SCHEDULE IV - REINSURANCE (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Life insurance in force
Life insurance in force, Gross amount	$ 528,473	$ 521,209	$ 519,639
Life insurance in force, Ceded to other companies	196,274	209,874	222,379
Life insurance in force, Assumed from other companies	14,003	14,834	9,137
Life insurance in force, Net amount	346,202	326,169	306,397
Life insurance in force, Percentage of amount assumed to net	4.00%	4.50%	3.00%
Premiums and contract charges
Premiums and contract charges, Goss amount	31,547	30,654	29,969
Premiums and contract charges, Ceded to other companies	1,708	1,764	1,848
Premiums and contract charges, Assumed from other companies	131	88	59
Premiums and contract charges, Net amount	29,970	28,978	28,180
Premiums and contract charges, Percentage of amount assumed to net	0.40%	0.30%	0.20%
Reinsurance or coinsurance income net of premium ceded	0	0	0
Life insurance
Premiums and contract charges
Premiums and contract charges, Goss amount	2,088	2,089	2,177
Premiums and contract charges, Ceded to other companies	538	556	617
Premiums and contract charges, Assumed from other companies	82	55	35
Premiums and contract charges, Net amount	1,632	1,588	1,595
Premiums and contract charges, Percentage of amount assumed to net	5.00%	3.50%	2.20%
Accident and health insurance
Premiums and contract charges
Premiums and contract charges, Goss amount	821	771	776
Premiums and contract charges, Ceded to other companies	101	118	133
Premiums and contract charges, Net amount	720	653	643
Property-liability insurance
Premiums and contract charges
Premiums and contract charges, Goss amount	28,638	27,794	27,016
Premiums and contract charges, Ceded to other companies	1,069	1,090	1,098
Premiums and contract charges, Assumed from other companies	49	33	24
Premiums and contract charges, Net amount	$ 27,618	$ 26,737	$ 25,942
Premiums and contract charges, Percentage of amount assumed to net	0.20%	0.10%	0.10%