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Acquisition and Sale of Businesses (Tables) | 9 Months Ended
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Sep. 30, 2016
Disclosure Text Block [Abstract] |
Summarized financial information | Revenues, costs and expenses, and earnings before income taxes for the subsidiaries sold were (in millions):
| Three months ended September 30, 2015 |  | Nine months ended September 30, 2015
Life, accident and health net earned premiums: |  |  |
Long-term care | $ | 19 |  |  | $ | 56 |
Life operations | 3 |  |  | 8 |
Net investment income | 19 |  |  | 56 |
Realized gains (losses) on securities and other income | (4 | ) |  | (6 | )
Total revenues | 37 |  |  | 114 |
Annuity benefits | 2 |  |  | 6 |
Life, accident and health benefits: |  |  |
Long-term care | 21 |  |  | 67 |
Life operations | 3 |  |  | 8 |
Annuity and supplemental insurance acquisition expenses | 3 |  |  | 9 |
Other expenses | 4 |  |  | 13 |
Total costs and expenses | 33 |  |  | 103 |
Earnings before income taxes | $ | 4 |  |  | $ | 11 |

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