Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $19,057.2 as of 2014 and $19,096.7 as of 2013)	$ 20,495.7	$ 19,944.4
Fixed maturities, at fair value using the fair value option	724.0	621.3
Equity securities, available-for-sale, at fair value (cost of $106.9 as of 2014 and $119.4 as of 2013)	122.3	134.9
Short-term investments	21.4	15.0
Mortgage loans on real estate, net of valuation allowance of $1.2 as of 2014 and 2013	3,564.7	3,396.1
Policy loans	240.2	242.0
Limited partnerships/corporations	250.8	180.9
Derivatives	421.3	464.4
Securities pledged (amortized cost of $140.9 as of 2014 and $137.9 as of 2013)	148.0	140.1
Total investments	25,988.4	25,139.1
Cash and cash equivalents	429.8	378.9
Short-term investments under securities loan agreement, including collateral delivered	166.5	135.8
Accrued investment income	296.5	285.0
Reinsurance recoverable	1,945.9	2,016.6
Deferred policy acquisition costs, Value of business acquired, and Sale inducements to contract owners	977.1	1,189.7
Notes receivable from affiliate	175.0	175.0
Due from affiliates	62.9	62.9
Property and equipment	75.7	78.4
Other assets	170.9	114.0
Assets held in separate accounts	62,808.4	60,104.9
Total assets	93,097.1	89,680.3
Liabilities and Shareholder's Equity
Future policy benefits and contract owner balances	24,859.9	24,589.6
Payable for securities purchased	39.4	13.7
Payables under securities loan agreement, including collateral held	398.3	264.4
Long-term debt	4.9	4.9
Due to affiliates	109.5	121.6
Derivatives	143.4	216.6
Current income tax payable to Parent	4.8	74.1
Deferred income taxes	316.3	190.1
Other liabilities	490.0	347.0
Liabilities related to separate accounts	62,808.4	60,104.9
Total liabilities	89,174.9	85,926.9
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	3,673.8	3,953.3
Accumulated other comprehensive income	773.2	495.4
Retained earnings (deficit)	(527.6)	(698.1)
Total shareholder's equity	3,922.2	3,753.4
Total liabilities and shareholder's equity	$ 93,097.1	$ 89,680.3