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Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2018
Insurance [Abstract] |
Reinsurance Recoverables, Net | Reinsurance Recoverables
| As of
| December 31, 2018 | December 31, 2017
Property and Casualty Insurance Products |  |
Paid loss and loss adjustment expenses | $ | 127 |  | $ | 84 |
Unpaid loss and loss adjustment expenses | 3,773 |  | 3,496 |
Gross reinsurance recoverables | 3,900 |  | 3,580 |
Allowance for uncollectible reinsurance | (126 | ) | (104 | )
Net P&C reinsurance recoverables | 3,774 |  | 3,476 |
Group Benefits net reinsurance recoverables [1] | 251 |  | 236 |
Recoverable related to reserves in Corporate | 332 |  | 349 |
Reinsurance recoverables, net | $ | 4,357 |  | $ | 4,061 |
[1] No allowance for uncollectible reinsurance was required as of December 31, 2018 and 2017.
Property and Casualty Insurance Revenue | Property and Casualty Insurance Revenue
| For the years ended December 31,
Premiums Written | 2018 | 2017 | 2016
Direct | $ | 10,784 |  | $ | 10,865 |  | $ | 10,906 |
Assumed | 217 |  | 223 |  | 253 |
Ceded | (593 | ) | (571 | ) | (591 | )
Net | $ | 10,408 |  | $ | 10,517 |  | $ | 10,568 |
Premiums Earned |  |  |  |  |  |
Direct | $ | 10,824 |  | $ | 10,923 |  | $ | 10,871 |
Assumed | 221 |  | 232 |  | 261 |
Ceded | (599 | ) | (600 | ) | (583 | )
Net | $ | 10,446 |  | $ | 10,555 |  | $ | 10,549 |
Group Benefits Revenue | Group Benefits Revenue
| For the years ended December 31,
| 2018 | 2017 | 2016
Gross earned premiums, fees and other considerations | $ | 3,615 |  | $ | 3,281 |  | $ | 3,160 |
Reinsurance assumed | 2,044 |  | 446 |  | 107 |
Reinsurance ceded | (61 | ) | (50 | ) | (44 | )
Net earned premiums, fees and other considerations | $ | 5,598 |  | $ | 3,677 |  | $ | 3,223 |

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