XML 171 R41.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

STATUTORY ACCOUNTING AND DIVIDEND RESTRICTIONS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Insurance [Abstract] |
Profit Remittances Disclosure | Profits remitted by Aflac Japan to the Parent Company, after April 1, 2018, and to Aflac U.S., prior to April 1, 2018, were as follows for the years ended December 31:
| In Dollars |  | In Yen
(In millions of dollars and billions of yen) | 2019 |  | 2018 |  | 2017 |  | 2019 |  | 2018 |  | 2017
Profit remittances |  | $ | 2,070 |  |  |  |  | $ | 808 |  |  |  |  | $ | 1,150 |  |  |  |  | ¥ | 225.2 |  |  |  |  | ¥ | 89.7 |  |  |  |  | ¥ | 129.3 |  |

X
- Definition Profit Remittances Disclosure [Table Text Block] + References No definition available. + Details
Name: | afl_ProfitRemittancesDisclosureTableTextBlock
Namespace Prefix: | afl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InsuranceAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration