XML 115 R147.htm IDEA: XBRL DOCUMENT v2.4.1.9
Equity (Dividend Restrictions) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2015
Statutory Accounting Practices [Line Items]      
Paid   $ 1,428us-gaap_PaymentsOfDividends  
Total dividends paid 821mlic_DividendPaymentRestrictionsScheduleAmountsPaidIncludingCommonStockPaidInKind    
Scenario, Forecast [Member]      
Statutory Accounting Practices [Line Items]      
Permitted w/o Approval     1,200us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
New England Life Insurance Company [Member]      
Statutory Accounting Practices [Line Items]      
Paid   77us-gaap_PaymentsOfDividends
/ dei_LegalEntityAxis
= mlic_NewEnglandLifeInsuranceCompanyMember
 
Total dividends paid 227mlic_DividendPaymentRestrictionsScheduleAmountsPaidIncludingCommonStockPaidInKind
/ dei_LegalEntityAxis
= mlic_NewEnglandLifeInsuranceCompanyMember
   
New England Life Insurance Company [Member] | Scenario, Forecast [Member]      
Statutory Accounting Practices [Line Items]      
Permitted w/o Approval     199us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
/ dei_LegalEntityAxis
= mlic_NewEnglandLifeInsuranceCompanyMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
General American Life Insurance Company [Member]      
Statutory Accounting Practices [Line Items]      
Paid 0us-gaap_PaymentsOfDividends
/ dei_LegalEntityAxis
= mlic_GeneralAmericanLifeInsuranceCompanyMember
0us-gaap_PaymentsOfDividends
/ dei_LegalEntityAxis
= mlic_GeneralAmericanLifeInsuranceCompanyMember
 
General American Life Insurance Company [Member] | Scenario, Forecast [Member]      
Statutory Accounting Practices [Line Items]      
Permitted w/o Approval     $ 88us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
/ dei_LegalEntityAxis
= mlic_GeneralAmericanLifeInsuranceCompanyMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember