STATUTORY FINANCIAL DATA AND RESTRICTIONS (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Subsidiary Dividend Restrictions
Statutory capital and surplus of consolidated insurance subsidiaries companies restricted from transfer to parent	$ 45,800,000,000
New York
Subsidiary Dividend Restrictions
Dividend restrictions, as percentage of statutory policyholders' surplus	10.00%
Dividend restrictions, as percentage of adjusted net investment income, as defined	100.00%
Non-life insurance companies
Statutory capital and surplus and net income (loss)
Statutory net income	4,577,000,000	12,282,000,000	4,801,000,000
Statutory capital and surplus	40,738,000,000	39,707,000,000
Aggregate minimum required statutory capital and surplus	16,248,000,000	16,097,000,000
Increase (decrease) in the previously reported amount of statutory net income as a result of the finalization of statutory filings		1,100,000
Increase (decrease) in the previously reported amount of statutory surplus as a result of the finalization of statutory filings		557,000,000
Statutory gains related to legal simplification	8,000,000,000
Non-life insurance companies | Domestic
Statutory capital and surplus and net income (loss)
Statutory net income	3,377,000,000	11,440,000,000	3,701,000,000
Statutory capital and surplus	28,198,000,000	27,685,000,000
Aggregate minimum required statutory capital and surplus	7,101,000,000	7,019,000,000
Non-life insurance companies | Foreign
Statutory capital and surplus and net income (loss)
Statutory net income	1,200,000,000	842,000,000	1,100,000,000
Statutory capital and surplus	12,540,000,000	12,022,000,000
Aggregate minimum required statutory capital and surplus	9,147,000,000	9,078,000,000
Life insurance companies
Statutory capital and surplus and net income (loss)
Statutory net income	2,681,000,000	5,038,000,000	3,818,000,000
Statutory capital and surplus	9,079,000,000	15,167,000,000
Aggregate minimum required statutory capital and surplus	3,867,000,000	4,332,000,000
Increase (decrease) in the previously reported amount of statutory net income as a result of the finalization of statutory filings		1,300,000,000
Increase (decrease) in the previously reported amount of statutory surplus as a result of the finalization of statutory filings		709,000,000
Life insurance companies | Domestic
Statutory capital and surplus and net income (loss)
Statutory net income	2,690,000,000	5,047,000,000	3,827,000,000
Statutory capital and surplus	8,642,000,000	15,038,000,000
Aggregate minimum required statutory capital and surplus	3,821,000,000	4,287,000,000
Life insurance companies | Foreign
Statutory capital and surplus and net income (loss)
Statutory net income	(9,000,000)	(9,000,000)	(9,000,000)
Statutory capital and surplus	437,000,000	129,000,000
Aggregate minimum required statutory capital and surplus	$ 46,000,000	$ 45,000,000