LIABILITY FOR UNPAID CLAIMS AND CLAIMS ADJUSTMENT EXPENSE, FUTURE POLICY BENEFITS FOR LIFE AND ACCIDENT AND HEALTH INSURANCE CONTRACTS, AND POLICYHOLDER CONTRACT DEPOSITS (Details 4) (USD $) In Millions, unless otherwise specified			12 Months Ended													12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Life insurance	Dec. 31, 2013 Life insurance and A&H	Dec. 31, 2012 Life insurance and A&H	Dec. 31, 2013 Fixed Annuities	Dec. 31, 2012 Fixed Annuities	Dec. 31, 2013 Retirement Income Solutions	Dec. 31, 2012 Retirement Income Solutions	Dec. 31, 2013 Group Retirement	Dec. 31, 2012 Group Retirement	Dec. 31, 2013 Institutional Markets	Dec. 31, 2012 Institutional Markets	Dec. 31, 2013 All Other Institutional	Dec. 31, 2012 All Other Institutional	Dec. 31, 2013 Annuities	Dec. 31, 2013 Universal life products	Dec. 31, 2013 Guaranteed investment contracts	Dec. 31, 2013 Corporate life products
Policyholder Contract Deposits
Total policyholder contract deposits	$ 122,016	$ 122,980		$ 13,081	$ 12,201	$ 54,515	$ 55,985	$ 6,729	$ 5,451	$ 37,694	$ 36,778	$ 9,433	$ 12,056	$ 564	$ 509
Assumptions for liability for policyholder contract deposits
Interest rates credited on deferred annuities, low end of range (as a percent)																1.00%
Interest rates credited on deferred annuities, high end of range (as a percent)																8.40%
Period for interest rates credited on deferred annuities to remain in effect																1 year
Withdrawal charges, low end of range (as a percent)																0.00%
Withdrawal charges, high end of range (as a percent)																15.00%
Period in which withdrawal charges percentage grades to zero, low end of range																0 years
Period in which withdrawal charges percentage grades to zero, high end of range																20 years	20 years
Guaranteed investment contracts interest rate, low end of range (as a percent)																		0.30%
Guaranteed investment contracts interest rate, high end of range (as a percent)																		8.30%
Maximum term of maturity for majority of GICs																		7 years
Corporate life insurance guaranteed interest rate (as a percent)																			3.00%
Corporate life insurance weighted average rate (as a percent)																			4.40%
Universal life funds credited interest rate, low end of range (as a percent)																	1.00%
Universal life funds credited interest rate, high end of range (as a percent)																	8.00%
Universal life funds guaranteed rate, low end of range (as a percent)																	1.00%
Universal life funds guaranteed rate, high end of range (as a percent)																	5.50%
Surrender charges (as a percent)																	8.70%
Percentage of gross insurance in force			2.10%
Percentage of gross premiums and other consideration			3.70%