forecasted transaction to deliver the underlying securities; collateralized private investment vehicles include derivative liabilities and obligation to redeem notes at maturity or termination of the trust; CMBS includes obligation to the bondholders; and hedge funds include liabilities to securities brokers.

Asset Carrying Value and Maximum Loss Exposure of Unconsolidated Variable Interest Entities (Table)

			Maximum exposure to
	Asset carrying value		loss (1)
	(in millions)
March 31, 2013
Fixed maturities, available-for-sale:
Corporate	$	527.9	$	408.9
Residential mortgage-backed pass-through securities	3,123.2		2,950.3
Commercial mortgage-backed securities	3,990.7		4,110.9
Collateralized debt obligations	394.0		431.7
Other debt obligations	3,848.6		3,808.4
Fixed maturities, trading:
Residential mortgage-backed pass-through securities	71.5		71.5
Commercial mortgage-backed securities	3.1		3.1
Collateralized debt obligations	59.2		59.2
Other debt obligations	1.9		1.9
Other investments:
Other limited partnership interests	128.4		128.4
December 31, 2012
Fixed maturities, available-for-sale:
Corporate	$	523.2	$	403.7
Residential mortgage-backed pass-through securities	3,226.7		3,022.7
Commercial mortgage-backed securities	3,897.4		4,094.8
Collateralized debt obligations	379.2		428.8
Other debt obligations	3,779.2		3,756.9
Fixed maturities, trading:
Residential mortgage-backed pass-through securities	77.7		77.7
Commercial mortgage-backed securities	2.8		2.8
Collateralized debt obligations	56.4		56.4
Other debt obligations	3.2		3.2
Other investments:
Other limited partnership interests	136.2		136.2

(1) Our risk of loss is limited to our initial investment measured at amortized cost for fixed maturities, available-for-sale and other investments. Our risk of loss is limited to our investment measured at fair value for our fixed maturities, trading.