BALANCE SHEET (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
ASSETS [Abstract]
Fixed maturities available for sale, at fair value	$ 878	$ 713
Mortgage loans on real estate	0us-gaap_MortgageLoansOnRealEstate	28us-gaap_MortgageLoansOnRealEstate
Policy Loans	151us-gaap_LoansInsurancePolicy	142us-gaap_LoansInsurancePolicy
Other invested assets	90us-gaap_OtherInvestments	84us-gaap_OtherInvestments
Total investments	1,119us-gaap_Investments	967us-gaap_Investments
Cash and cash equivalents At Carrying Value	47	139
Amounts due from reinsurers	1,336	1,304
Deferred policy acquisition costs	292us-gaap_DeferredPolicyAcquisitionCosts	218us-gaap_DeferredPolicyAcquisitionCosts
Value of business acquired	7us-gaap_ValueOfBusinessAcquiredVOBA	18us-gaap_ValueOfBusinessAcquiredVOBA
Deferred cost of reinsurance	71mloa_DeferredCostOfReinsurance	91mloa_DeferredCostOfReinsurance
Other assets	18us-gaap_OtherAssets	22us-gaap_OtherAssets
Separate Account Assets	1,810us-gaap_SeparateAccountAssets	1,839us-gaap_SeparateAccountAssets
Total Assets	4,700us-gaap_Assets	4,598us-gaap_Assets
LIABILITIES [Abstract]
Policyholders' account balances	1,919us-gaap_PolicyholderContractDeposits	1,777us-gaap_PolicyholderContractDeposits
Current and deferred income taxes	19	83
Future policy benefits and other policyholders liabilities	389	323
Other liabilities	63us-gaap_OtherLiabilities	82us-gaap_OtherLiabilities
Separate Accounts' liabilities	1,810us-gaap_SeparateAccountsLiability	1,839us-gaap_SeparateAccountsLiability
Total Liabilities	4,200us-gaap_Liabilities	4,104us-gaap_Liabilities
Commitments and contingent liabilities	0us-gaap_CommitmentsAndContingencies	0us-gaap_CommitmentsAndContingencies
SHAREHOLDER'S EQUITY [Abstract]
Common stock, $1.0 par value, 5.0 million shares authorized, 2.5 million shares issued and outstanding	2us-gaap_CommonStockValue	2us-gaap_CommonStockValue
Capital in excess of par value	317us-gaap_AdditionalPaidInCapital	315us-gaap_AdditionalPaidInCapital
Retained earnings	164	169
Accumulated other comprehensive income (loss)	17	8
Total Shareholder's Equity	500	494
Total Liabilities and Shareholder's Equity	$ 4,700	$ 4,598

The cost of or gain on reinsurance at the inception of a coinsurance treaty, defined as the difference between the initial coinsurance premium paid and the amount of the net liabilities relating to the underlying reinsured policies in accordance with the reinsurance agreement, net of the ceded commission received is deferred and amortized over the lives of the underlying policies.

No definition available.