Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $18,937.1 as of 2014 and $19,096.7 as of 2013)	$ 20,597.4	$ 19,944.4
Fixed maturities, at fair value using the fair value option	693.7	621.3
Equity securities, available-for-sale, at fair value (cost of $107.5 as of 2014 and $119.4 as of 2013)	123.1	134.9
Short-term investments	15.0	15.0
Mortgage loans on real estate, net of valuation allowance of $1.2 as of 2014 and 2013	3,434.4	3,396.1
Policy loans	239.6	242.0
Limited partnerships/corporations	228.9	180.9
Derivatives	445.8	464.4
Securities pledged (amortized cost of $223.1 as of 2014 and $137.9 as of 2013)	236.4	140.1
Total investments	26,014.3	25,139.1
Cash and cash equivalents	413.5	378.9
Short-term investments under securities loan agreement, including collateral delivered	241.5	135.8
Accrued investment income	285.5	285.0
Reinsurance recoverable	1,974.9	2,016.6
Deferred policy acquisition costs, Value of business acquired, and Sale inducements to contract owners	953.2	1,189.7
Notes receivable from affiliate	175.0	175.0
Due from affiliates	59.9	62.9
Property and equipment	76.6	78.4
Other assets	215.3	114.0
Assets held in separate accounts	64,362.4	60,104.9
Total assets	94,772.1	89,680.3
Liabilities and Shareholder's Equity
Future policy benefits and contract owner balances	24,732.9	24,589.6
Payable for securities purchased	42.7	13.7
Payables under securities loan agreement, including collateral held	472.1	264.4
Long-term debt	4.9	4.9
Due to affiliates	143.6	121.6
Derivatives	193.9	216.6
Current income tax payable to Parent	13.3	74.1
Deferred income taxes	374.9	190.1
Other liabilities	461.0	347.0
Liabilities related to separate accounts	64,362.4	60,104.9
Total liabilities	90,801.7	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	871.6	495.4
Retained earnings (deficit)	(577.8)	(698.1)
Total shareholder's equity	3,970.4	3,753.4
Total liabilities and shareholder's equity	$ 94,772.1	$ 89,680.3