v3.8.0.1

Business and Basis of Presentation (Narrative) (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) | Dec. 31, 2017 segment division | Dec. 31, 2016 USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Number of Reportable Segments | segment |  | 7 |
Number of divisions | division |  | 5 |
Universal Life |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Out of period decrease adjustments | $ (148) |  | $ (141)
Income From Continuing Operations Before Income Taxes And Equity In Earnings Of Operating Joint Ventures |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Out of period decrease adjustments | $ (153) |  | $ (134)

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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- Definition Amount of each individual error being corrected in the correcting adjustment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 1.N) -URI http://asc.fasb.org/extlink&oid=26874127&loc=d3e30840-122693 + Details
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