POLICY LIABILITIES - Changes in Liability for Unpaid Policy Claims (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Less claims paid during the year on claims incurred during:
Net balance, end of year	$ 3,763	$ 4,034
Add reinsurance recoverables	612
Total liability for unpaid policy claims	3,763	4,034	3,981
Health insurance
Liability for Unpaid Claims and Claims Expenses
Unpaid supplemental health claims, beginning of year	3,781	3,749	3,524
Less reinsurance recoverables	10	0	0
Net balance, beginning of year	3,771	3,749	3,524
Add claims incurred during the year related to:
Current year	7,215	8,013	7,703
Prior years	(236)	(173)	(256)
Total incurred	6,979	7,840	7,447
Less claims paid during the year on claims incurred during:
Current year	4,834	5,453	5,401
Prior years	1,931	2,082	1,944
Total paid	6,765	7,535	7,345
Effect of foreign exchange rate changes on unpaid claims	(457)	(283)	123
Net balance, end of year	3,528	3,771	3,749
Add reinsurance recoverables	9	10	0
Total liability for unpaid policy claims	3,537	3,781	3,749
Life insurance
Less claims paid during the year on claims incurred during:
Total liability for unpaid policy claims	$ 226	$ 253	$ 232