| **Life Policy And Investment Contract Reserves (Tables)**                                                                 | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                   |
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| **Liability for Future Policy Benefits [Abstract]**                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Reserve In Addition To The Account Balance, Based on Expected No-Lapse Guarantee Benefits And Expected Policy Assessments | This table summarizes our life policy and investment contract reserves:(Dollars in millions) At December 31,  2014 2013Ordinary/traditional life $875 $815Deferred annuities 863 862Universal life 530 508Structured settlements 182 189Other 47 16Total life policy and investment contract reserves $2,497 $2,390      |

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| - Definition
Reserve For Losses And Loss Adjustment Expenses
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