| **Related Party Transactions Narrative (Details) - USD ($) $ in Millions** | 12 Months Ended |
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| Due to related parties                                                     | $ 143           | $ 50 |   |
| Fees and expenses of investment facilities and services                    |            |   |   |
| Amounts reimbursed to Loews for services provided to the Company           | 43              | 43 | $ 39 |
| Due to related parties                                                     | 22              | 23 |   |
| Corporate Services and Related Travel Expenses                             |            |   |   |
| Amounts reimbursed to Loews for services provided to the Company           | 1               | 1 |   |
| Taxes paid                                                                 |            |   |   |
| Due to related parties                                                     | 121             | 28 |   |
| Loews                                                                      |            |   |   |
| Amounts earned from Loews for insurance premiums                           | $ 2             | $ 2 | $ 2 |

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| - Definition
Carrying amount as of the balance sheet date of obligations due all related parties.
+ References
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| - Definition
Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.
+ References
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| - Definition
Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.
+ References
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