SCHEDULE III - SUPPLEMENTARY INSURANCE INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	$ 4,469	$ 4,271	$ 3,874
Policyholders’ Account Balances	33,033	31,848	30,340
Future Policy Benefits and other Policyholders’ Funds	24,531	23,484	21,697
Policy Charges And Premium Revenue	4,062	3,989	4,042
Net Investment Income (Loss)	1,976	3,815	(629)
Policyholders’ Benefits and Interest Credited	3,777	4,894	3,064
Amortization of Deferred Policy Acquisition Costs	284	215	580
Other Operating Expense	4,108	4,416	4,505
Consolidation/ Elimination
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	0	0	0
Policyholders’ Account Balances	0	0	0
Future Policy Benefits and other Policyholders’ Funds	0	0	0
Policy Charges And Premium Revenue	0	0	0
Net Investment Income (Loss)	45	40	37
Policyholders’ Benefits and Interest Credited	0	0	0
Amortization of Deferred Policy Acquisition Costs	0	0	0
Other Operating Expense	(27)	(27)	(20)
Insurance
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	4,469	4,271	3,874
Policyholders’ Account Balances	33,033	31,848	30,340
Future Policy Benefits and other Policyholders’ Funds	24,531	23,484	21,697
Policy Charges And Premium Revenue	4,062	3,989	4,042
Net Investment Income (Loss)	1,898	3,760	(724)
Policyholders’ Benefits and Interest Credited	3,777	4,894	3,064
Amortization of Deferred Policy Acquisition Costs	284	215	580
Other Operating Expense	1,728	2,035	2,174
Investment Management
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	0	0	0
Policyholders’ Account Balances	0	0	0
Future Policy Benefits and other Policyholders’ Funds	0	0	0
Policy Charges And Premium Revenue	0	0	0
Net Investment Income (Loss)	33	15	58
Policyholders’ Benefits and Interest Credited	0	0	0
Amortization of Deferred Policy Acquisition Costs	0	0	0
Other Operating Expense	$ 2,407	$ 2,408	$ 2,351