|**Discontinued Operations (Tables)**                                 | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|**Discontinued Operations and Disposal Groups [Abstract]**           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Results of discontinued operations                                   | The results of discontinued operations reflected in the Condensed Consolidated Statements of Operations are presented in the following table.Three months ended March 31(In millions)2014RevenuesNet investment income$41Net realized investment gains1Total revenues42Claims, Benefits and ExpensesInsurance claims and policyholders' benefits31Other operating expenses1Total claims, benefits and expenses32Income before income tax10Income tax expense(3)Income from operations of discontinued operations, net of income tax7Impairment loss on sale, net of income tax benefit of $41(214)Loss from discontinued operations$(207)
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|Three months ended March 31                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|(In millions)                                                        | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Revenues                                                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Net investment income                                                | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Net realized investment gains                                        | 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Total revenues                                                       | 42                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Claims, Benefits and Expenses                                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Insurance claims and policyholders' benefits                         | 31                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Other operating expenses                                             | 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Total claims, benefits and expenses                                  | 32                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Income before income tax                                             | 10                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Income tax expense                                                   | (3                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Income from operations of discontinued operations, net of income tax | 7                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Impairment loss on sale, net of income tax benefit of $41            | (214                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Loss from discontinued operations                                    | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

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                    duration X- DefinitionTabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1510-107760Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1474-107760Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228+ Details**Name:**
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