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DEFERRED POLICY ACQUISITION COSTS AND INSURANCE EXPENSES (Tables) | 12 Months Ended
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Dec. 31, 2019
Deferred Policy Acquisition Costs Disclosures [Abstract] |
Schedule of Deferred Policy Acquisition Costs | The following table presents a rollforward of deferred policy acquisition costs by segment for the years ended December 31.
| 2019 |  | 2018
(In millions) | Japan |  | U.S. |  | Japan |  | U.S.
Deferred policy acquisition costs: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of year |  | $ | 6,384 |  |  |  |  | $ | 3,491 |  |  |  |  | $ | 6,150 |  |  |  |  | $ | 3,355 |  |
Capitalization |  | 825 |  |  |  |  | 626 |  |  |  |  | 833 |  |  |  |  | 669 |  |
Amortization |  | (709 | ) |  |  |  | (573 | ) |  |  |  | (710 | ) |  |  |  | (534 | ) |
Foreign currency translation and other |  | 84 |  |  |  |  | 0 |  |  |  |  | 111 |  |  |  |  | 1 |  |
Balance, end of year |  | $ | 6,584 |  |  |  |  | $ | 3,544 |  |  |  |  | $ | 6,384 |  |  |  |  | $ | 3,491 |  |
Advertising Expense | Advertising expense, which is included in insurance expenses in the consolidated statements of earnings, was as follows for the years ended December 31:
(In millions) | 2019 |  | 2018 |  | 2017
Advertising expense: |  |  |  |  |  |  |  |  |  |  |
Aflac Japan |  | $ | 101 |  |  |  |  | $ | 108 |  |  |  |  | $ | 100 |  |
Aflac U.S. |  | 118 |  |  |  |  | 110 |  |  |  |  | 110 |  |
Total advertising expense |  | $ | 219 |  |  |  |  | $ | 218 |  |  |  |  | $ | 210 |  |
Schedule Of Depreciation And Amortization Expense | Depreciation and other amortization expenses, which are included in insurance expenses in the consolidated statements of earnings, were as follows for the years ended December 31:
(In millions) | 2019 |  | 2018 |  | 2017
Depreciation expense |  | $ | 40 |  |  |  |  | $ | 48 |  |  |  |  | $ | 50 |  |
Other amortization expense |  | 1 |  |  |  |  | 1 |  |  |  |  | 3 |  |
Total depreciation and other amortization expense |  | $ | 41 |  |  |  |  | $ | 49 |  |  |  |  | $ | 53 |  |

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