Schedule V - Valuation and Qualifying Accounts Level 4 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Valuation allowance on deferred tax asset [Member]
Movement in Valuation allowance and reserves
Balance, January 1		$ 0	$ 53
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount			0
Translation Adjustment			0
Write-offs/Payments/Other			(53)
Balance, December 31			0
Valuation allowance on mortgage loans [Member]
Movement in Valuation allowance and reserves
Balance, January 1	$ 15	12	14
Charged to Costs and Expenses	4	4	2
Translation Adjustment	0	0	0
Write-offs/Payments/Other	0	(1)	(4)
Balance, December 31	$ 19	$ 15	$ 12