Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $19,096.7 at 2013 and $18,458.7 at 2012)	$ 19,944.4	$ 20,690.8
Fixed maturities, at fair value using the fair value option	621.3	544.7
Equity securities, available-for-sale, at fair value (cost of $119.4 at 2013 and $129.3 at 2012)	134.9	142.8
Short-term investments	15.0	679.8
Mortgage loans on real estate, net of valuation allowance of $1.2 at 2013 and $1.3 at 2012	3,396.1	2,872.7
Policy loans	242.0	240.9
Limited partnerships/corporations	180.9	179.6
Derivatives	464.4	512.7
Securities pledged (amortized cost of $137.9 at 2013 and $207.2 at 2012)	140.1	219.7
Total investments	25,139.1	26,083.7
Cash and cash equivalents	378.9	363.4
Short-term investments under securities loan agreement, including collateral delivered	135.8	186.1
Accrued investment income	285.0	273.0
Receivable for securities sold	5.5	3.9
Reinsurance recoverable	2,016.6	2,153.7
Deferred policy acquisition costs, Value of business acquired, and Sale inducements to contract owners	1,189.7	695.0
Notes receivable from affiliate	175.0	175.0
Due from affiliates	62.9	99.8
Property and equipment	78.4	81.8
Other assets	108.5	101.1
Assets held in separate accounts	60,104.9	53,655.3
Total assets	89,680.3	83,871.8
Liabilities and Shareholder's Equity
Future policy benefits and contract owner balances	24,589.6	24,191.2
Payable for securities purchased	13.7	0
Payables under securities loan agreement, including collateral held	264.4	353.2
Long-term debt	4.9	4.9
Due to affiliates	121.6	95.1
Derivatives	216.6	346.8
Current income tax payable to Parent	74.1	32.1
Deferred income taxes	190.1	507.1
Other liabilities	347.0	424.7
Liabilities related to separate accounts	60,104.9	53,655.3
Total liabilities	85,926.9	79,610.4
Shareholder's equity:
Common stock (100,000 shares authorized, 55,000 issued and outstanding; $50 per share value)	2.8	2.8
Additional paid-in capital	3,953.3	4,217.2
Accumulated other comprehensive income	495.4	1,023.0
Retained earnings (deficit)	(698.1)	(981.6)
Total shareholder's equity	3,753.4	4,261.4
Total liabilities and shareholder's equity	$ 89,680.3	$ 83,871.8