DEFERRED POLICY ACQUISITION COSTS AND INSURANCE EXPENSES (Tables)

12 Months Ended

Dec. 31, 2023

Deferred Policy Acquisition Costs Disclosures [Abstract]

Schedule of Deferred Policy Acquisition Costs

The following tables present a rollforward of deferred policy acquisition costs by reporting segment and disaggregated by product type for the years ended December 31.

	2023
	Aflac Japan								Aflac U.S.
(In millions)	Cancer		Medical and Other Health		Life Insurance		Other		Accident		Disability		Critical Care		Hospital Indemnity		Dental/Vision		Life Insurance		Other		Total
Deferred policy acquisition costs:
Balance, beginning of year	$	3,035	$	2,161	$	525	$	55	$	904	$	613	$	1,304	$	418	$	88	$	135	$	1	$	9,239
Capitalization	317		123		33		8		151		125		173		84		10		61		1		1,086
Amortization expense	(184)		(105)		(34)		(3)		(138)		(113)		(141)		(66)		(12)		(24)		4		(816)
Foreign currency translation and   other	(197)		(138)		(33)		(4)		0		0		0		0		0		0		(5)		(377)
Balance, end of year	$	2,971	$	2,041	$	491	$	56	$	917	$	625	$	1,336	$	436	$	86	$	172	$	1	$	9,132

Prior-year amounts have been adjusted for the adoption of accounting guidance on January 1, 2023 related to accounting for long-duration insurance contracts.

	2022
	Aflac Japan								Aflac U.S.
(In millions)	Cancer		Medical and Other Health		Life Insurance		Other		Accident		Disability		Critical Care		Hospital Indemnity		Dental/Vision		Life Insurance		Other		Total
Deferred policy acquisition costs:
Balance, beginning of year	$	3,464	$	2,372	$	595	$	51	$	887	$	604	$	1,270	$	399	$	90	$	115	$	1	$	9,848
Capitalization	291		161		33		12		147		117		160		80		11		40		0		1,052
Amortization expense	(188)		(112)		(35)		(3)		(130)		(108)		(126)		(61)		(13)		(20)		4		(792)
Foreign currency translation and   other	(532)		(260)		(68)		(5)		0		0		0		0		0		0		(4)		(869)
Balance, end of year	$	3,035	$	2,161	$	525	$	55	$	904	$	613	$	1,304	$	418	$	88	$	135	$	1	$	9,239

Prior-year amounts have been adjusted for the adoption of accounting guidance on January 1, 2023 related to accounting for long-duration insurance contracts.

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)	2023			2022			2021
Advertising expense:
Aflac Japan		$	58		$	77		$	91
Aflac U.S.		130			127			138
Total advertising expense		$	188		$	204		$	229

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)	2023			2022			2021
Depreciation expense		$	35		$	40		$	39
Other amortization expense		4			5			6
Total depreciation and other amortization expense		$	39		$	45		$	45