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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Embedded derivatives4false 3us-gaap_GainLossOnDerivativeInstrumentsNetPretaxus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse-495000000-495USD$falsetruefalse2truefalsefalse582000000582USD$falsetruefalse3truefalsefalse-382000000-382USD$falsetruefalse4truefalsefalse143000000143USD$falsetruefalsexbrli:monetaryItemTypemonetaryAggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 true2Total net derivative gains (losses)falseDerivatives (Net Derivative Gains Losses) (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.metlife.com/role/DerivativesNetDerivativeGainsLossesDetails44