| Component: (Network and Table) | |
|---|---|
| Network | 2415403 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES - Future Minimum Lease Payments due under Non-Cancelable Operating Leases (Detail) (http://www.aflac.com/role/CommitmentsAndContingentLiabilitiesFutureMinimumLeasePaymentsDueUnderNonCancelableOperatingLeasesDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000004977 (http://www.sec.gov/CIK) |
| Commitments and Contingencies Disclosure [Abstract] | Period [Axis] |
|---|---|
2016-12-31 | |
Commitments and Contingencies Disclosure [Abstract] | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 | |
Thereafter | |
Total future minimum lease payments |