| **Condensed Consolidated Statements of Income (USD $)In Millions, except Per Share data, unless otherwise specified** | 3 Months Ended |
|-----------------------------------------------------------------------------------------------------------------------|----------------|
||
| **REVENUES**                                                                                                          |           |   |
| Earned premiums                                                                                                       | $ 931          | $ 839 |
| Investment income, net of expenses                                                                                    | 128            | 131 |
| Total realized investment gains, net                                                                                  | 41             | 13 |
| Fee revenues                                                                                                          | 1              | 1 |
| Other revenues                                                                                                        | 2              | 2 |
| Total revenues                                                                                                        | 1,103          | 986 |
| **BENEFITS AND EXPENSES**                                                                                             |           |   |
| Insurance losses and policyholder benefits                                                                            | 568            | 582 |
| Underwriting, acquisition and insurance expenses                                                                      | 300            | 274 |
| Interest expense                                                                                                      | 13             | 14 |
| Other operating expenses                                                                                              | 5              | 4 |
| Total benefits and expenses                                                                                           | 886            | 874 |
| INCOME BEFORE INCOME TAXES                                                                                            | 217            | 112 |
| **PROVISION FOR INCOME TAXES**                                                                                        |           |   |
| Current                                                                                                               | 54             | 20 |
| Deferred                                                                                                              | 9              | 6 |
| Total provision for income taxes                                                                                      | 63             | 26 |
| NET INCOME                                                                                                            | $ 154          | $ 86 |
| **PER COMMON SHARE**                                                                                                  |           |   |
| Net income-basic (in USD per share)                                                                                   | $ 0.95         | $ 0.53 |
| Net income-diluted (in USD per share)                                                                                 | $ 0.94         | $ 0.53 |

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| - Definition
Amount of commissions, insurance operating expenses, increase in deferred acquisition costs and taxes, licenses and fees.
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No definition available.
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| - Definition
The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs.
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| - Definition
The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable Income or Loss from continuing operations.
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| - Definition
The component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations.
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| - Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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| - Definition
Total fees and commissions earned from providing services such as leasing of space or maintaining: (1) depositor accounts; (2) transfer agent; (3) fiduciary and trust; (4) brokerage and underwriting; (5) mortgage; (6) credit cards; (7) correspondent clearing; and (8) other such services and activities performed for others.
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| - Definition
Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.
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| - Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.
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| - Definition
The cost of borrowed funds accounted for as interest that was charged against earnings during the period.
+ References
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| - Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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| - Definition
The income earned from investments in securities and property, equipment and other capital assets. It includes rent from property and equipment, dividends from shares in corporations, and interest from bonds, loans, mortgages, derivatives, commercial paper, bank accounts, certificates of deposits, treasuries, and other financial securities. It does not include realized gains and losses on investments.
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| - Definition
The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.
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| - Definition
Reflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement.
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| - Definition
Provision for benefits, claims and claims settlement expenses incurred during the period net of the effects of contracts assumed and ceded.
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| - Definition
Premiums earned on the income statement for all insurance and reinsurance contracts after subtracting any amounts ceded to another insurer and adding premiums assumed from other insurers.
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| - Definition
The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.
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| - Definition
Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.
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