Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 479	[1]	$ 691	[2]	$ 937
Other Comprehensive Income (Loss), Net of Tax, Changes In:
Net unrealized gains (losses) on investments with other-than-temporary impairments	(9)		15		6
Net unrealized gains (losses) on other investments	(552)		267		(679)
Net unrealized gains (losses) on investments	(561)		282		(673)
Net unrealized losses on discontinued operations	0		(22)		0
Foreign currency translation adjustment	(139)		(95)		(11)
Pension and postretirement benefits	(15)		(207)		295
Other comprehensive income (loss), net of tax	(715)		(42)		(389)
Total comprehensive income (loss)	$ (236)		$ 649		$ 548

[1] Net income in the fourth quarter of 2015 included a charge related to recognition of a premium deficiency in our long term care business.

[2] Net income in the first quarter of 2014 included the impairment loss on the sale of CAC.