SCHEDULE V - VALUATION ALLOWANCES AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for reinsurance recoverables
Valuation allowances and qualifying accounts
Balance as of beginning of period	$ 95	$ 92	$ 87
Additions charged to costs and expenses	(15)	3	8
Deductions	0	0	3
Balance as of end of period	80	95	92
Allowance for premium installment receivable
Valuation allowances and qualifying accounts
Balance as of beginning of period	83	77	70
Additions charged to costs and expenses	107	99	96
Deductions	100	93	89
Balance as of end of period	90	83	77
Allowance for deferred tax assets
Valuation allowances and qualifying accounts
Balance as of beginning of period	0	0	0
Additions charged to costs and expenses	0	0	0
Deductions	0	0	0
Balance as of end of period	0	0	0
Allowance for estimated losses on mortgage loans
Valuation allowances and qualifying accounts
Balance as of beginning of period	8	21	42
Additions charged to costs and expenses	(4)	(5)	(11)
Deductions	1	8	10
Balance as of end of period	$ 3	$ 8	$ 21