BUSINESS SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Three Months Ended March 31,
(In millions)	2013				2012
Revenues:
Aflac Japan:
Earned premiums		$	3,905			$	4,148
Net investment income		674				730
Other income		26				16
Total Aflac Japan		4,605				4,894
Aflac U.S.:
Earned premiums		1,280				1,231
Net investment income		157				152
Other income		1				2
Total Aflac U.S.		1,438				1,385
Other business segments		12				14
Total business segment revenues		6,055				6,293
Realized investment gains (losses)		156				(45		)
Corporate		92				68
Intercompany eliminations		(95		)		(76		)
Total revenues		$	6,208			$	6,240

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Three Months Ended March 31,
(In millions)	2013				2012
Pretax earnings:
Aflac Japan		$	989			$	1,040
Aflac U.S.		281				271
Total business segment pretax operating earnings		1,270				1,311
Interest expense, noninsurance operations		(48		)		(44		)
Corporate and eliminations		(17		)		(20		)
Pretax operating earnings		1,205				1,247
Realized investment gains (losses)		156				(45		)
Total earnings before income taxes		$	1,361			$	1,202
Income taxes applicable to pretax operating earnings		$	415			$	433
Effect of foreign currency translation on operating earnings		(71		)		20

Reconciliation of Assets from Segment to Consolidated

Assets were as follows:

(In millions)	March 31, 2013				December 31, 2012
Assets:
Aflac Japan		$	103,098			$	113,678
Aflac U.S.		16,130				16,122
Other business segments		152				154
Total business segment assets		119,380				129,954
Corporate		19,861				20,318
Intercompany eliminations		(18,703		)		(19,178		)
Total assets		$	120,538			$	131,094