Schedule V Valuation and Qualifying Accounts Level 4 (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2009
Movement in Valuation allowance and reserves
Valuation allowance, deferred tax	$ 5	$ (2)	$ 0
Allowance for doubtful accounts and other [Member]
Movement in Valuation allowance and reserves
Balance January 1,	125	117		119
Charged to Costs and Expenses	(50)	(56)	(44)
Translation Adjustment	0	0
Write-offs/ Payments/ Other	(44)	(48)	(46)
Balance December 31,		125	117	119
Allowance for Doubtful Accounts, Premiums and Other Receivables	131	125	117
Allowance for uncollectible reinsurance [Member]
Movement in Valuation allowance and reserves
Balance January 1,	244	268		290
Charged to Costs and Expenses	(30)	(1)	(10)
Translation Adjustment	0	2	0
Write-offs/ Payments/ Other	(3)	(25)	(32)
Balance December 31,	271	244	268	290
Valuation allowance on mortgage loans [Member]
Movement in Valuation allowance and reserves
Balance January 1,	67	68		102
Charged to Costs and Expenses	(4)	(2)	(14)
Translation Adjustment	0	0
Write-offs/ Payments/ Other	(53)	(3)	(20)
Balance December 31,	18	67	68	102
Valuation allowance for deferred taxes [Member]
Movement in Valuation allowance and reserves
Balance January 1,	4	58		83
Valuation allowance, deferred tax		(2)	(25)
Translation Adjustment	0	0
Write-offs/ Payments/ Other	(172)	(52)	0
Balance December 31,	$ 181	$ 4	$ 58	$ 83