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2410406 - Disclosure - INCOME TAXES - Income Tax Effects of Temporary Differences that Gave Rise to Deferred Income Tax Assets and Liabilities (Detail)
(http://www.aflac.com/role/IncomeTaxesIncomeTaxEffectsOfTemporaryDifferencesThatGaveRiseToDeferredIncomeTaxAssetsAndLiabilitiesDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000004977 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-12-31
2015-12-31
Income Tax Disclosure [Abstract]
 
 
Deferred income tax liabilities:
 
 
Deferred policy acquisition costs
2,439,000,000  
2,282,000,000  
Unrealized gains on investment securities
2,636,000,000  
1,684,000,000  
Premiums receivable
111,000,000  
139,000,000  
Policy benefit reserves
1,638,000,000  
1,313,000,000  
Depreciation
70,000,000  
61,000,000  
Other
0  
0  
Total deferred income tax liabilities
6,894,000,000  
 
5,479,000,000  
 
Deferred income tax assets:
 
 
Other basis differences in investment securities
1,167,000,000  
1,422,000,000  
Unfunded retirement benefits
13,000,000  
15,000,000  
Other accrued expenses
11,000,000  
7,000,000  
Policy and contract claims
146,000,000  
113,000,000  
Foreign currency loss on Japan branch
185,000,000  
208,000,000  
Deferred compensation
210,000,000  
181,000,000  
Capital loss carryforwards
3,000,000  
0  
Other
103,000,000  
95,000,000  
Total deferred income tax assets
1,838,000,000  
 
2,041,000,000  
 
Net deferred income tax liability
5,056,000,000  
 
3,438,000,000  
 
Current income tax liability
331,000,000  
902,000,000  
Total income tax liability
5,387,000,000  
 
4,340,000,000