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Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2017
Insurance [Abstract] |
Reinsurance Recoverables, Net | Reinsurance Recoverables
| As of
| December 31, 2017 | December 31, 2016
Property and Casualty Insurance Products |  |
Paid loss and loss adjustment expenses | $ | 84 |  | $ | 89 |
Unpaid loss and loss adjustment expenses [1] | 3,496 |  | 3,161 |
Gross reinsurance recoverables [1] | 3,580 |  | 3,250 |
Allowance for uncollectible reinsurance | (104 | ) | (165 | )
Net reinsurance recoverables [1] | 3,476 |  | 3,085 |
Group Benefits net reinsurance recoverables [2] | 236 |  | 208 |
Retained life and annuity business in Corporate | 349 |  | 366 |
Reinsurance recoverables, net | $ | 4,061 |  | $ | 3,659 |
[1] | Reflects the addition of $688 and $712 into Property & Casualty Commercial Lines of reinsurance recoverables as of December 31, 2017 and 2016, respectively, for structured settlements recoverables due from the Company's life and annuity run-off business now classified as held for sale. These amounts were previously eliminated in consolidation.
[2] | No allowance for uncollectible reinsurance was required as of December 31, 2017 and 2016.
Property and Casualty Insurance Revenue | Property and Casualty Insurance Revenue
| For the years ended December 31,
Premiums Written | 2017 | 2016 | 2015
Direct | $ | 10,865 |  | $ | 10,906 |  | $ | 10,861 |
Assumed | 223 |  | 253 |  | 297 |
Ceded | (571 | ) | (591 | ) | (580 | )
Net | $ | 10,517 |  | $ | 10,568 |  | $ | 10,578 |
Premiums Earned |  |  |  |  |  |
Direct | $ | 10,923 |  | $ | 10,871 |  | $ | 10,704 |
Assumed | 232 |  | 261 |  | 298 |
Ceded | (600 | ) | (583 | ) | (586 | )
Net | $ | 10,555 |  | $ | 10,549 |  | $ | 10,416 |
Group Benefits Revenue | Group Benefits Revenue
| For the years ended December 31,
| 2017 | 2016 | 2015
Gross earned premiums, fees and other considerations | $ | 3,281 |  | $ | 3,160 |  | $ | 3,107 |
Reinsurance assumed | 446 |  | 107 |  | 97 |
Reinsurance ceded | (50 | ) | (44 | ) | (68 | )
Net earned premiums, fees and other considerations | $ | 3,677 |  | $ | 3,223 |  | $ | 3,136 |

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