Disposition (Disposition - Narrative) (Details) - MetLife U.S. Retail Advisor Force - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2016	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Consideration		$ 280
Scenario, Forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on Disposition of Business, Net of Tax	$ 45

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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