REINSURANCE Effect of Reinsurance on Premiums and Benefits and Claims (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effects of Reinsurance [Line Items]
Direct premium income									$ 20,211
Reinsurance ceded									(76)
Net premium income	4,910	5,028	5,013	5,184	5,643	5,660	5,467	5,378	20,135	22,148	20,362
Direct benefits and claims									13,880
Ceded benefits and change in reserves for future benefits									(67)
Benefits and claims, net									$ 13,813	$ 15,330	$ 13,749